diff options
Diffstat (limited to 'drivers/ata')
65 files changed, 793 insertions, 563 deletions
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig index e68541f..aa85a98 100644 --- a/drivers/ata/Kconfig +++ b/drivers/ata/Kconfig @@ -57,6 +57,8 @@ config SATA_PMP This option adds support for SATA Port Multipliers (the SATA version of an ethernet hub, or SAS expander). +comment "Controllers with non-SFF native interface" + config SATA_AHCI tristate "AHCI SATA support" depends on PCI @@ -73,11 +75,12 @@ config SATA_AHCI_PLATFORM If unsure, say N. -config SATA_SIL24 - tristate "Silicon Image 3124/3132 SATA support" - depends on PCI +config SATA_FSL + tristate "Freescale 3.0Gbps SATA support" + depends on FSL_SOC help - This option enables support for Silicon Image 3124/3132 Serial ATA. + This option enables support for Freescale 3.0Gbps SATA controller. + It can be found on MPC837x and MPC8315. If unsure, say N. @@ -87,12 +90,11 @@ config SATA_INIC162X help This option enables support for Initio 162x Serial ATA. -config SATA_FSL - tristate "Freescale 3.0Gbps SATA support" - depends on FSL_SOC +config SATA_SIL24 + tristate "Silicon Image 3124/3132 SATA support" + depends on PCI help - This option enables support for Freescale 3.0Gbps SATA controller. - It can be found on MPC837x and MPC8315. + This option enables support for Silicon Image 3124/3132 Serial ATA. If unsure, say N. @@ -116,15 +118,65 @@ config ATA_SFF if ATA_SFF -config SATA_SVW - tristate "ServerWorks Frodo / Apple K2 SATA support" +comment "SFF controllers with custom DMA interface" + +config PDC_ADMA + tristate "Pacific Digital ADMA support" depends on PCI help - This option enables support for Broadcom/Serverworks/Apple K2 - SATA support. + This option enables support for Pacific Digital ADMA controllers + + If unsure, say N. + +config PATA_MPC52xx + tristate "Freescale MPC52xx SoC internal IDE" + depends on PPC_MPC52xx && PPC_BESTCOMM + select PPC_BESTCOMM_ATA + help + This option enables support for integrated IDE controller + of the Freescale MPC52xx SoC. + + If unsure, say N. + +config PATA_OCTEON_CF + tristate "OCTEON Boot Bus Compact Flash support" + depends on CPU_CAVIUM_OCTEON + help + This option enables a polled compact flash driver for use with + compact flash cards attached to the OCTEON boot bus. + + If unsure, say N. + +config SATA_QSTOR + tristate "Pacific Digital SATA QStor support" + depends on PCI + help + This option enables support for Pacific Digital Serial ATA QStor. + + If unsure, say N. + +config SATA_SX4 + tristate "Promise SATA SX4 support (Experimental)" + depends on PCI && EXPERIMENTAL + help + This option enables support for Promise Serial ATA SX4. If unsure, say N. +config ATA_BMDMA + bool "ATA BMDMA support" + default y + help + This option adds support for SFF ATA controllers with BMDMA + capability. BMDMA stands for bus-master DMA and is the + de facto DMA interface for SFF controllers. + + If unsure, say Y. + +if ATA_BMDMA + +comment "SATA SFF controllers with BMDMA" + config ATA_PIIX tristate "Intel ESB, ICH, PIIX3, PIIX4 PATA/SATA support" depends on PCI @@ -152,22 +204,6 @@ config SATA_NV If unsure, say N. -config PDC_ADMA - tristate "Pacific Digital ADMA support" - depends on PCI - help - This option enables support for Pacific Digital ADMA controllers - - If unsure, say N. - -config SATA_QSTOR - tristate "Pacific Digital SATA QStor support" - depends on PCI - help - This option enables support for Pacific Digital Serial ATA QStor. - - If unsure, say N. - config SATA_PROMISE tristate "Promise SATA TX2/TX4 support" depends on PCI @@ -176,14 +212,6 @@ config SATA_PROMISE If unsure, say N. -config SATA_SX4 - tristate "Promise SATA SX4 support (Experimental)" - depends on PCI && EXPERIMENTAL - help - This option enables support for Promise Serial ATA SX4. - - If unsure, say N. - config SATA_SIL tristate "Silicon Image SATA support" depends on PCI @@ -203,6 +231,15 @@ config SATA_SIS enable the PATA_SIS driver in the config. If unsure, say N. +config SATA_SVW + tristate "ServerWorks Frodo / Apple K2 SATA support" + depends on PCI + help + This option enables support for Broadcom/Serverworks/Apple K2 + SATA support. + + If unsure, say N. + config SATA_ULI tristate "ULi Electronics SATA support" depends on PCI @@ -227,14 +264,7 @@ config SATA_VITESSE If unsure, say N. -config PATA_ACPI - tristate "ACPI firmware driver for PATA" - depends on ATA_ACPI - help - This option enables an ACPI method driver which drives - motherboard PATA controller interfaces through the ACPI - firmware in the BIOS. This driver can sometimes handle - otherwise unsupported hardware. +comment "PATA SFF controllers with BMDMA" config PATA_ALI tristate "ALi PATA support" @@ -262,40 +292,30 @@ config PATA_ARTOP If unsure, say N. -config PATA_ATP867X - tristate "ARTOP/Acard ATP867X PATA support" +config PATA_ATIIXP + tristate "ATI PATA support" depends on PCI help - This option enables support for ARTOP/Acard ATP867X PATA - controllers. - - If unsure, say N. - -config PATA_AT32 - tristate "Atmel AVR32 PATA support (Experimental)" - depends on AVR32 && PLATFORM_AT32AP && EXPERIMENTAL - help - This option enables support for the IDE devices on the - Atmel AT32AP platform. + This option enables support for the ATI ATA interfaces + found on the many ATI chipsets. If unsure, say N. -config PATA_ATIIXP - tristate "ATI PATA support" +config PATA_ATP867X + tristate "ARTOP/Acard ATP867X PATA support" depends on PCI help - This option enables support for the ATI ATA interfaces - found on the many ATI chipsets. + This option enables support for ARTOP/Acard ATP867X PATA + controllers. If unsure, say N. -config PATA_CMD640_PCI - tristate "CMD640 PCI PATA support (Experimental)" - depends on PCI && EXPERIMENTAL +config PATA_BF54X + tristate "Blackfin 54x ATAPI support" + depends on BF542 || BF548 || BF549 help - This option enables support for the CMD640 PCI IDE - interface chip. Only the primary channel is currently - supported. + This option enables support for the built-in ATAPI controller on + Blackfin 54x family chips. If unsure, say N. @@ -362,15 +382,6 @@ config PATA_EFAR If unsure, say N. -config ATA_GENERIC - tristate "Generic ATA support" - depends on PCI - help - This option enables support for generic BIOS configured - ATA controllers via the new ATA layer - - If unsure, say N. - config PATA_HPT366 tristate "HPT 366/368 PATA support" depends on PCI @@ -415,12 +426,20 @@ config PATA_HPT3X3_DMA controllers. Enable with care as there are still some problems with DMA on this chipset. -config PATA_ISAPNP - tristate "ISA Plug and Play PATA support" - depends on ISAPNP +config PATA_ICSIDE + tristate "Acorn ICS PATA support" + depends on ARM && ARCH_ACORN help - This option enables support for ISA plug & play ATA - controllers such as those found on old soundcards. + On Acorn systems, say Y here if you wish to use the ICS PATA + interface card. This is not required for ICS partition support. + If you are unsure, say N to this. + +config PATA_IT8213 + tristate "IT8213 PATA support (Experimental)" + depends on PCI && EXPERIMENTAL + help + This option enables support for the ITE 821 PATA + controllers via the new ATA layer. If unsure, say N. @@ -434,15 +453,6 @@ config PATA_IT821X If unsure, say N. -config PATA_IT8213 - tristate "IT8213 PATA support (Experimental)" - depends on PCI && EXPERIMENTAL - help - This option enables support for the ITE 821 PATA - controllers via the new ATA layer. - - If unsure, say N. - config PATA_JMICRON tristate "JMicron PATA support" depends on PCI @@ -452,23 +462,14 @@ config PATA_JMICRON If unsure, say N. -config PATA_LEGACY - tristate "Legacy ISA PATA support (Experimental)" - depends on (ISA || PCI) && EXPERIMENTAL - help - This option enables support for ISA/VLB/PCI bus legacy PATA - ports and allows them to be accessed via the new ATA layer. - - If unsure, say N. - -config PATA_TRIFLEX - tristate "Compaq Triflex PATA support" - depends on PCI +config PATA_MACIO + tristate "Apple PowerMac/PowerBook internal 'MacIO' IDE" + depends on PPC_PMAC help - Enable support for the Compaq 'Triflex' IDE controller as found - on many Compaq Pentium-Pro systems, via the new ATA layer. - - If unsure, say N. + Most IDE capable PowerMacs have IDE busses driven by a variant + of this controller which is part of the Apple chipset used on + most PowerMac models. Some models have multiple busses using + different chipsets, though generally, MacIO is one of them. config PATA_MARVELL tristate "Marvell PATA support via legacy mode" @@ -481,32 +482,6 @@ config PATA_MARVELL If unsure, say N. -config PATA_MPC52xx - tristate "Freescale MPC52xx SoC internal IDE" - depends on PPC_MPC52xx && PPC_BESTCOMM - select PPC_BESTCOMM_ATA - help - This option enables support for integrated IDE controller - of the Freescale MPC52xx SoC. - - If unsure, say N. - -config PATA_MPIIX - tristate "Intel PATA MPIIX support" - depends on PCI - help - This option enables support for MPIIX PATA support. - - If unsure, say N. - -config PATA_OLDPIIX - tristate "Intel PATA old PIIX support" - depends on PCI - help - This option enables support for early PIIX PATA support. - - If unsure, say N. - config PATA_NETCELL tristate "NETCELL Revolution RAID support" depends on PCI @@ -525,15 +500,6 @@ config PATA_NINJA32 If unsure, say N. -config PATA_NS87410 - tristate "Nat Semi NS87410 PATA support" - depends on PCI - help - This option enables support for the National Semiconductor - NS87410 PCI-IDE controller. - - If unsure, say N. - config PATA_NS87415 tristate "Nat Semi NS87415 PATA support" depends on PCI @@ -543,12 +509,11 @@ config PATA_NS87415 If unsure, say N. -config PATA_OPTI - tristate "OPTI621/6215 PATA support (Very Experimental)" - depends on PCI && EXPERIMENTAL +config PATA_OLDPIIX + tristate "Intel PATA old PIIX support" + depends on PCI help - This option enables full PIO support for the early Opti ATA - controllers found on some old motherboards. + This option enables support for early PIIX PATA support. If unsure, say N. @@ -562,24 +527,6 @@ config PATA_OPTIDMA If unsure, say N. -config PATA_PALMLD - tristate "Palm LifeDrive PATA support" - depends on MACH_PALMLD - help - This option enables support for Palm LifeDrive's internal ATA - port via the new ATA layer. - - If unsure, say N. - -config PATA_PCMCIA - tristate "PCMCIA PATA support" - depends on PCMCIA - help - This option enables support for PCMCIA ATA interfaces, including - compact flash card adapters via the new ATA layer. - - If unsure, say N. - config PATA_PDC2027X tristate "Promise PATA 2027x support" depends on PCI @@ -597,12 +544,6 @@ config PATA_PDC_OLD If unsure, say N. -config PATA_QDI - tristate "QDI VLB PATA support" - depends on ISA - help - Support for QDI 6500 and 6580 PATA controllers on VESA local bus. - config PATA_RADISYS tristate "RADISYS 