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* scsi/NCR5380: merge sun3_scsi_vme.c into sun3_scsi.cFinn Thain2014-05-281-582/+1
| | | | | | | | | | | | | | The sun3 drivers suffer from a whole bunch of duplicated code. Fix this by following the g_NCR5380_mmio example. (Notionally, sun3_scsi relates to sun3_scsi_vme in the same way that g_NCR5380 relates to g_NCR5380_mmio.) Dead code is also removed: we now have working debug macros so SUN3_SCSI_DEBUG is undesirable. Dead code within #ifdef OLD_DMA is also dropped, consistent with sun3_scsi_vme.c. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Acked-by: Sam Creasey <sammy@sammy.net> Signed-off-by: Christoph Hellwig <hch@lst.de>
* scsi/NCR5380: reduce depth of sun3_scsi nested includesFinn Thain2014-05-281-0/+1
| | | | | | | | | | | | Move the #include "NCR5380.h" out of the sun3_scsi.h header file and into the driver .c files, like all the other NCR5380 drivers in the tree. This improves uniformity and reduces the depth of nested includes. The sequence of #include's, #define's and #if's no longer does my head in. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Acked-by: Sam Creasey <sammy@sammy.net> Signed-off-by: Christoph Hellwig <hch@lst.de>
* scsi/NCR5380: fix and standardize NDEBUG macrosFinn Thain2014-05-281-6/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | All three NCR5380 core driver implementations share the same NCR5380.h header file so they need to agree on certain macro definitions. The flag bit used by the NDEBUG_MERGING macro in atari_NCR5380 and sun3_NCR5380 collides with the bit used by NDEBUG_LISTS. Moreover, NDEBUG_ABORT appears in NCR5380.c so it should be defined in NCR5380.h rather than in each of the many drivers using that core. An undefined NDEBUG_ABORT macro caused compiler errors and led to dodgy workarounds in the core driver that can now be removed. (See commits f566a576bca09de85bf477fc0ab2c8c96405b77b and 185a7a1cd79b9891e3c17abdb103ba1c98d6ca7a.) Move all of the NDEBUG_ABORT, NDEBUG_TAGS and NDEBUG_MERGING macro definitions into NCR5380.h where all the other NDEBUG macros live. Also, incorrect "#ifdef NDEBUG" becomes "#if NDEBUG" to fix the warning: drivers/scsi/mac_scsi.c: At top level: drivers/scsi/NCR5380.c:418: warning: 'NCR5380_print' defined but not used drivers/scsi/NCR5380.c:459: warning: 'NCR5380_print_phase' defined but not used The debugging code is now enabled when NDEBUG != 0. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Acked-by: Sam Creasey <sammy@sammy.net> Signed-off-by: Christoph Hellwig <hch@lst.de>
* Remove all #inclusions of asm/system.hDavid Howells2012-03-281-1/+0
| | | | | | | | | Remove all #inclusions of asm/system.h preparatory to splitting and killing it. Performed with the following command: perl -p -i -e 's!^#\s*include\s*<asm/system[.]h>.*\n!!' `grep -Irl '^#\s*include\s*<asm/system[.]h>' *` Signed-off-by: David Howells <dhowells@redhat.com>
* [SCSI] sun3: Add various missing NDEBUG* definitionsGeert Uytterhoeven2011-06-291-2/+6
| | | | | | | | | | | | This fixes a.o.: drivers/scsi/sun3_scsi.h:225:5: warning: "NDEBUG" is not defined drivers/scsi/sun3_scsi.h:345:14: warning: "NDEBUG_ABORT" is not defined drivers/scsi/sun3_scsi.h:351:14: warning: "NDEBUG_TAGS" is not defined drivers/scsi/sun3_scsi.h:357:14: warning: "NDEBUG_MERGING" is not defined Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] sun3: Provide a dummy NCR5380_exit()Geert Uytterhoeven2011-06-291-0/+1
| | | | | | | | | | | and call it from sun3scsi_release(), cfr. the other NCR5380 drivers. This fixes: drivers/scsi/NCR5380.h:303: warning: ‘NCR5380_exit’ declared ‘static’ but never defined Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] sun3: sun3scsi_detect() and NCR5380_init() should be __initGeert Uytterhoeven2011-06-291-1/+1
| | | | | | | | | | WARNING: vmlinux.o(.text+0x18545c): Section mismatch in reference from the function sun3scsi_detect() to the function .init.text:NCR5380_print_options() WARNING: vmlinux.o(.text+0x18556c): Section mismatch in reference from the function sun3scsi_detect() to the function .init.text:NCR5380_print_options() WARNING: vmlinux.o(.text+0x187692): Section mismatch in reference from the function sun3scsi_detect() to the function .init.text:NCR5380_print_options() WARNING: vmlinux.o(.text+0x187770): Section mismatch in reference from the function sun3scsi_detect() to the function .init.text:NCR5380_print_options() Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* block: remove wrappers for request type/flagsChristoph Hellwig2010-08-071-1/+1
| | | | | | | | | Remove all the trivial wrappers for the cmd_type and cmd_flags fields in struct requests. This allows much easier grepping for different request types instead of unwinding through macros. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
* [SCSI] sun3_scsi_vme: add MODULE_LICENSEAdrian Bunk2008-04-161-0/+1
| | | | | | | This patch adds the missing MODULE_LICENSE("GPL"). Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] NCR5380: Fix bugs and canonicalize irq handler usageJeff Garzik2007-11-251-2/+2
| | | | | | | | | | | | | | | | | | | | | | * Always pass the same value to free_irq() that we pass to request_irq(). This fixes several bugs. * Always call NCR5380_intr() with 'irq' and 'dev_id' arguments. Note, scsi_falcon_intr() is the only case now where dev_id is not the scsi_host. * Always pass Scsi_Host to request_irq(). For most cases, the drivers already did so, and I merely neated the source code line. In other cases, either NULL or a non-sensical value was passed, verified to be unused, then changed to be Scsi_Host in anticipation of the future. In addition to the bugs fixes, this change makes the interface usage consistent, which in turn enables the possibility of directly referencing Scsi_Host from all NCR5380_intr() invocations. Signed-off-by: Jeff Garzik <jgarzik@redhat.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [PATCH] remove many unneeded #includes of sched.hTim Schmielau2007-02-141-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | After Al Viro (finally) succeeded in removing the sched.h #include in module.h recently, it makes sense again to remove other superfluous sched.h includes. There are quite a lot of files which include it but don't actually need anything defined in there. Presumably these includes were once needed for macros that used to live in sched.h, but moved to other header files in the course of cleaning it up. To ease the pain, this time I did not fiddle with any header files and only removed #includes from .c-files, which tend to cause less trouble. Compile tested against 2.6.20-rc2 and 2.6.20-rc2-mm2 (with offsets) on alpha, arm, i386, ia64, mips, powerpc, and x86_64 with allnoconfig, defconfig, allmodconfig, and allyesconfig as well as a few randconfigs on x86_64 and all configs in arch/arm/configs on arm. I also checked that no new warnings were introduced by the patch (actually, some warnings are removed that were emitted by unnecessarily included header files). Signed-off-by: Tim Schmielau <tim@physik3.uni-rostock.de> Acked-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [PATCH] Sun3 SCSI: Make sun3 scsi drivers compile/work againSam Creasey2006-12