82600 PATA support (Experimental)" depends on PCI && EXPERIMENTAL @@ -612,15 +553,6 @@ config PATA_RADISYS If unsure, say N. -config PATA_RB532 - tristate "RouterBoard 532 PATA CompactFlash support" - depends on MIKROTIK_RB532 - help - This option enables support for the RouterBoard 532 - PATA CompactFlash controller. - - If unsure, say N. - config PATA_RDC tristate "RDC PATA support" depends on PCI @@ -631,21 +563,30 @@ config PATA_RDC If unsure, say N. -config PATA_RZ1000 - tristate "PC Tech RZ1000 PATA support" +config PATA_SC1200 + tristate "SC1200 PATA support" depends on PCI help - This option enables basic support for the PC Tech RZ1000/1 - PATA controllers via the new ATA layer + This option enables support for the NatSemi/AMD SC1200 SoC + companion chip used with the Geode processor family. If unsure, say N. -config PATA_SC1200 - tristate "SC1200 PATA support" +config PATA_SCC + tristate "Toshiba's Cell Reference Set IDE support" + depends on PCI && PPC_CELLEB + help + This option enables support for the built-in IDE controller on + Toshiba Cell Reference Board. + + If unsure, say N. + +config PATA_SCH + tristate "Intel SCH PATA support" depends on PCI help - This option enables support for the NatSemi/AMD SC1200 SoC - companion chip used with the Geode processor family. + This option enables support for Intel SCH PATA on the Intel + SCH (US15W, US15L, UL11L) series host controllers. If unsure, say N. @@ -683,6 +624,15 @@ config PATA_TOSHIBA If unsure, say N. +config PATA_TRIFLEX + tristate "Compaq Triflex PATA support" + depends on PCI + help + Enable support for the Compaq 'Triflex' IDE controller as found + on many Compaq Pentium-Pro systems, via the new ATA layer. + + If unsure, say N. + config PATA_VIA tristate "VIA PATA support" depends on PCI @@ -701,12 +651,99 @@ config PATA_WINBOND If unsure, say N. -config PATA_WINBOND_VLB - tristate "Winbond W83759A VLB PATA support (Experimental)" - depends on ISA && EXPERIMENTAL +endif # ATA_BMDMA + +comment "PIO-only SFF controllers" + +config PATA_AT32 + tristate "Atmel AVR32 PATA support (Experimental)" + depends on AVR32 && PLATFORM_AT32AP && EXPERIMENTAL help - Support for the Winbond W83759A controller on Vesa Local Bus - systems. + This option enables support for the IDE devices on the + Atmel AT32AP platform. + + If unsure, say N. + +config PATA_AT91 + tristate "PATA support for AT91SAM9260" + depends on ARM && ARCH_AT91 + help + This option enables support for IDE devices on the Atmel AT91SAM9260 SoC. + + If unsure, say N. + +config PATA_CMD640_PCI + tristate "CMD640 PCI PATA support (Experimental)" + depends on PCI && EXPERIMENTAL + help + This option enables support for the CMD640 PCI IDE + interface chip. Only the primary channel is currently + supported. + + If unsure, say N. + +config PATA_ISAPNP + tristate "ISA Plug and Play PATA support" + depends on ISAPNP + help + This option enables support for ISA plug & play ATA + controllers such as those found on old soundcards. + + If unsure, say N. + +config PATA_IXP4XX_CF + tristate "IXP4XX Compact Flash support" + depends on ARCH_IXP4XX + help + This option enables support for a Compact Flash connected on + the ixp4xx expansion bus. This driver had been written for + Loft/Avila boards in mind but can work with others. + + If unsure, say N. + +config PATA_MPIIX + tristate "Intel PATA MPIIX support" + depends on PCI + help + This option enables support for MPIIX PATA support. + + If unsure, say N. + +config PATA_NS87410 + tristate "Nat Semi NS87410 PATA support" + depends on PCI + help + This option enables support for the National Semiconductor + NS87410 PCI-IDE controller. + + If unsure, say N. + +config PATA_OPTI + tristate "OPTI621/6215 PATA support (Very Experimental)" + depends on PCI && EXPERIMENTAL + help + This option enables full PIO support for the early Opti ATA + controllers found on some old motherboards. + + If unsure, say N. + +config PATA_PALMLD + tristate "Palm LifeDrive PATA support" + depends on MACH_PALMLD + help + This option enables support for Palm LifeDrive's internal ATA + port via the new ATA layer. + + If unsure, say N. + +config PATA_PCMCIA + tristate "PCMCIA PATA support" + depends on PCMCIA + help + This option enables support for PCMCIA ATA interfaces, including + compact flash card adapters via the new ATA layer. + + If unsure, say N. config HAVE_PATA_PLATFORM bool @@ -725,14 +762,6 @@ config PATA_PLATFORM If unsure, say N. -config PATA_AT91 - tristate "PATA support for AT91SAM9260" - depends on ARM && ARCH_AT91 - help - This option enables support for IDE devices on the Atmel AT91SAM9260 SoC. - - If unsure, say N. - config PATA_OF_PLATFORM tristate "OpenFirmware platform device PATA support" depends on PATA_PLATFORM && PPC_OF @@ -743,69 +772,65 @@ config PATA_OF_PLATFORM If unsure, say N. -config PATA_ICSIDE - tristate "Acorn ICS PATA support" - depends on ARM && ARCH_ACORN +config PATA_QDI + tristate "QDI VLB PATA support" + depends on ISA help - On Acorn systems, say Y here if you wish to use the ICS PATA - interface card. This is not required for ICS partition support. - If you are unsure, say N to this. + Support for QDI 6500 and 6580 PATA controllers on VESA local bus. -config PATA_IXP4XX_CF - tristate "IXP4XX Compact Flash support" - depends on ARCH_IXP4XX +config PATA_RB532 + tristate "RouterBoard 532 PATA CompactFlash support" + depends on MIKROTIK_RB532 help - This option enables support for a Compact Flash connected on - the ixp4xx expansion bus. This driver had been written for - Loft/Avila boards in mind but can work with others. + This option enables support for the RouterBoard 532 + PATA CompactFlash controller. If unsure, say N. -config PATA_OCTEON_CF - tristate "OCTEON Boot Bus Compact Flash support" - depends on CPU_CAVIUM_OCTEON +config PATA_RZ1000 + tristate "PC Tech RZ1000 PATA support" + depends on PCI help - This option enables a polled compact flash driver for use with - compact flash cards attached to the OCTEON boot bus. + This option enables basic support for the PC Tech RZ1000/1 + PATA controllers via the new ATA layer If unsure, say N. -config PATA_SCC - tristate "Toshiba's Cell Reference Set IDE support" - depends on PCI && PPC_CELLEB +config PATA_WINBOND_VLB + tristate "Winbond W83759A VLB PATA support (Experimental)" + depends on ISA && EXPERIMENTAL help - This option enables support for the built-in IDE controller on - Toshiba Cell Reference Board. + Support for the Winbond W83759A controller on Vesa Local Bus + systems. - If unsure, say N. +comment "Generic fallback / legacy drivers" -config PATA_SCH - tristate "Intel SCH PATA support" - depends on PCI +config PATA_ACPI + tristate "ACPI firmware driver for PATA" + depends on ATA_ACPI && ATA_BMDMA help - This option enables support for Intel SCH PATA on the Intel - SCH (US15W, US15L, UL11L) series host controllers. - - If unsure, say N. + This option enables an ACPI method driver which drives + motherboard PATA controller interfaces through the ACPI + firmware in the BIOS. This driver can sometimes handle + otherwise unsupported hardware. -config PATA_BF54X - tristate "Blackfin 54x ATAPI support" - depends on BF542 || BF548 || BF549 +config ATA_GENERIC + tristate "Generic ATA support" + depends on PCI && ATA_BMDMA help - This option enables support for the built-in ATAPI controller on - Blackfin 54x family chips. + This option enables support for generic BIOS configured + ATA controllers via the new ATA layer If unsure, say N. -config PATA_MACIO - tristate "Apple PowerMac/PowerBook internal 'MacIO' IDE" - depends on PPC_PMAC +config PATA_LEGACY + tristate "Legacy ISA PATA support (Experimental)" + depends on (ISA || PCI) && EXPERIMENTAL help - Most IDE capable PowerMacs have IDE busses driven by a variant - of this controller which is part of the Apple chipset used on - most PowerMac models. Some models have multiple busses using - different chipsets, though generally, MacIO is one of them. + This option enables support for ISA/VLB/PCI bus legacy PATA + ports and allows them to be accessed via the new ATA layer. + If unsure, say N. endif # ATA_SFF endif # ATA diff --git a/drivers/ata/Makefile b/drivers/ata/Makefile index d0a93c4..7ef89d7 100644 --- a/drivers/ata/Makefile +++ b/drivers/ata/Makefile @@ -1,33 +1,39 @@ obj-$(CONFIG_ATA) += libata.o +# non-SFF interface obj-$(CONFIG_SATA_AHCI) += ahci.o libahci.o obj-$(CONFIG_SATA_AHCI_PLATFORM) += ahci_platform.o libahci.o -obj-$(CONFIG_SATA_SVW) += sata_svw.o +obj-$(CONFIG_SATA_FSL) += sata_fsl.o +obj-$(CONFIG_SATA_INIC162X) += sata_inic162x.o +obj-$(CONFIG_SATA_SIL24) += sata_sil24.o + +# SFF w/ custom DMA +obj-$(CONFIG_PDC_ADMA) += pdc_adma.o +obj-$(CONFIG_PATA_MPC52xx) += pata_mpc52xx.o +obj-$(CONFIG_PATA_OCTEON_CF) += pata_octeon_cf.o +obj-$(CONFIG_SATA_QSTOR) += sata_qstor.o +obj-$(CONFIG_SATA_SX4) += sata_sx4.o + +# SFF SATA w/ BMDMA obj-$(CONFIG_ATA_PIIX) += ata_piix.o +obj-$(CONFIG_SATA_MV) += sata_mv.o +obj-$(CONFIG_SATA_NV) += sata_nv.o obj-$(CONFIG_SATA_PROMISE) += sata_promise.o -obj-$(CONFIG_SATA_QSTOR) += sata_qstor.o obj-$(CONFIG_SATA_SIL) += sata_sil.o -obj-$(CONFIG_SATA_SIL24) += sata_sil24.o -obj-$(CONFIG_SATA_VIA) += sata_via.o -obj-$(CONFIG_SATA_VITESSE) += sata_vsc.o obj-$(CONFIG_SATA_SIS) += sata_sis.o -obj-$(CONFIG_SATA_SX4) += sata_sx4.o -obj-$(CONFIG_SATA_NV) += sata_nv.o +obj-$(CONFIG_SATA_SVW) += sata_svw.o obj-$(CONFIG_SATA_ULI) += sata_uli.o -obj-$(CONFIG_SATA_MV) += sata_mv.o -obj-$(CONFIG_SATA_INIC162X) += sata_inic162x.o -obj-$(CONFIG_PDC_ADMA) += pdc_adma.o -obj-$(CONFIG_SATA_FSL) += sata_fsl.o -obj-$(CONFIG_PATA_MACIO) += pata_macio.o +obj-$(CONFIG_SATA_VIA) += sata_via.o +obj-$(CONFIG_SATA_VITESSE) += sata_vsc.o +# SFF PATA w/ BMDMA obj-$(CONFIG_PATA_ALI) += pata_ali.o obj-$(CONFIG_PATA_AMD) += pata_amd.o obj-$(CONFIG_PATA_ARTOP) += pata_artop.o -obj-$(CONFIG_PATA_ATP867X) += pata_atp867x.o -obj-$(CONFIG_PATA_AT32) += pata_at32.o obj-$(CONFIG_PATA_ATIIXP) += pata_atiixp.o -obj-$(CONFIG_PATA_CMD640_PCI) += pata_cmd640.o +obj-$(CONFIG_PATA_ATP867X) += pata_atp867x.o +obj-$(CONFIG_PATA_BF54X) += pata_bf54x.o obj-$(CONFIG_PATA_CMD64X) += pata_cmd64x.o obj-$(CONFIG_PATA_CS5520) += pata_cs5520.o obj-$(CONFIG_PATA_CS5530) += pata_cs5530.o @@ -39,47 +45,50 @@ obj-$(CONFIG_PATA_HPT366) += pata_hpt366.o obj-$(CONFIG_PATA_HPT37X) += pata_hpt37x.o obj-$(CONFIG_PATA_HPT3X2N) += pata_hpt3x2n.o obj-$(CONFIG_PATA_HPT3X3) += pata_hpt3x3.o -obj-$(CONFIG_PATA_ISAPNP) += pata_isapnp.o -obj-$(CONFIG_PATA_IT821X) += pata_it821x.o +obj-$(CONFIG_PATA_ICSIDE) += pata_icside.o obj-$(CONFIG_PATA_IT8213) += pata_it8213.o +obj-$(CONFIG_PATA_IT821X) += pata_it821x.o obj-$(CONFIG_PATA_JMICRON) += pata_jmicron.o +obj-$(CONFIG_PATA_MACIO) += pata_macio.o +obj-$(CONFIG_PATA_MARVELL) += pata_marvell.o obj-$(CONFIG_PATA_NETCELL) += pata_netcell.o obj-$(CONFIG_PATA_NINJA32) += pata_ninja32.o -obj-$(CONFIG_PATA_NS87410) += pata_ns87410.o obj-$(CONFIG_PATA_NS87415) += pata_ns87415.o -obj-$(CONFIG_PATA_OPTI) += pata_opti.o -obj-$(CONFIG_PATA_OPTIDMA) += pata_optidma.o -obj-$(CONFIG_PATA_MPC52xx) += pata_mpc52xx.o -obj-$(CONFIG_PATA_MARVELL) += pata_marvell.o -obj-$(CONFIG_PATA_MPIIX) += pata_mpiix.o obj-$(CONFIG_PATA_OLDPIIX) += pata_oldpiix.o -obj-$(CONFIG_PATA_PALMLD) += pata_palmld.o -obj-$(CONFIG_PATA_PCMCIA) += pata_pcmcia.o +obj-$(CONFIG_PATA_OPTIDMA) += pata_optidma.o obj-$(CONFIG_PATA_PDC2027X) += pata_pdc2027x.o obj-$(CONFIG_PATA_PDC_OLD) += pata_pdc202xx_old.o -obj-$(CONFIG_PATA_QDI) += pata_qdi.o obj-$(CONFIG_PATA_RADISYS) += pata_radisys.o -obj-$(CONFIG_PATA_RB532) += pata_rb532_cf.o obj-$(CONFIG_PATA_RDC) += pata_rdc.o -obj-$(CONFIG_PATA_RZ1000) += pata_rz1000.o obj-$(CONFIG_PATA_SC1200) += pata_sc1200.o +obj-$(CONFIG_PATA_SCC) += pata_scc.o +obj-$(CONFIG_PATA_SCH) += pata_sch.o obj-$(CONFIG_PATA_SERVERWORKS) += pata_serverworks.o obj-$(CONFIG_PATA_SIL680) += pata_sil680.o +obj-$(CONFIG_PATA_SIS) += pata_sis.o obj-$(CONFIG_PATA_TOSHIBA) += pata_piccolo.o +obj-$(CONFIG_PATA_TRIFLEX) += pata_triflex.o obj-$(CONFIG_PATA_VIA) += pata_via.o obj-$(CONFIG_PATA_WINBOND) += pata_sl82c105.o -obj-$(CONFIG_PATA_WINBOND_VLB) += pata_winbond.o -obj-$(CONFIG_PATA_SIS) += pata_sis.o -obj-$(CONFIG_PATA_TRIFLEX) += pata_triflex.o + +# SFF PIO only +obj-$(CONFIG_PATA_AT32) += pata_at32.o +obj-$(CONFIG_PATA_AT91) += pata_at91.o +obj-$(CONFIG_PATA_CMD640_PCI) += pata_cmd640.o +obj-$(CONFIG_PATA_ISAPNP) += pata_isapnp.o obj-$(CONFIG_PATA_IXP4XX_CF) += pata_ixp4xx_cf.o -obj-$(CONFIG_PATA_SCC) += pata_scc.o -obj-$(CONFIG_PATA_SCH) += pata_sch.o -obj-$(CONFIG_PATA_BF54X) += pata_bf54x.o -obj-$(CONFIG_PATA_OCTEON_CF) += pata_octeon_cf.o +obj-$(CONFIG_PATA_MPIIX) += pata_mpiix.o +obj-$(CONFIG_PATA_NS87410) += pata_ns87410.o +obj-$(CONFIG_PATA_OPTI) += pata_opti.o +obj-$(CONFIG_PATA_PCMCIA) += pata_pcmcia.o +obj-$(CONFIG_PATA_PALMLD) += pata_palmld.o obj-$(CONFIG_PATA_PLATFORM) += pata_platform.o -obj-$(CONFIG_PATA_AT91) += pata_at91.o obj-$(CONFIG_PATA_OF_PLATFORM) += pata_of_platform.o -obj-$(CONFIG_PATA_ICSIDE) += pata_icside.o +obj-$(CONFIG_PATA_QDI) += pata_qdi.o +obj-$(CONFIG_PATA_RB532) += pata_rb532_cf.o +obj-$(CONFIG_PATA_RZ1000) += pata_rz1000.o +obj-$(CONFIG_PATA_WINBOND_VLB) += pata_winbond.o + # Should be last but two libata driver obj-$(CONFIG_PATA_ACPI) += pata_acpi.o # Should be last but one libata driver diff --git a/drivers/ata/ata_generic.c b/drivers/ata/ata_generic.c index 33fb614..573158a 100644 --- a/drivers/ata/ata_generic.c +++ b/drivers/ata/ata_generic.c @@ -155,7 +155,7 @@ static int ata_generic_init_one(struct pci_dev *dev, const struct pci_device_id return rc; pcim_pin_device(dev); } - return ata_pci_sff_init_one(dev, ppi, &generic_sht, NULL, 0); + return ata_pci_bmdma_init_one(dev, ppi, &generic_sht, NULL, 0); } static struct pci_device_id ata_generic[] = { diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c index ec52fc6..7409f98 100644 --- a/drivers/ata/ata_piix.c +++ b/drivers/ata/ata_piix.c @@ -1589,7 +1589,7 @@ static int __devinit piix_init_one(struct pci_dev *pdev, hpriv->map = piix_init_sata_map(pdev, port_info, piix_map_db_table[ent->driver_data]); - rc = ata_pci_sff_prepare_host(pdev, ppi, &host); + rc = ata_pci_bmdma_prepare_host(pdev, ppi, &host); if (rc) return rc; host->private_data = hpriv; @@ -1626,7 +1626,7 @@ static int __devinit piix_init_one(struct pci_dev *pdev, host->flags |= ATA_HOST_PARALLEL_SCAN; pci_set_master(pdev); - return ata_pci_sff_activate_host(host, ata_sff_interrupt, &piix_sht); + return ata_pci_sff_activate_host(host, ata_bmdma_interrupt, &piix_sht); } static void piix_remove_one(struct pci_dev *pdev) diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c index 1984a6e..261f86d 100644 --- a/drivers/ata/libahci.c +++ b/drivers/ata/libahci.c @@ -541,29 +541,11 @@ static int ahci_scr_write(struct ata_link *link, unsigned int sc_reg, u32 val) return -EINVAL; } -static int ahci_is_device_present(void __iomem *port_mmio) -{ - u8 status = readl(port_mmio + PORT_TFDATA) & 0xff; - - /* Make sure PxTFD.STS.BSY and PxTFD.STS.DRQ are 0 */ - if (status & (ATA_BUSY | ATA_DRQ)) - return 0; - - /* Make sure PxSSTS.DET is 3h */ - status = readl(port_mmio + PORT_SCR_STAT) & 0xf; - if (status != 3) - return 0; - return 1; -} - void ahci_start_engine(struct ata_port *ap) { void __iomem *port_mmio = ahci_port_base(ap); u32 tmp; - if (!ahci_is_device_present(port_mmio)) - return; - /* start DMA */ tmp = readl(port_mmio + PORT_CMD); tmp |= PORT_CMD_START; @@ -1892,6 +1874,9 @@ static void ahci_error_handler(struct ata_port *ap) } sata_pmp_error_handler(ap); + + if (!ata_dev_enabled(ap->link.device)) + ahci_stop_engine(ap); } static void ahci_post_internal_cmd(struct ata_queued_cmd *qc) diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index c47373f..ddf8e48 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -160,6 +160,10 @@ int libata_allow_tpm = 0; module_param_named(allow_tpm, libata_allow_tpm, int, 0444); MODULE_PARM_DESC(allow_tpm, "Permit the use of TPM commands (0=off [default], 1=on)"); +static int atapi_an; +module_param(atapi_an, int, 0444); +MODULE_PARM_DESC(atapi_an, "Enable ATAPI AN media presence notification (0=0ff [default], 1=on)"); + MODULE_AUTHOR("Jeff Garzik"); MODULE_DESCRIPTION("Library module for ATA devices"); MODULE_LICENSE("GPL"); @@ -2122,6 +2126,14 @@ retry: goto err_out; } + if (dev->horkage & ATA_HORKAGE_DUMP_ID) { + ata_dev_printk(dev, KERN_DEBUG, "dumping IDENTIFY data, " + "class=%d may_fallback=%d tried_spinup=%d\n", + class, may_fallback, tried_spinup); + print_hex_dump(KERN_DEBUG, "", DUMP_PREFIX_OFFSET, + 16, 2, id, ATA_ID_WORDS * sizeof(*id), true); + } + /* Falling back doesn't make sense if ID data was read * successfully at least once. */ @@ -2510,7 +2522,8 @@ int ata_dev_configure(struct ata_device *dev) * to enable ATAPI AN to discern between PHY status * changed notifications and ATAPI ANs. */ - if ((ap->flags & ATA_FLAG_AN) && ata_id_has_atapi_AN(id) && + if (atapi_an && + (ap->flags & ATA_FLAG_AN) && ata_id_has_atapi_AN(id) && (!sata_pmp_attached(ap) || sata_scr_read(&ap->link, SCR_NOTIFICATION, &sntf) == 0)) { unsigned int err_mask; @@ -4106,9 +4119,8 @@ int ata_dev_revalidate(struct ata_device *dev, unsigned int new_class, dev->n_sectors > n_sectors && dev->n_sectors == n_native_sectors) { ata_dev_printk(dev, KERN_WARNING, "new n_sectors matches native, probably " - "late HPA unlock, continuing\n"); - /* keep using the old n_sectors */ - dev->n_sectors = n_sectors; + "late HPA unlock, n_sectors updated\n"); + /* use the larger n_sectors */ return 0; } @@ -6372,6 +6384,7 @@ static int __init ata_parse_force_one(char **cur, { "3.0Gbps", .spd_limit = 2 }, { "noncq", .horkage_on = ATA_HORKAGE_NONCQ }, { "ncq", .horkage_off = ATA_HORKAGE_NONCQ }, + { "dump_id", .horkage_on = ATA_HORKAGE_DUMP_ID }, { "pio0", .xfer_mask = 1 << (ATA_SHIFT_PIO + 0) }, { "pio1", .xfer_mask = 1 << (ATA_SHIFT_PIO + 1) }, { "pio2", .xfer_mask = 1 << (ATA_SHIFT_PIO + 2) }, @@ -6655,6 +6668,7 @@ EXPORT_SYMBOL_GPL(ata_dummy_port_info); EXPORT_SYMBOL_GPL(ata_link_next); EXPORT_SYMBOL_GPL(ata_dev_next); EXPORT_SYMBOL_GPL(ata_std_bios_param); +EXPORT_SYMBOL_GPL(ata_scsi_unlock_native_capacity); EXPORT_SYMBOL_GPL(ata_host_init); EXPORT_SYMBOL_GPL(ata_host_alloc); EXPORT_SYMBOL_GPL(ata_host_alloc_pinfo); diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index cfa9dd3..a54273d 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -415,6 +415,35 @@ int ata_std_bios_param(struct scsi_device *sdev, struct block_device *bdev, } /** + * ata_scsi_unlock_native_capacity - unlock native capacity + * @sdev: SCSI device to adjust device capacity for + * + * This function is called if a partition on @sdev extends beyond + * the end of the device. It requests EH to unlock HPA. + * + * LOCKING: + * Defined by the SCSI layer. Might sleep. + */ +void ata_scsi_unlock_native_capacity(struct scsi_device *sdev) +{ + struct ata_port *ap = ata_shost_to_port(sdev->host); + struct ata_device *dev; + unsigned long flags; + + spin_lock_irqsave(ap->lock, flags); + + dev = ata_scsi_find_dev(ap, sdev); + if (dev && dev->n_sectors < dev->n_native_sectors) { + dev->flags |= ATA_DFLAG_UNLOCK_HPA; + dev->link->eh_info.action |= ATA_EH_RESET; + ata_port_schedule_eh(ap); + } + + spin_unlock_irqrestore(ap->lock, flags); + ata_port_wait_eh(ap); +} + +/** * ata_get_identity - Handler for HDIO_GET_IDENTITY ioctl * @ap: target port * @sdev: SCSI device to get identify data for diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c index 19ddf92..efa4a18 100644 --- a/drivers/ata/libata-sff.c +++ b/drivers/ata/libata-sff.c @@ -63,7 +63,6 @@ const struct ata_port_operations ata_sff_port_ops = { .sff_tf_read = ata_sff_tf_read, .sff_exec_command = ata_sff_exec_command, .sff_data_xfer = ata_sff_data_xfer, - .sff_irq_clear = ata_sff_irq_clear, .sff_drain_fifo = ata_sff_drain_fifo, .lost_interrupt = ata_sff_lost_interrupt, @@ -395,33 +394,12 @@ void ata_sff_irq_on(struct ata_port *ap) ata_sff_set_devctl(ap, ap->ctl); ata_wait_idle(ap); - ap->ops->sff_irq_clear(ap); + if (ap->ops->sff_irq_clear) + ap->ops->sff_irq_clear(ap); } EXPORT_SYMBOL_GPL(ata_sff_irq_on); /** - * ata_sff_irq_clear - Clear PCI IDE BMDMA interrupt. - * @ap: Port associated with this ATA transaction. - * - * Clear interrupt and error flags in DMA status register. - * - * May be used as the irq_clear() entry in ata_port_operations. - * - * LOCKING: - * spin_lock_irqsave(host lock) - */ -void ata_sff_irq_clear(struct ata_port *ap) -{ - void __iomem *mmio = ap->ioaddr.bmdma_addr; - - if (!mmio) - return; - - iowrite8(ioread8(mmio + ATA_DMA_STATUS), mmio + ATA_DMA_STATUS); -} -EXPORT_SYMBOL_GPL(ata_sff_irq_clear); - -/** * ata_sff_tf_load - send taskfile registers to host controller * @ap: Port to which output is sent * @tf: ATA taskfile register set @@ -820,11 +798,15 @@ static void atapi_send_cdb(struct ata_port *ap, struct ata_queued_cmd *qc) case ATAPI_PROT_NODATA: ap->hsm_task_state = HSM_ST_LAST; break; +#ifdef CONFIG_ATA_BMDMA case ATAPI_PROT_DMA: ap->hsm_task_state = HSM_ST_LAST; /* initiate bmdma */ ap->ops->bmdma_start(qc); break; +#endif /* CONFIG_ATA_BMDMA */ + default: + BUG(); } } @@ -1491,27 +1473,27 @@ bool ata_sff_qc_fill_rtf(struct ata_queued_cmd *qc) } EXPORT_SYMBOL_GPL(ata_sff_qc_fill_rtf); -/** - * ata_sff_host_intr - Handle host interrupt for given (port, task) - * @ap: Port on which interrupt arrived (possibly...) - * @qc: Taskfile currently active in engine - * - * Handle host interrupt for given queued command. Currently, - * only DMA interrupts are handled. All other commands are - * handled via polling with interrupts disabled (nIEN bit). - * - * LOCKING: - * spin_lock_irqsave(host lock) - * - * RETURNS: - * One if interrupt was handled, zero if not (shared irq). - */ -unsigned int ata_sff_host_intr(struct ata_port *ap, - struct ata_queued_cmd *qc) +static unsigned int ata_sff_idle_irq(struct ata_port *ap) { - struct ata_eh_info *ehi = &ap->link.eh_info; - u8 status, host_stat = 0; - bool bmdma_stopped = false; + ap->stats.idle_irq++; + +#ifdef ATA_IRQ_TRAP + if ((ap->stats.idle_irq % 1000) == 0) { + ap->ops->sff_check_status(ap); + if (ap->ops->sff_irq_clear) + ap->ops->sff_irq_clear(ap); + ata_port_printk(ap, KERN_WARNING, "irq trap\n"); + return 1; + } +#endif + return 0; /* irq not handled */ +} + +static unsigned int __ata_sff_port_intr(struct ata_port *ap, + struct ata_queued_cmd *qc, + bool hsmv_on_idle) +{ + u8 status; VPRINTK("ata%u: protocol %d task_state %d\n", ap->print_id, qc->tf.protocol, ap->hsm_task_state); @@ -1528,90 +1510,56 @@ unsigned int ata_sff_host_intr(struct ata_port *ap, * need to check ata_is_atapi(qc->tf.protocol) again. */ if (!(qc->dev->flags & ATA_DFLAG_CDB_INTR)) - goto idle_irq; - break; - case HSM_ST_LAST: - if (qc->tf.protocol == ATA_PROT_DMA || - qc->tf.protocol == ATAPI_PROT_DMA) { - /* check status of DMA engine */ - host_stat = ap->ops->bmdma_status(ap); - VPRINTK("ata%u: host_stat 0x%X\n", - ap->print_id, host_stat); - - /* if it's not our irq... */ - if (!(host_stat & ATA_DMA_INTR)) - goto idle_irq; - - /* before we do anything else, clear DMA-Start bit */ - ap->ops->bmdma_stop(qc); - bmdma_stopped = true; - - if (unlikely(host_stat & ATA_DMA_ERR)) { - /* error when transfering data to/from memory */ - qc->err_mask |= AC_ERR_HOST_BUS; - ap->hsm_task_state = HSM_ST_ERR; - } - } + return ata_sff_idle_irq(ap); break; case HSM_ST: + case HSM_ST_LAST: break; default: - goto idle_irq; + return ata_sff_idle_irq(ap); } - /* check main status, clearing INTRQ if needed */ status = ata_sff_irq_status(ap); if (status & ATA_BUSY) { - if (bmdma_stopped) { + if (hsmv_on_idle) { /* BMDMA engine is already stopped, we're screwed */ qc->err_mask |= AC_ERR_HSM; ap->hsm_task_state = HSM_ST_ERR; } else - goto idle_irq; + return ata_sff_idle_irq(ap); } /* clear irq events */ - ap->ops->sff_irq_clear(ap); + if (ap->ops->sff_irq_clear) + ap->ops->sff_irq_clear(ap); ata_sff_hsm_move(ap, qc, status, 0); - if (unlikely(qc->err_mask) && (qc->tf.protocol == ATA_PROT_DMA || - qc->tf.protocol == ATAPI_PROT_DMA)) - ata_ehi_push_desc(ehi, "BMDMA stat 0x%x", host_stat); - return 1; /* irq handled */ - -idle_irq: - ap->stats.idle_irq++; - -#ifdef ATA_IRQ_TRAP - if ((ap->stats.idle_irq % 1000) == 0) { - ap->ops->sff_check_status(ap); - ap->ops->sff_irq_clear(ap); - ata_port_printk(ap, KERN_WARNING, "irq trap\n"); - return 1; - } -#endif - return 0; /* irq not handled */ } -EXPORT_SYMBOL_GPL(ata_sff_host_intr); /** - * ata_sff_interrupt - Default ATA host interrupt handler - * @irq: irq line (unused) - * @dev_instance: pointer to our ata_host information structure + * ata_sff_port_intr - Handle SFF port interrupt + * @ap: Port on which interrupt arrived (possibly...) + * @qc: Taskfile currently active in engine * - * Default interrupt handler for PCI IDE devices. Calls - * ata_sff_host_intr() for each port that is not disabled. + * Handle port interrupt for given queued command. * * LOCKING: - * Obtains host lock during operation. + * spin_lock_irqsave(host lock) * * RETURNS: - * IRQ_NONE or IRQ_HANDLED. + * One if interrupt was handled, zero if not (shared irq). */ -irqreturn_t ata_sff_interrupt(int irq, void *dev_instance) +unsigned int ata_sff_port_intr(struct ata_port *ap, struct ata_queued_cmd *qc) +{ + return __ata_sff_port_intr(ap, qc, false); +} +EXPORT_SYMBOL_GPL(ata_sff_port_intr); + +static inline irqreturn_t __ata_sff_interrupt(int irq, void *dev_instance, + unsigned int (*port_intr)(struct ata_port *, struct ata_queued_cmd *)) { struct ata_host *host = dev_instance; bool retried = false; @@ -1631,7 +1579,7 @@ retry: qc = ata_qc_from_tag(ap, ap->link.active_tag); if (qc) { if (!(qc->tf.flags & ATA_TFLAG_POLLING)) - handled |= ata_sff_host_intr(ap, qc); + handled |= port_intr(ap, qc); else polling |= 1 << i; } else @@ -1658,7 +1606,8 @@ retry: if (idle & (1 << i)) { ap->ops->sff_check_status(ap); - ap->ops->sff_irq_clear(ap); + if (ap->ops->sff_irq_clear) + ap->ops->sff_irq_clear(ap); } else { /* clear INTRQ and check if BUSY cleared */ if (!(ap->ops->sff_check_status(ap) & ATA_BUSY)) @@ -1680,6 +1629,25 @@ retry: return IRQ_RETVAL(handled); } + +/** + * ata_sff_interrupt - Default SFF ATA host interrupt handler + * @irq: irq line (unused) + * @dev_instance: pointer to our ata_host information structure + * + * Default interrupt handler for PCI IDE devices. Calls + * ata_sff_port_intr() for each port that is not disabled. + * + * LOCKING: + * Obtains host lock during operation. + * + * RETURNS: + * IRQ_NONE or IRQ_HANDLED. + */ +irqreturn_t ata_sff_interrupt(int irq, void *dev_instance) +{ + return __ata_sff_interrupt(irq, dev_instance, ata_sff_port_intr); +} EXPORT_SYMBOL_GPL(ata_sff_interrupt); /** @@ -1717,7 +1685,7 @@ void ata_sff_lost_interrupt(struct ata_port *ap) status); /* Run the host interrupt logic as if the interrupt had not been lost */ - ata_sff_host_intr(ap, qc); + ata_sff_port_intr(ap, qc); } EXPORT_SYMBOL_GPL(ata_sff_lost_interrupt); @@ -1744,7 +1712,8 @@ void ata_sff_freeze(struct ata_port *ap) */ ap->ops->sff_check_status(ap); - ap->ops->sff_irq_clear(ap); + if (ap->ops->sff_irq_clear) + ap->ops->sff_irq_clear(ap); } EXPORT_SYMBOL_GPL(ata_sff_freeze); @@ -1761,7 +1730,8 @@ void ata_sff_thaw(struct ata_port *ap) { /* clear & re-enable interrupts */ ap->ops->sff_check_status(ap); - ap->ops->sff_irq_clear(ap); + if (ap->ops->sff_irq_clear) + ap->ops->sff_irq_clear(ap); ata_sff_irq_on(ap); } EXPORT_SYMBOL_GPL(ata_sff_thaw); @@ -2349,13 +2319,13 @@ int ata_pci_sff_init_host(struct ata_host *host) EXPORT_SYMBOL_GPL(ata_pci_sff_init_host); /** - * ata_pci_sff_prepare_host - helper to prepare native PCI ATA host + * ata_pci_sff_prepare_host - helper to prepare PCI PIO-only SFF ATA host * @pdev: target PCI device * @ppi: array of port_info, must be enough for two ports * @r_host: out argument for the initialized ATA host * - * Helper to allocate ATA host for @pdev, acquire all native PCI - * resources and initialize it accordingly in one go. + * Helper to allocate PIO-only SFF ATA host for @pdev, acquire + * all PCI resources and initialize it accordingly in one go. * * LOCKING: * Inherited from calling layer (may sleep). @@ -2385,9 +2355,6 @@ int ata_pci_sff_prepare_host(struct pci_dev *pdev, if (rc) goto err_out; - /* init DMA related stuff */ - ata_pci_bmdma_init(host); - devres_remove_group(&pdev->dev, NULL); *r_host = host; return 0; @@ -2492,8 +2459,21 @@ out: } EXPORT_SYMBOL_GPL(ata_pci_sff_activate_host); +static const struct ata_port_info *ata_sff_find_valid_pi( + const struct ata_port_info * const *ppi) +{ + int i; + + /* look up the first valid port_info */ + for (i = 0; i < 2 && ppi[i]; i++) + if (ppi[i]->port_ops != &ata_dummy_port_ops) + return ppi[i]; + + return NULL; +} + /** - * ata_pci_sff_init_one - Initialize/register PCI IDE host controller + * ata_pci_sff_init_one - Initialize/register PIO-only PCI IDE controller * @pdev: Controller to be initialized * @ppi: array of port_info, must be enough for two ports * @sht: scsi_host_template to use when registering the host @@ -2502,11 +2482,7 @@ EXPORT_SYMBOL_GPL(ata_pci_sff_activate_host); * * This is a helper function which can be called from a driver's * xxx_init_one() probe function if the hardware uses traditional - * IDE taskfile registers. - * - * This function calls pci_enable_device(), reserves its register - * regions, sets the dma mask, enables bus master mode, and calls - * ata_device_add() + * IDE taskfile registers and is PIO only. * * ASSUMPTION: * Nobody makes a single channel controller that appears solely as @@ -2523,20 +2499,13 @@ int ata_pci_sff_init_one(struct pci_dev *pdev, struct scsi_host_template *sht, void *host_priv, int hflag) { struct device *dev = &pdev->dev; - const struct ata_port_info *pi = NULL; + const struct ata_port_info *pi; struct ata_host *host = NULL; - int i, rc; + int rc; DPRINTK("ENTER\n"); - /* look up the first valid port_info */ - for (i = 0; i < 2 && ppi[i]; i++) { - if (ppi[i]->port_ops != &ata_dummy_port_ops) { - pi = ppi[i]; - break; - } - } - + pi = ata_sff_find_valid_pi(ppi); if (!pi) { dev_printk(KERN_ERR, &pdev->dev, "no valid port_info specified\n"); @@ -2557,7 +2526,6 @@ int ata_pci_sff_init_one(struct pci_dev *pdev, host->private_data = host_priv; host->flags |= hflag; - pci_set_master(pdev); rc = ata_pci_sff_activate_host(host, ata_sff_interrupt, sht); out: if (rc == 0) @@ -2571,6 +2539,12 @@ EXPORT_SYMBOL_GPL(ata_pci_sff_init_one); #endif /* CONFIG_PCI */ +/* + * BMDMA support + */ + +#ifdef CONFIG_ATA_BMDMA + const struct ata_port_operations ata_bmdma_port_ops = { .inherits = &ata_sff_port_ops, @@ -2580,6 +2554,7 @@ const struct ata_port_operations ata_bmdma_port_ops = { .qc_prep = ata_bmdma_qc_prep, .qc_issue = ata_bmdma_qc_issue, + .sff_irq_clear = ata_bmdma_irq_clear, .bmdma_setup = ata_bmdma_setup, .bmdma_start = ata_bmdma_start, .bmdma_stop = ata_bmdma_stop, @@ -2804,6 +2779,75 @@ unsigned int ata_bmdma_qc_issue(struct ata_queued_cmd *qc) EXPORT_SYMBOL_GPL(ata_bmdma_qc_issue); /** + * ata_bmdma_port_intr - Handle BMDMA port interrupt + * @ap: Port on which interrupt arrived (possibly...) + * @qc: Taskfile currently active in engine + * + * Handle port interrupt for given queued command. + * + * LOCKING: + * spin_lock_irqsave(host lock) + * + * RETURNS: + * One if interrupt was handled, zero if not (shared irq). + */ +unsigned int ata_bmdma_port_intr(struct ata_port *ap, struct ata_queued_cmd *qc) +{ + struct ata_eh_info *ehi = &ap->link.eh_info; + u8 host_stat = 0; + bool bmdma_stopped = false; + unsigned int handled; + + if (ap->hsm_task_state == HSM_ST_LAST && ata_is_dma(qc->tf.protocol)) { + /* check status of DMA engine */ + host_stat = ap->ops->bmdma_status(ap); + VPRINTK("ata%u: host_stat 0x%X\n", ap->print_id, host_stat); + + /* if it's not our irq... */ + if (!(host_stat & ATA_DMA_INTR)) + return ata_sff_idle_irq(ap); + + /* before we do anything else, clear DMA-Start bit */ + ap->ops->bmdma_stop(qc); + bmdma_stopped = true; + + if (unlikely(host_stat & ATA_DMA_ERR)) { + /* error when transfering data to/from memory */ + qc->err_mask |= AC_ERR_HOST_BUS; + ap->hsm_task_state = HSM_ST_ERR; + } + } + + handled = __ata_sff_port_intr(ap, qc, bmdma_stopped); + + if (unlikely(qc->err_mask) && ata_is_dma(qc->tf.protocol)) + ata_ehi_push_desc(ehi, "BMDMA stat 0x%x", host_stat); + + return handled; +} +EXPORT_SYMBOL_GPL(ata_bmdma_port_intr); + +/** + * ata_bmdma_interrupt - Default BMDMA ATA host interrupt handler + * @irq: irq line (unused) + * @dev_instance: pointer to our ata_host information structure + * + * Default interrupt handler for PCI IDE devices. Calls + * ata_bmdma_port_intr() for each port that is not disabled. + * + * LOCKING: + * Obtains host lock during operation. + * + * RETURNS: + * IRQ_NONE or IRQ_HANDLED. + */ +irqreturn_t ata_bmdma_interrupt(int irq, void *dev_instance) +{ + return __ata_sff_interrupt(irq, dev_instance, ata_bmdma_port_intr); +} +EXPORT_SYMBOL_GPL(ata_bmdma_interrupt); + +/** * ata_bmdma_error_handler - Stock error handler for BMDMA controller * @ap: port to handle error for * @@ -2848,7 +2892,8 @@ void ata_bmdma_error_handler(struct ata_port *ap) /* if we're gonna thaw, make sure IRQ is clear */ if (thaw) { ap->ops->sff_check_status(ap); - ap->ops->sff_irq_clear(ap); + if (ap->ops->sff_irq_clear) + ap->ops->sff_irq_clear(ap); } } @@ -2882,6 +2927,28 @@ void ata_bmdma_post_internal_cmd(struct ata_queued_cmd *qc) EXPORT_SYMBOL_GPL(ata_bmdma_post_internal_cmd); /** + * ata_bmdma_irq_clear - Clear PCI IDE BMDMA interrupt. + * @ap: Port associated with this ATA transaction. + * + * Clear interrupt and error flags in DMA status register. + * + * May be used as the irq_clear() entry in ata_port_operations. + * + * LOCKING: + * spin_lock_irqsave(host lock) + */ +void ata_bmdma_irq_clear(struct ata_port *ap) +{ + void __iomem *mmio = ap->ioaddr.bmdma_addr; + + if (!mmio) + return; + + iowrite8(ioread8(mmio + ATA_DMA_STATUS), mmio + ATA_DMA_STATUS); +} +EXPORT_SYMBOL_GPL(ata_bmdma_irq_clear); + +/** * ata_bmdma_setup - Set up PCI IDE BMDMA transaction * @qc: Info associated with this ATA transaction. * @@ -3137,7 +3204,100 @@ void ata_pci_bmdma_init(struct ata_host *host) } EXPORT_SYMBOL_GPL(ata_pci_bmdma_init); +/** + * ata_pci_bmdma_prepare_host - helper to prepare PCI BMDMA ATA host + * @pdev: target PCI device + * @ppi: array of port_info, must be enough for two ports + * @r_host: out argument for the initialized ATA host + * + * Helper to allocate BMDMA ATA host for @pdev, acquire all PCI + * resources and initialize it accordingly in one go. + * + * LOCKING: + * Inherited from calling layer (may sleep). + * + * RETURNS: + * 0 on success, -errno otherwise. + */ +int ata_pci_bmdma_prepare_host(struct pci_dev *pdev, + const struct ata_port_info * const * ppi, + struct ata_host **r_host) +{ + int rc; + + rc = ata_pci_sff_prepare_host(pdev, ppi, r_host); + if (rc) + return rc; + + ata_pci_bmdma_init(*r_host); + return 0; +} +EXPORT_SYMBOL_GPL(ata_pci_bmdma_prepare_host); + +/** + * ata_pci_bmdma_init_one - Initialize/register BMDMA PCI IDE controller + * @pdev: Controller to be initialized + * @ppi: array of port_info, must be enough for two ports + * @sht: scsi_host_template to use when registering the host + * @host_priv: host private_data + * @hflags: host flags + * + * This function is similar to ata_pci_sff_init_one() but also + * takes care of BMDMA initialization. + * + * LOCKING: + * Inherited from PCI layer (may sleep). + * + * RETURNS: + * Zero on success, negative on errno-based value on error. + */ +int ata_pci_bmdma_init_one(struct pci_dev *pdev, + const struct ata_port_info * const * ppi, + struct scsi_host_template *sht, void *host_priv, + int hflags) +{ + struct device *dev = &pdev->dev; + const struct ata_port_info *pi; + struct ata_host *host = NULL; + int rc; + + DPRINTK("ENTER\n"); + + pi = ata_sff_find_valid_pi(ppi); + if (!pi) { + dev_printk(KERN_ERR, &pdev->dev, + "no valid port_info specified\n"); + return -EINVAL; + } + + if (!devres_open_group(dev, NULL, GFP_KERNEL)) + return -ENOMEM; + + rc = pcim_enable_device(pdev); + if (rc) + goto out; + + /* prepare and activate BMDMA host */ + rc = ata_pci_bmdma_prepare_host(pdev, ppi, &host); + if (rc) + goto out; + host->private_data = host_priv; + host->flags |= hflags; + + pci_set_master(pdev); + rc = ata_pci_sff_activate_host(host, ata_bmdma_interrupt, sht); + out: + if (rc == 0) + devres_remove_group(&pdev->dev, NULL); + else + devres_release_group(&pdev->dev, NULL); + + return rc; +} +EXPORT_SYMBOL_GPL(ata_pci_bmdma_init_one); + #endif /* CONFIG_PCI */ +#endif /* CONFIG_ATA_BMDMA */ /** * ata_sff_port_init - Initialize SFF/BMDMA ATA port diff --git a/drivers/ata/pata_acpi.c b/drivers/ata/pata_acpi.c index 066b9f3..c8d4703 100644 --- a/drivers/ata/pata_acpi.c +++ b/drivers/ata/pata_acpi.c @@ -260,7 +260,7 @@ static int pacpi_init_one (struct pci_dev *pdev, const struct pci_device_id *id) return rc; pcim_pin_device(pdev); } - return ata_pci_sff_init_one(pdev, ppi, &pacpi_sht, NULL, 0); + return ata_pci_bmdma_init_one(pdev, ppi, &pacpi_sht, NULL, 0); } static const struct pci_device_id pacpi_pci_tbl[] = { diff --git a/drivers/ata/pata_ali.c b/drivers/ata/pata_ali.c index f306e10..794ec6e 100644 --- a/drivers/ata/pata_ali.c +++ b/drivers/ata/pata_ali.c @@ -583,7 +583,10 @@ static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id) ppi[0] = &info_20_udma; } - return ata_pci_sff_init_one(pdev, ppi, &ali_sht, NULL, 0); + if (!ppi[0]->mwdma_mask && !ppi[0]->udma_mask) + return ata_pci_sff_init_one(pdev, ppi, &ali_sht, NULL, 0); + else + return ata_pci_bmdma_init_one(pdev, ppi, &ali_sht, NULL, 0); } #ifdef CONFIG_PM diff --git a/drivers/ata/pata_amd.c b/drivers/ata/pata_amd.c index d95eca9..620a07c 100644 --- a/drivers/ata/pata_amd.c +++ b/drivers/ata/pata_amd.c @@ -574,7 +574,7 @@ static int amd_init_one(struct pci_dev *pdev, const struct pci_device_id *id) } /* And fire it up */ - return ata_pci_sff_init_one(pdev, ppi, &amd_sht, hpriv, 0); + return ata_pci_bmdma_init_one(pdev, ppi, &amd_sht, hpriv, 0); } #ifdef CONFIG_PM diff --git a/drivers/ata/pata_artop.c b/drivers/ata/pata_artop.c index 4d066d6..ba43f0f 100644 --- a/drivers/ata/pata_artop.c +++ b/drivers/ata/pata_artop.c @@ -421,7 +421,7 @@ static int artop_init_one (struct pci_dev *pdev, const struct pci_device_id *id) BUG_ON(ppi[0] == NULL); - return ata_pci_sff_init_one(pdev, ppi, &artop_sht, NULL, 0); + return ata_pci_bmdma_init_one(pdev, ppi, &artop_sht, NULL, 0); } static const struct pci_device_id artop_pci_tbl[] = { diff --git a/drivers/ata/pata_atiixp.c b/drivers/ata/pata_atiixp.c index 44d88b3..4375561 100644 --- a/drivers/ata/pata_atiixp.c +++ b/drivers/ata/pata_atiixp.c @@ -246,8 +246,8 @@ static int atiixp_init_one(struct pci_dev *pdev, const struct pci_device_id *id) if (!pci_test_config_bits(pdev, &atiixp_enable_bits[i])) ppi[i] = &ata_dummy_port_info; - return ata_pci_sff_init_one(pdev, ppi, &atiixp_sht, NULL, - ATA_HOST_PARALLEL_SCAN); + return ata_pci_bmdma_init_one(pdev, ppi, &atiixp_sht, NULL, + ATA_HOST_PARALLEL_SCAN); } static const struct pci_device_id atiixp[] = { diff --git a/drivers/ata/pata_atp867x.c b/drivers/ata/pata_atp867x.c index bb6e074..9529593 100644 --- a/drivers/ata/pata_atp867x.c +++ b/drivers/ata/pata_atp867x.c @@ -525,7 +525,7 @@ static int atp867x_init_one(struct pci_dev *pdev, pci_set_master(pdev); - rc = ata_host_activate(host, pdev->irq, ata_sff_interrupt, + rc = ata_host_activate(host, pdev->irq, ata_bmdma_interrupt, IRQF_SHARED, &atp867x_sht); if (rc) dev_printk(KERN_ERR, &pdev->dev, "failed to activate host\n"); diff --git a/drivers/ata/pata_bf54x.c b/drivers/ata/pata_bf54x.c index 6422cfd..9cae65d 100644 --- a/drivers/ata/pata_bf54x.c +++ b/drivers/ata/pata_bf54x.c @@ -1214,7 +1214,7 @@ static unsigned int bfin_data_xfer(struct ata_device *dev, unsigned char *buf, * bfin_irq_clear - Clear ATAPI interrupt. * @ap: Port associated with this ATA transaction. * - * Note: Original code is ata_sff_irq_clear(). + * Note: Original code is ata_bmdma_irq_clear(). */ static void bfin_irq_clear(struct ata_port *ap) diff --git a/drivers/ata/pata_cmd64x.c b/drivers/ata/pata_cmd64x.c index 4c81a71..9f5da1c 100644 --- a/drivers/ata/pata_cmd64x.c +++ b/drivers/ata/pata_cmd64x.c @@ -367,7 +367,7 @@ static int cmd64x_init_one(struct pci_dev *pdev, const struct pci_device_id *id) pci_write_config_byte(pdev, UDIDETCR0, 0xF0); #endif - return ata_pci_sff_init_one(pdev, ppi, &cmd64x_sht, NULL, 0); + return ata_pci_bmdma_init_one(pdev, ppi, &cmd64x_sht, NULL, 0); } #ifdef CONFIG_PM diff --git a/drivers/ata/pata_cs5520.c b/drivers/ata/pata_cs5520.c index 17c5f34..030952f 100644 --- a/drivers/ata/pata_cs5520.c +++ b/drivers/ata/pata_cs5520.c @@ -221,7 +221,7 @@ static int __devinit cs5520_init_one(struct pci_dev *pdev, const struct pci_devi continue; rc = devm_request_irq(&pdev->dev, irq[ap->port_no], - ata_sff_interrupt, 0, DRV_NAME, host); + ata_bmdma_interrupt, 0, DRV_NAME, host); if (rc) return rc; diff --git a/drivers/ata/pata_cs5530.c b/drivers/ata/pata_cs5530.c index e809a42..f792330 100644 --- a/drivers/ata/pata_cs5530.c +++ b/drivers/ata/pata_cs5530.c @@ -324,7 +324,7 @@ static int cs5530_init_one(struct pci_dev *pdev, const struct pci_device_id *id) ppi[1] = &info_palmax_secondary; /* Now kick off ATA set up */ - return ata_pci_sff_init_one(pdev, ppi, &cs5530_sht, NULL, 0); + return ata_pci_bmdma_init_one(pdev, ppi, &cs5530_sht, NULL, 0); } #ifdef CONFIG_PM diff --git a/drivers/ata/pata_cs5535.c b/drivers/ata/pata_cs5535.c index a02e645..03a9318 100644 --- a/drivers/ata/pata_cs5535.c +++ b/drivers/ata/pata_cs5535.c @@ -198,7 +198,7 @@ static int cs5535_init_one(struct pci_dev *dev, const struct pci_device_id *id) rdmsr(ATAC_CH0D1_PIO, timings, dummy); if (CS5535_BAD_PIO(timings)) wrmsr(ATAC_CH0D1_PIO, 0xF7F4F7F4UL, 0); - return ata_pci_sff_init_one(dev, ppi, &cs5535_sht, NULL, 0); + return ata_pci_bmdma_init_one(dev, ppi, &cs5535_sht, NULL, 0); } static const struct pci_device_id cs5535[] = { diff --git a/drivers/ata/pata_cs5536.c b/drivers/ata/pata_cs5536.c index 914ae35..21ee23f 100644 --- a/drivers/ata/pata_cs5536.c +++ b/drivers/ata/pata_cs5536.c @@ -260,7 +260,7 @@ static int cs5536_init_one(struct pci_dev *dev, const struct pci_device_id *id) return -ENODEV; } - return ata_pci_sff_init_one(dev, ppi, &cs5536_sht, NULL, 0); + return ata_pci_bmdma_init_one(dev, ppi, &cs5536_sht, NULL, 0); } static const struct pci_device_id cs5536[] = { diff --git a/drivers/ata/pata_cypress.c b/drivers/ata/pata_cypress.c index 0fcc096..6d915b0 100644 --- a/drivers/ata/pata_cypress.c +++ b/drivers/ata/pata_cypress.c @@ -138,7 +138,7 @@ static int cy82c693_init_one(struct pci_dev *pdev, const struct pci_device_id *i if (PCI_FUNC(pdev->devfn) != 1) return -ENODEV; - return ata_pci_sff_init_one(pdev, ppi, &cy82c693_sht, NULL, 0); + return ata_pci_bmdma_init_one(pdev, ppi, &cy82c693_sht, NULL, 0); } static const struct pci_device_id cy82c693[] = { diff --git a/drivers/ata/pata_efar.c b/drivers/ata/pata_efar.c index 3bac0e0..a088347 100644 --- a/drivers/ata/pata_efar.c +++ b/drivers/ata/pata_efar.c @@ -277,8 +277,8 @@ static int efar_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); - return ata_pci_sff_init_one(pdev, ppi, &efar_sht, NULL, - ATA_HOST_PARALLEL_SCAN); + return ata_pci_bmdma_init_one(pdev, ppi, &efar_sht, NULL, + ATA_HOST_PARALLEL_SCAN); } static const struct pci_device_id efar_pci_tbl[] = { diff --git a/drivers/ata/pata_hpt366.c b/drivers/ata/pata_hpt366.c index 8580eb3..7688868 100644 --- a/drivers/ata/pata_hpt366.c +++ b/drivers/ata/pata_hpt366.c @@ -361,7 +361,7 @@ static int hpt36x_init_one(struct pci_dev *dev, const struct pci_device_id *id) break; } /* Now kick off ATA set up */ - return ata_pci_sff_init_one(dev, ppi, &hpt36x_sht, hpriv, 0); + return ata_pci_bmdma_init_one(dev, ppi, &hpt36x_sht, hpriv, 0); } #ifdef CONFIG_PM diff --git a/drivers/ata/pata_hpt37x.c b/drivers/ata/pata_hpt37x.c index 98b498b..9ae4c08 100644 --- a/drivers/ata/pata_hpt37x.c +++ b/drivers/ata/pata_hpt37x.c @@ -987,7 +987,7 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id) } /* Now kick off ATA set up */ - return ata_pci_sff_init_one(dev, ppi, &hpt37x_sht, private_data, 0); + return ata_pci_bmdma_init_one(dev, ppi, &hpt37x_sht, private_data, 0); } static const struct pci_device_id hpt37x[] = { diff --git a/drivers/ata/pata_hpt3x2n.c b/drivers/ata/pata_hpt3x2n.c index 8b95aeb..32f3463 100644 --- a/drivers/ata/pata_hpt3x2n.c +++ b/drivers/ata/pata_hpt3x2n.c @@ -548,7 +548,7 @@ static int hpt3x2n_init_one(struct pci_dev *dev, const struct pci_device_id *id) outb(inb(iobase + 0x9c) | 0x04, iobase + 0x9c); /* Now kick off ATA set up */ - return ata_pci_sff_init_one(dev, ppi, &hpt3x2n_sht, hpriv, 0); + return ata_pci_bmdma_init_one(dev, ppi, &hpt3x2n_sht, hpriv, 0); } static const struct pci_device_id hpt3x2n[] = { diff --git a/drivers/ata/pata_hpt3x3.c b/drivers/ata/pata_hpt3x3.c index 727a81c..b63d5e2 100644 --- a/drivers/ata/pata_hpt3x3.c +++ b/drivers/ata/pata_hpt3x3.c @@ -248,7 +248,7 @@ static int hpt3x3_init_one(struct pci_dev *pdev, const struct pci_device_id *id) ata_port_pbar_desc(ap, 4, offset_cmd[i], "cmd"); } pci_set_master(pdev); - return ata_host_activate(host, pdev->irq, ata_sff_interrupt, + return ata_host_activate(host, pdev->irq, ata_bmdma_interrupt, IRQF_SHARED, &hpt3x3_sht); } diff --git a/drivers/ata/pata_icside.c b/drivers/ata/pata_icside.c index b56e8f7..9f2889f 100644 --- a/drivers/ata/pata_icside.c +++ b/drivers/ata/pata_icside.c @@ -470,7 +470,7 @@ static int __devinit pata_icside_add_ports(struct pata_icside_info *info) pata_icside_setup_ioaddr(ap, info->base, info, info->port[i]); } - return ata_host_activate(host, ec->irq, ata_sff_interrupt, 0, + return ata_host_activate(host, ec->irq, ata_bmdma_interrupt, 0, &pata_icside_sht); } diff --git a/drivers/ata/pata_it8213.c b/drivers/ata/pata_it8213.c index f971f0d..4d142a2 100644 --- a/drivers/ata/pata_it8213.c +++ b/drivers/ata/pata_it8213.c @@ -273,7 +273,7 @@ static int it8213_init_one (struct pci_dev *pdev, const struct pci_device_id *en dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); - return ata_pci_sff_init_one(pdev, ppi, &it8213_sht, NULL, 0); + return ata_pci_bmdma_init_one(pdev, ppi, &it8213_sht, NULL, 0); } static const struct pci_device_id it8213_pci_tbl[] = { diff --git a/drivers/ata/pata_it821x.c b/drivers/ata/pata_it821x.c index 2bd2b00..bf88f71 100644 --- a/drivers/ata/pata_it821x.c +++ b/drivers/ata/pata_it821x.c @@ -933,7 +933,7 @@ static int it821x_init_one(struct pci_dev *pdev, const struct pci_device_id *id) else ppi[0] = &info_smart; } - return ata_pci_sff_init_one(pdev, ppi, &it821x_sht, NULL, 0); + return ata_pci_bmdma_init_one(pdev, ppi, &it821x_sht, NULL, 0); } #ifdef CONFIG_PM diff --git a/drivers/ata/pata_jmicron.c b/drivers/ata/pata_jmicron.c index 565e01e..cb3babb 100644 --- a/drivers/ata/pata_jmicron.c +++ b/drivers/ata/pata_jmicron.c @@ -144,7 +144,7 @@ static int jmicron_init_one (struct pci_dev *pdev, const struct pci_device_id *i }; const struct ata_port_info *ppi[] = { &info, NULL }; - return ata_pci_sff_init_one(pdev, ppi, &jmicron_sht, NULL, 0); + return ata_pci_bmdma_init_one(pdev, ppi, &jmicron_sht, NULL, 0); } static const struct pci_device_id jmicron_pci_tbl[] = { diff --git a/drivers/ata/pata_macio.c b/drivers/ata/pata_macio.c index 25df50f..75b49d0 100644 --- a/drivers/ata/pata_macio.c +++ b/drivers/ata/pata_macio.c @@ -1110,7 +1110,7 @@ static int __devinit pata_macio_common_init(struct pata_macio_priv *priv, /* Start it up */ priv->irq = irq; - return ata_host_activate(priv->host, irq, ata_sff_interrupt, 0, + return ata_host_activate(priv->host, irq, ata_bmdma_interrupt, 0, &pata_macio_sht); } @@ -1140,7 +1140,7 @@ static int __devinit pata_macio_attach(struct macio_dev *mdev, "Failed to allocate private memory\n"); return -ENOMEM; } - priv->node = of_node_get(mdev->ofdev.node); + priv->node = of_node_get(mdev->ofdev.dev.of_node); priv->mdev = mdev; priv->dev = &mdev->ofdev.dev; @@ -1355,8 +1355,11 @@ static struct of_device_id pata_macio_match[] = static struct macio_driver pata_macio_driver = { - .name = "pata-macio", - .match_table = pata_macio_match, + .driver = { + .name = "pata-macio", + .owner = THIS_MODULE, + .of_match_table = pata_macio_match, + }, .probe = pata_macio_attach, .remove = pata_macio_detach, #ifdef CONFIG_PM @@ -1366,9 +1369,6 @@ static struct macio_driver pata_macio_driver = #ifdef CONFIG_PMAC_MEDIABAY .mediabay_event = pata_macio_mb_event, #endif - .driver = { - .owner = THIS_MODULE, - }, }; static const struct pci_device_id pata_macio_pci_match[] = { diff --git a/drivers/ata/pata_marvell.c b/drivers/ata/pata_marvell.c index e8ca02e..dd38083 100644 --- a/drivers/ata/pata_marvell.c +++ b/drivers/ata/pata_marvell.c @@ -153,7 +153,7 @@ static int marvell_init_one (struct pci_dev *pdev, const struct pci_device_id *i return -ENODEV; } #endif - return ata_pci_sff_init_one(pdev, ppi, &marvell_sht, NULL, 0); + return ata_pci_bmdma_init_one(pdev, ppi, &marvell_sht, NULL, 0); } static const struct pci_device_id marvell_pci_tbl[] = { diff --git a/drivers/ata/pata_mpc52xx.c b/drivers/ata/pata_mpc52xx.c index 96b11b6..f087ab5 100644 --- a/drivers/ata/pata_mpc52xx.c +++ b/drivers/ata/pata_mpc52xx.c @@ -659,7 +659,7 @@ mpc52xx_ata_init_one(struct device *dev, struct mpc52xx_ata_priv *priv, ata_port_desc(ap, "ata_regs 0x%lx", raw_ata_regs); /* activate host */ - return ata_host_activate(host, priv->ata_irq, ata_sff_interrupt, 0, + return ata_host_activate(host, priv->ata_irq, ata_bmdma_interrupt, 0, &mpc52xx_ata_sht); } @@ -694,7 +694,7 @@ mpc52xx_ata_probe(struct of_device *op, const struct of_device_id *match) struct bcom_task *dmatsk = NULL; /* Get ipb frequency */ - ipb_freq = mpc5xxx_get_bus_frequency(op->node); + ipb_freq = mpc5xxx_get_bus_frequency(op->dev.of_node); if (!ipb_freq) { dev_err(&op->dev, "could not determine IPB bus frequency\n"); return -ENODEV; @@ -702,7 +702,7 @@ mpc52xx_ata_probe(struct of_device *op, const struct of_device_id *match) /* Get device base address from device tree, request the region * and ioremap it. */ - rv = of_address_to_resource(op->node, 0, &res_mem); + rv = of_address_to_resource(op->dev.of_node, 0, &res_mem); if (rv) { dev_err(&op->dev, "could not determine device base address\n"); return rv; @@ -735,14 +735,14 @@ mpc52xx_ata_probe(struct of_device *op, const struct of_device_id *match) * The MPC5200 ATA controller supports MWDMA modes 0, 1 and 2 and * UDMA modes 0, 1 and 2. */ - prop = of_get_property(op->node, "mwdma-mode", &proplen); + prop = of_get_property(op->dev.of_node, "mwdma-mode", &proplen); if ((prop) && (proplen >= 4)) mwdma_mask = ATA_MWDMA2 & ((1 << (*prop + 1)) - 1); - prop = of_get_property(op->node, "udma-mode", &proplen); + prop = of_get_property(op->dev.of_node, "udma-mode", &proplen); if ((prop) && (proplen >= 4)) udma_mask = ATA_UDMA2 & ((1 << (*prop + 1)) - 1); - ata_irq = irq_of_parse_and_map(op->node, 0); + ata_irq = irq_of_parse_and_map(op->dev.of_node, 0); if (ata_irq == NO_IRQ) { dev_err(&op->dev, "error mapping irq\n"); return -EINVAL; @@ -884,9 +884,6 @@ static struct of_device_id mpc52xx_ata_of_match[] = { static struct of_platform_driver mpc52xx_ata_of_platform_driver = { - .owner = THIS_MODULE, - .name = DRV_NAME, - .match_table = mpc52xx_ata_of_match, .probe = mpc52xx_ata_probe, .remove = mpc52xx_ata_remove, #ifdef CONFIG_PM @@ -896,6 +893,7 @@ static struct of_platform_driver mpc52xx_ata_of_platform_driver = { .driver = { .name = DRV_NAME, .owner = THIS_MODULE, + .of_match_table = mpc52xx_ata_of_match, }, }; diff --git a/drivers/ata/pata_netcell.c b/drivers/ata/pata_netcell.c index 94f979a..3eb921c 100644 --- a/drivers/ata/pata_netcell.c +++ b/drivers/ata/pata_netcell.c @@ -82,7 +82,7 @@ static int netcell_init_one (struct pci_dev *pdev, const struct pci_device_id *e ata_pci_bmdma_clear_simplex(pdev); /* And let the library code do the work */ - return ata_pci_sff_init_one(pdev, port_info, &netcell_sht, NULL, 0); + return ata_pci_bmdma_init_one(pdev, port_info, &netcell_sht, NULL, 0); } static const struct pci_device_id netcell_pci_tbl[] = { diff --git a/drivers/ata/pata_ninja32.c b/drivers/ata/pata_ninja32.c index dd53a66..cc50bd0 100644 --- a/drivers/ata/pata_ninja32.c +++ b/drivers/ata/pata_ninja32.c @@ -149,7 +149,7 @@ static int ninja32_init_one(struct pci_dev *dev, const struct pci_device_id *id) ninja32_program(base); /* FIXME: Should we disable them at remove ? */ - return ata_host_activate(host, dev->irq, ata_sff_interrupt, + return ata_host_activate(host, dev->irq, ata_bmdma_interrupt, IRQF_SHARED, &ninja32_sht); } diff --git a/drivers/ata/pata_ns87415.c b/drivers/ata/pata_ns87415.c index fdbba2d..605f198 100644 --- a/drivers/ata/pata_ns87415.c +++ b/drivers/ata/pata_ns87415.c @@ -380,7 +380,7 @@ static int ns87415_init_one (struct pci_dev *pdev, const struct pci_device_id *e ns87415_fixup(pdev); - return ata_pci_sff_init_one(pdev, ppi, &ns87415_sht, NULL, 0); + return ata_pci_bmdma_init_one(pdev, ppi, &ns87415_sht, NULL, 0); } static const struct pci_device_id ns87415_pci_tbl[] = { diff --git a/drivers/ata/pata_octeon_cf.c b/drivers/ata/pata_octeon_cf.c index 3001109..06ddd91 100644 --- a/drivers/ata/pata_octeon_cf.c +++ b/drivers/ata/pata_octeon_cf.c @@ -750,20 +750,6 @@ static void octeon_cf_dev_config(struct ata_device *dev) } /* - * Trap if driver tries to do standard bmdma commands. They are not - * supported. - */ -static void unreachable_qc(struct ata_queued_cmd *qc) -{ - BUG(); -} - -static u8 unreachable_port(struct ata_port *ap) -{ - BUG(); -} - -/* * We don't do ATAPI DMA so return 0. */ static int octeon_cf_check_atapi_dma(struct ata_queued_cmd *qc) @@ -804,10 +790,6 @@ static struct ata_port_operations octeon_cf_ops = { .sff_dev_select = octeon_cf_dev_select, .sff_irq_on = octeon_cf_irq_on, .sff_irq_clear = octeon_cf_irq_clear, - .bmdma_setup = unreachable_qc, - .bmdma_start = unreachable_qc, - .bmdma_stop = unreachable_qc, - .bmdma_status = unreachable_port, .cable_detect = ata_cable_40wire, .set_piomode = octeon_cf_set_piomode, .set_dmamode = octeon_cf_set_dmamode, diff --git a/drivers/ata/pata_of_platform.c b/drivers/ata/pata_of_platform.c index 1f18ad9..5a1b82c 100644 --- a/drivers/ata/pata_of_platform.c +++ b/drivers/ata/pata_of_platform.c @@ -18,7 +18,7 @@ static int __devinit pata_of_platform_probe(struct of_device *ofdev, const struct of_device_id *match) { int ret; - struct device_node *dn = ofdev->node; + struct device_node *dn = ofdev->dev.of_node; struct resource io_res; struct resource ctl_res; struct resource irq_res; @@ -91,8 +91,11 @@ static struct of_device_id pata_of_platform_match[] = { MODULE_DEVICE_TABLE(of, pata_of_platform_match); static struct of_platform_driver pata_of_platform_driver = { - .name = "pata_of_platform", - .match_table = pata_of_platform_match, + .driver = { + .name = "pata_of_platform", + .owner = THIS_MODULE, + .of_match_table = pata_of_platform_match, + }, .probe = pata_of_platform_probe, .remove = __devexit_p(pata_of_platform_remove), }; diff --git a/drivers/ata/pata_oldpiix.c b/drivers/ata/pata_oldpiix.c index 988ef26..b811c16 100644 --- a/drivers/ata/pata_oldpiix.c +++ b/drivers/ata/pata_oldpiix.c @@ -248,7 +248,7 @@ static int oldpiix_init_one (struct pci_dev *pdev, const struct pci_device_id *e dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); - return ata_pci_sff_init_one(pdev, ppi, &oldpiix_sht, NULL, 0); + return ata_pci_bmdma_init_one(pdev, ppi, &oldpiix_sht, NULL, 0); } static const struct pci_device_id oldpiix_pci_tbl[] = { diff --git a/drivers/ata/pata_optidma.c b/drivers/ata/pata_optidma.c index 76b7d12..0852cd0 100644 --- a/drivers/ata/pata_optidma.c +++ b/drivers/ata/pata_optidma.c @@ -429,7 +429,7 @@ static int optidma_init_one(struct pci_dev *dev, const struct pci_device_id *id) if (optiplus_with_udma(dev)) ppi[0] = &info_82c700_udma; - return ata_pci_sff_init_one(dev, ppi, &optidma_sht, NULL, 0); + return ata_pci_bmdma_init_one(dev, ppi, &optidma_sht, NULL, 0); } static const struct pci_device_id optidma[] = { diff --git a/drivers/ata/pata_pdc2027x.c b/drivers/ata/pata_pdc2027x.c index 09f1f22..b183511 100644 --- a/drivers/ata/pata_pdc2027x.c +++ b/drivers/ata/pata_pdc2027x.c @@ -754,7 +754,7 @@ static int __devinit pdc2027x_init_one(struct pci_dev *pdev, const struct pci_de return -EIO; pci_set_master(pdev); - return ata_host_activate(host, pdev->irq, ata_sff_interrupt, + return ata_host_activate(host, pdev->irq, ata_bmdma_interrupt, IRQF_SHARED, &pdc2027x_sht); } diff --git a/drivers/ata/pata_pdc202xx_old.c b/drivers/ata/pata_pdc202xx_old.c index fa1e2f3..c39f213 100644 --- a/drivers/ata/pata_pdc202xx_old.c +++ b/drivers/ata/pata_pdc202xx_old.c @@ -337,7 +337,7 @@ static int pdc202xx_init_one(struct pci_dev *dev, const struct pci_device_id *id return -ENODEV; } } - return ata_pci_sff_init_one(dev, ppi, &pdc202xx_sht, NULL, 0); + return ata_pci_bmdma_init_one(dev, ppi, &pdc202xx_sht, NULL, 0); } static const struct pci_device_id pdc202xx[] = { diff --git a/drivers/ata/pata_piccolo.c b/drivers/ata/pata_piccolo.c index 9816154..cb01bf9 100644 --- a/drivers/ata/pata_piccolo.c +++ b/drivers/ata/pata_piccolo.c @@ -95,7 +95,7 @@ static int ata_tosh_init_one(struct pci_dev *dev, const struct pci_device_id *id }; const struct ata_port_info *ppi[] = { &info, &ata_dummy_port_info }; /* Just one port for the moment */ - return ata_pci_sff_init_one(dev, ppi, &tosh_sht, NULL, 0); + return ata_pci_bmdma_init_one(dev, ppi, &tosh_sht, NULL, 0); } static struct pci_device_id ata_tosh[] = { diff --git a/drivers/ata/pata_radisys.c b/drivers/ata/pata_radisys.c index a5fa388..8574b31 100644 --- a/drivers/ata/pata_radisys.c +++ b/drivers/ata/pata_radisys.c @@ -227,7 +227,7 @@ static int radisys_init_one (struct pci_dev *pdev, const struct pci_device_id *e dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); - return ata_pci_sff_init_one(pdev, ppi, &radisys_sht, NULL, 0); + return ata_pci_bmdma_init_one(pdev, ppi, &radisys_sht, NULL, 0); } static const struct pci_device_id radisys_pci_tbl[] = { diff --git a/drivers/ata/pata_rdc.c b/drivers/ata/pata_rdc.c index 37092cf..5fbe9b1 100644 --- a/drivers/ata/pata_rdc.c +++ b/drivers/ata/pata_rdc.c @@ -344,7 +344,7 @@ static int __devinit rdc_init_one(struct pci_dev *pdev, */ pci_read_config_dword(pdev, 0x54, &hpriv->saved_iocfg); - rc = ata_pci_sff_prepare_host(pdev, ppi, &host); + rc = ata_pci_bmdma_prepare_host(pdev, ppi, &host); if (rc) return rc; host->private_data = hpriv; @@ -354,7 +354,7 @@ static int __devinit rdc_init_one(struct pci_dev *pdev, host->flags |= ATA_HOST_PARALLEL_SCAN; pci_set_master(pdev); - return ata_pci_sff_activate_host(host, ata_sff_interrupt, &rdc_sht); + return ata_pci_sff_activate_host(host, ata_bmdma_interrupt, &rdc_sht); } static void rdc_remove_one(struct pci_dev *pdev) diff --git a/drivers/ata/pata_sc1200.c b/drivers/ata/pata_sc1200.c index 6b5b63a..e2c1825 100644 --- a/drivers/ata/pata_sc1200.c +++ b/drivers/ata/pata_sc1200.c @@ -237,7 +237,7 @@ static int sc1200_init_one(struct pci_dev *dev, const struct pci_device_id *id) }; const struct ata_port_info *ppi[] = { &info, NULL }; - return ata_pci_sff_init_one(dev, ppi, &sc1200_sht, NULL, 0); + return ata_pci_bmdma_init_one(dev, ppi, &sc1200_sht, NULL, 0); } static const struct pci_device_id sc1200[] = { diff --git a/drivers/ata/pata_scc.c b/drivers/ata/pata_scc.c index 6f6193b..d9db3f8 100644 --- a/drivers/ata/pata_scc.c +++ b/drivers/ata/pata_scc.c @@ -875,7 +875,7 @@ static void scc_postreset(struct ata_link *link, unsigned int *classes) * scc_irq_clear - Clear PCI IDE BMDMA interrupt. * @ap: Port associated with this ATA transaction. * - * Note: Original code is ata_sff_irq_clear(). + * Note: Original code is ata_bmdma_irq_clear(). */ static void scc_irq_clear (struct ata_port *ap) @@ -1105,7 +1105,7 @@ static int scc_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) if (rc) return rc; - return ata_host_activate(host, pdev->irq, ata_sff_interrupt, + return ata_host_activate(host, pdev->irq, ata_bmdma_interrupt, IRQF_SHARED, &scc_sht); } diff --git a/drivers/ata/pata_sch.c b/drivers/ata/pata_sch.c index 86b3d01..e97b32f 100644 --- a/drivers/ata/pata_sch.c +++ b/drivers/ata/pata_sch.c @@ -179,7 +179,7 @@ static int __devinit sch_init_one(struct pci_dev *pdev, dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); - return ata_pci_sff_init_one(pdev, ppi, &sch_sht, NULL, 0); + return ata_pci_bmdma_init_one(pdev, ppi, &sch_sht, NULL, 0); } static int __init sch_init(void) diff --git a/drivers/ata/pata_serverworks.c b/drivers/ata/pata_serverworks.c index 43ea389..86dd714e 100644 --- a/drivers/ata/pata_serverworks.c +++ b/drivers/ata/pata_serverworks.c @@ -460,7 +460,7 @@ static int serverworks_init_one(struct pci_dev *pdev, const struct pci_device_id if (pdev->device == PCI_DEVICE_ID_SERVERWORKS_CSB5IDE) ata_pci_bmdma_clear_simplex(pdev); - return ata_pci_sff_init_one(pdev, ppi, &serverworks_sht, NULL, 0); + return ata_pci_bmdma_init_one(pdev, ppi, &serverworks_sht, NULL, 0); } #ifdef CONFIG_PM diff --git a/drivers/ata/pata_sil680.c b/drivers/ata/pata_sil680.c index 43faf10..d3190d7 100644 --- a/drivers/ata/pata_sil680.c +++ b/drivers/ata/pata_sil680.c @@ -374,11 +374,11 @@ static int __devinit sil680_init_one(struct pci_dev *pdev, ata_sff_std_ports(&host->ports[1]->ioaddr); /* Register & activate */ - return ata_host_activate(host, pdev->irq, ata_sff_interrupt, + return ata_host_activate(host, pdev->irq, ata_bmdma_interrupt, IRQF_SHARED, &sil680_sht); use_ioports: - return ata_pci_sff_init_one(pdev, ppi, &sil680_sht, NULL, 0); + return ata_pci_bmdma_init_one(pdev, ppi, &sil680_sht, NULL, 0); } #ifdef CONFIG_PM diff --git a/drivers/ata/pata_sis.c b/drivers/ata/pata_sis.c index b670803..60cea13 100644 --- a/drivers/ata/pata_sis.c +++ b/drivers/ata/pata_sis.c @@ -826,7 +826,7 @@ static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) sis_fixup(pdev, chipset); - return ata_pci_sff_init_one(pdev, ppi, &sis_sht, chipset, 0); + return ata_pci_bmdma_init_one(pdev, ppi, &sis_sht, chipset, 0); } #ifdef CONFIG_PM diff --git a/drivers/ata/pata_sl82c105.c b/drivers/ata/pata_sl82c105.c index 733b042..98548f6 100644 --- a/drivers/ata/pata_sl82c105.c +++ b/drivers/ata/pata_sl82c105.c @@ -316,7 +316,7 @@ static int sl82c105_init_one(struct pci_dev *dev, const struct pci_device_id *id val |= CTRL_P0EN | CTRL_P0F16 | CTRL_P1F16; pci_write_config_dword(dev, 0x40, val); - return ata_pci_sff_init_one(dev, ppi, &sl82c105_sht, NULL, 0); + return ata_pci_bmdma_init_one(dev, ppi, &sl82c105_sht, NULL, 0); } static const struct pci_device_id sl82c105[] = { diff --git a/drivers/ata/pata_triflex.c b/drivers/ata/pata_triflex.c index 48f5060..0d1f89e 100644 --- a/drivers/ata/pata_triflex.c +++ b/drivers/ata/pata_triflex.c @@ -201,7 +201,7 @@ static int triflex_init_one(struct pci_dev *dev, const struct pci_device_id *id) if (!printed_version++) dev_printk(KERN_DEBUG, &dev->dev, "version " DRV_VERSION "\n"); - return ata_pci_sff_init_one(dev, ppi, &triflex_sht, NULL, 0); + return ata_pci_bmdma_init_one(dev, ppi, &triflex_sht, NULL, 0); } static const struct pci_device_id triflex[] = { diff --git a/drivers/ata/pata_via.c b/drivers/ata/pata_via.c index 7e3e0a5..5e65988 100644 --- a/drivers/ata/pata_via.c +++ b/drivers/ata/pata_via.c @@ -627,7 +627,7 @@ static int via_init_one(struct pci_dev *pdev, const struct pci_device_id *id) } /* We have established the device type, now fire it up */ - return ata_pci_sff_init_one(pdev, ppi, &via_sht, (void *)config, 0); + return ata_pci_bmdma_init_one(pdev, ppi, &via_sht, (void *)config, 0); } #ifdef CONFIG_PM diff --git a/drivers/ata/sata_fsl.c b/drivers/ata/sata_fsl.c index a69192b..61c89b5 100644 --- a/drivers/ata/sata_fsl.c +++ b/drivers/ata/sata_fsl.c @@ -1313,7 +1313,7 @@ static int sata_fsl_probe(struct of_device *ofdev, dev_printk(KERN_INFO, &ofdev->dev, "Sata FSL Platform/CSB Driver init\n"); - hcr_base = of_iomap(ofdev->node, 0); + hcr_base = of_iomap(ofdev->dev.of_node, 0); if (!hcr_base) goto error_exit_with_cleanup; @@ -1332,7 +1332,7 @@ static int sata_fsl_probe(struct of_device *ofdev, host_priv->ssr_base = ssr_base; host_priv->csr_base = csr_base; - irq = irq_of_parse_and_map(ofdev->node, 0); + irq = irq_of_parse_and_map(ofdev->dev.of_node, 0); if (irq < 0) { dev_printk(KERN_ERR, &ofdev->dev, "invalid irq from platform\n"); goto error_exit_with_cleanup; @@ -1427,8 +1427,11 @@ static struct of_device_id fsl_sata_match[] = { MODULE_DEVICE_TABLE(of, fsl_sata_match); static struct of_platform_driver fsl_sata_driver = { - .name = "fsl-sata", - .match_table = fsl_sata_match, + .driver = { + .name = "fsl-sata", + .owner = THIS_MODULE, + .of_match_table = fsl_sata_match, + }, .probe = sata_fsl_probe, .remove = sata_fsl_remove, #ifdef CONFIG_PM diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c index f3471bc..a476cd9 100644 --- a/drivers/ata/sata_mv.c +++ b/drivers/ata/sata_mv.c @@ -675,8 +675,6 @@ static struct ata_port_operations mv5_ops = { .freeze = mv_eh_freeze, .thaw = mv_eh_thaw, .hardreset = mv_hardreset, - .error_handler = ata_std_error_handler, /* avoid SFF EH */ - .post_internal_cmd = ATA_OP_NULL, .scr_read = mv5_scr_read, .scr_write = mv5_scr_write, @@ -2813,7 +2811,7 @@ static void mv_port_intr(struct ata_port *ap, u32 port_cause) } else if (!edma_was_enabled) { struct ata_queued_cmd *qc = mv_get_active_qc(ap); if (qc) - ata_sff_host_intr(ap, qc); + ata_bmdma_port_intr(ap, qc); else mv_unexpected_intr(ap, edma_was_enabled); } diff --git a/drivers/ata/sata_nv.c b/drivers/ata/sata_nv.c index baa8f0d..2116113 100644 --- a/drivers/ata/sata_nv.c +++ b/drivers/ata/sata_nv.c @@ -920,7 +920,7 @@ static int nv_host_intr(struct ata_port *ap, u8 irq_stat) } /* handle interrupt */ - return ata_sff_host_intr(ap, qc); + return ata_bmdma_port_intr(ap, qc); } static irqreturn_t nv_adma_interrupt(int irq, void *dev_instance) @@ -1100,7 +1100,7 @@ static void nv_adma_irq_clear(struct ata_port *ap) u32 notifier_clears[2]; if (pp->flags & NV_ADMA_ATAPI_SETUP_COMPLETE) { - ata_sff_irq_clear(ap); + ata_bmdma_irq_clear(ap); return; } @@ -1505,7 +1505,7 @@ static irqreturn_t nv_generic_interrupt(int irq, void *dev_instance) qc = ata_qc_from_tag(ap, ap->link.active_tag); if (qc && (!(qc->tf.flags & ATA_TFLAG_POLLING))) { - handled += ata_sff_host_intr(ap, qc); + handled += ata_bmdma_port_intr(ap, qc); } else { /* * No request pending? Clear interrupt status @@ -1669,7 +1669,6 @@ static void nv_mcp55_freeze(struct ata_port *ap) mask = readl(mmio_base + NV_INT_ENABLE_MCP55); mask &= ~(NV_INT_ALL_MCP55 << shift); writel(mask, mmio_base + NV_INT_ENABLE_MCP55); - ata_sff_freeze(ap); } static void nv_mcp55_thaw(struct ata_port *ap) @@ -1683,7 +1682,6 @@ static void nv_mcp55_thaw(struct ata_port *ap) mask = readl(mmio_base + NV_INT_ENABLE_MCP55); mask |= (NV_INT_MASK_MCP55 << shift); writel(mask, mmio_base + NV_INT_ENABLE_MCP55); - ata_sff_thaw(ap); } static void nv_adma_error_handler(struct ata_port *ap) @@ -2430,7 +2428,7 @@ static int nv_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) ppi[0] = &nv_port_info[type]; ipriv = ppi[0]->private_data; - rc = ata_pci_sff_prepare_host(pdev, ppi, &host); + rc = ata_pci_bmdma_prepare_host(pdev, ppi, &host); if (rc) return rc; diff --git a/drivers/ata/sata_qstor.c b/drivers/ata/sata_qstor.c index d533b3d..daeebf1 100644 --- a/drivers/ata/sata_qstor.c +++ b/drivers/ata/sata_qstor.c @@ -120,8 +120,6 @@ static void qs_host_stop(struct ata_host *host); static void qs_qc_prep(struct ata_queued_cmd *qc); static unsigned int qs_qc_issue(struct ata_queued_cmd *qc); static int qs_check_atapi_dma(struct ata_queued_cmd *qc); -static void qs_bmdma_stop(struct ata_queued_cmd *qc); -static u8 qs_bmdma_status(struct ata_port *ap); static void qs_freeze(struct ata_port *ap); static void qs_thaw(struct ata_port *ap); static int qs_prereset(struct ata_link *link, unsigned long deadline); @@ -137,8 +135,6 @@ static struct ata_port_operations qs_ata_ops = { .inherits = &ata_sff_port_ops, .check_atapi_dma = qs_check_atapi_dma, - .bmdma_stop = qs_bmdma_stop, - .bmdma_status = qs_bmdma_status, .qc_prep = qs_qc_prep, .qc_issue = qs_qc_issue, @@ -190,16 +186,6 @@ static int qs_check_atapi_dma(struct ata_queued_cmd *qc) return 1; /* ATAPI DMA not supported */ } -static void qs_bmdma_stop(struct ata_queued_cmd *qc) -{ - /* nothing */ -} - -static u8 qs_bmdma_status(struct ata_port *ap) -{ - return 0; -} - static inline void qs_enter_reg_mode(struct ata_port *ap) { u8 __iomem *chan = qs_mmio_base(ap->host) + (ap->port_no * 0x4000); @@ -454,7 +440,7 @@ static inline unsigned int qs_intr_mmio(struct ata_host *host) if (!pp || pp->state != qs_state_mmio) continue; if (!(qc->tf.flags & ATA_TFLAG_POLLING)) - handled |= ata_sff_host_intr(ap, qc); + handled |= ata_sff_port_intr(ap, qc); } return handled; } diff --git a/drivers/ata/sata_sil.c b/drivers/ata/sata_sil.c index 2dda312..3a4f842 100644 --- a/drivers/ata/sata_sil.c +++ b/drivers/ata/sata_sil.c @@ -503,7 +503,7 @@ static void sil_host_intr(struct ata_port *ap, u32 bmdma2) goto err_hsm; /* ack bmdma irq events */ - ata_sff_irq_clear(ap); + ata_bmdma_irq_clear(ap); /* kick HSM in the ass */ ata_sff_hsm_move(ap, qc, status, 0); @@ -584,7 +584,7 @@ static void sil_thaw(struct ata_port *ap) /* clear IRQ */ ap->ops->sff_check_status(ap); - ata_sff_irq_clear(ap); + ata_bmdma_irq_clear(ap); /* turn on SATA IRQ if supported */ if (!(ap->flags & SIL_FLAG_NO_SATA_IRQ)) diff --git a/drivers/ata/sata_sil24.c b/drivers/ata/sata_sil24.c index e925051..be7726d 100644 --- a/drivers/ata/sata_sil24.c +++ b/drivers/ata/sata_sil24.c @@ -539,12 +539,12 @@ static void sil24_config_port(struct ata_port *ap) writel(PORT_CS_IRQ_WOC, port + PORT_CTRL_CLR); /* zero error counters. */ - writel(0x8000, port + PORT_DECODE_ERR_THRESH); - writel(0x8000, port + PORT_CRC_ERR_THRESH); - writel(0x8000, port + PORT_HSHK_ERR_THRESH); - writel(0x0000, port + PORT_DECODE_ERR_CNT); - writel(0x0000, port + PORT_CRC_ERR_CNT); - writel(0x0000, port + PORT_HSHK_ERR_CNT); + writew(0x8000, port + PORT_DECODE_ERR_THRESH); + writew(0x8000, port + PORT_CRC_ERR_THRESH); + writew(0x8000, port + PORT_HSHK_ERR_THRESH); + writew(0x0000, port + PORT_DECODE_ERR_CNT); + writew(0x0000, port + PORT_CRC_ERR_CNT); + writew(0x0000, port + PORT_HSHK_ERR_CNT); /* always use 64bit activation */ writel(PORT_CS_32BIT_ACTV, port + PORT_CTRL_CLR); @@ -622,6 +622,11 @@ static int sil24_exec_polled_cmd(struct ata_port *ap, int pmp, irq_enabled = readl(port + PORT_IRQ_ENABLE_SET); writel(PORT_IRQ_COMPLETE | PORT_IRQ_ERROR, port + PORT_IRQ_ENABLE_CLR); + /* + * The barrier is required to ensure that writes to cmd_block reach + * the memory before the write to PORT_CMD_ACTIVATE. + */ + wmb(); writel((u32)paddr, port + PORT_CMD_ACTIVATE); writel((u64)paddr >> 32, port + PORT_CMD_ACTIVATE + 4); @@ -865,7 +870,7 @@ static void sil24_qc_prep(struct ata_queued_cmd *qc) } else { prb = &cb->atapi.prb; sge = cb->atapi.sge; - memset(cb->atapi.cdb, 0, 32); + memset(cb->atapi.cdb, 0, sizeof(cb->atapi.cdb)); memcpy(cb->atapi.cdb, qc->cdb, qc->dev->cdb_len); if (ata_is_data(qc->tf.protocol)) { @@ -895,6 +900,11 @@ static unsigned int sil24_qc_issue(struct ata_queued_cmd *qc) paddr = pp->cmd_block_dma + tag * sizeof(*pp->cmd_block); activate = port + PORT_CMD_ACTIVATE + tag * 8; + /* + * The barrier is required to ensure that writes to cmd_block reach + * the memory before the write to PORT_CMD_ACTIVATE. + */ + wmb(); writel((u32)paddr, activate); writel((u64)paddr >> 32, activate + 4); diff --git a/drivers/ata/sata_sis.c b/drivers/ata/sata_sis.c index f8a91bf..2bfe3ae 100644 --- a/drivers/ata/sata_sis.c +++ b/drivers/ata/sata_sis.c @@ -279,7 +279,7 @@ static int sis_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) break; } - rc = ata_pci_sff_prepare_host(pdev, ppi, &host); + rc = ata_pci_bmdma_prepare_host(pdev, ppi, &host); if (rc) return rc; @@ -308,7 +308,7 @@ static int sis_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) pci_set_master(pdev); pci_intx(pdev, 1); - return ata_host_activate(host, pdev->irq, ata_sff_interrupt, + return ata_host_activate(host, pdev->irq, ata_bmdma_interrupt, IRQF_SHARED, &sis_sht); } diff --git a/drivers/ata/sata_svw.c b/drivers/ata/sata_svw.c index 101fd6a..7d9db4a 100644 --- a/drivers/ata/sata_svw.c +++ b/drivers/ata/sata_svw.c @@ -502,7 +502,7 @@ static int k2_sata_init_one(struct pci_dev *pdev, const struct pci_device_id *en writel(0x0, mmio_base + K2_SATA_SIM_OFFSET); pci_set_master(pdev); - return ata_host_activate(host, pdev->irq, ata_sff_interrupt, + return ata_host_activate(host, pdev->irq, ata_bmdma_interrupt, IRQF_SHARED, &k2_sata_sht); } diff --git a/drivers/ata/sata_uli.c b/drivers/ata/sata_uli.c index d8dac17..b8578c3 100644 --- a/drivers/ata/sata_uli.c +++ b/drivers/ata/sata_uli.c @@ -242,7 +242,7 @@ static int uli_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) pci_set_master(pdev); pci_intx(pdev, 1); - return ata_host_activate(host, pdev->irq, ata_sff_interrupt, + return ata_host_activate(host, pdev->irq, ata_bmdma_interrupt, IRQF_SHARED, &uli_sht); } diff --git a/drivers/ata/sata_via.c b/drivers/ata/sata_via.c index 08f6549..4730c42 100644 --- a/drivers/ata/sata_via.c +++ b/drivers/ata/sata_via.c @@ -308,7 +308,7 @@ static void svia_noop_freeze(struct ata_port *ap) * certain way. Leave it alone and just clear pending IRQ. */ ap->ops->sff_check_status(ap); - ata_sff_irq_clear(ap); + ata_bmdma_irq_clear(ap); } /** @@ -463,7 +463,7 @@ static int vt6420_prepare_host(struct pci_dev *pdev, struct ata_host **r_host) struct ata_host *host; int rc; - rc = ata_pci_sff_prepare_host(pdev, ppi, &host); + rc = ata_pci_bmdma_prepare_host(pdev, ppi, &host); if (rc) return rc; *r_host = host; @@ -520,7 +520,7 @@ static int vt8251_prepare_host(struct pci_dev *pdev, struct ata_host **r_host) struct ata_host *host; int i, rc; - rc = ata_pci_sff_prepare_host(pdev, ppi, &host); + rc = ata_pci_bmdma_prepare_host(pdev, ppi, &host); if (rc) return rc; *r_host = host; @@ -575,6 +575,33 @@ static void svia_configure(struct pci_dev *pdev) tmp8 |= NATIVE_MODE_ALL; pci_write_config_byte(pdev, SATA_NATIVE_MODE, tmp8); } + + /* + * vt6421 has problems talking to some drives. The following + * is the fix from Joseph Chan <JosephChan@via.com.tw>. + * + * When host issues HOLD, device may send up to 20DW of data + * before acknowledging it with HOLDA and the host should be + * able to buffer them in FIFO. Unfortunately, some WD drives + * send upto 40DW before acknowledging HOLD and, in the + * default configuration, this ends up overflowing vt6421's + * FIFO, making the controller abort the transaction with + * R_ERR. + * + * Rx52[2] is the internal 128DW FIFO Flow control watermark + * adjusting mechanism enable bit and the default value 0 + * means host will issue HOLD to device when the left FIFO + * size goes below 32DW. Setting it to 1 makes the watermark + * 64DW. + * + * https://bugzilla.kernel.org/show_bug.cgi?id=15173 + * http://article.gmane.org/gmane.linux.ide/46352 + */ + if (pdev->device == 0x3249) { + pci_read_config_byte(pdev, 0x52, &tmp8); + tmp8 |= 1 << 2; + pci_write_config_byte(pdev, 0x52, tmp8); + } } static int svia_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) @@ -628,7 +655,7 @@ static int svia_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) svia_configure(pdev); pci_set_master(pdev); - return ata_host_activate(host, pdev->irq, ata_sff_interrupt, + return ata_host_activate(host, pdev->irq, ata_bmdma_interrupt, IRQF_SHARED, &svia_sht); } diff --git a/drivers/ata/sata_vsc.c b/drivers/ata/sata_vsc.c index 2107952..b777176 100644 --- a/drivers/ata/sata_vsc.c +++ b/drivers/ata/sata_vsc.c @@ -245,7 +245,7 @@ static void vsc_port_intr(u8 port_status, struct ata_port *ap) qc = ata_qc_from_tag(ap, ap->link.active_tag); if (qc && likely(!(qc->tf.flags & ATA_TFLAG_POLLING))) - handled = ata_sff_host_intr(ap, qc); + handled = ata_bmdma_port_intr(ap, qc); /* We received an interrupt during a polled command, * or some other spurious condition. Interrupt reporting |
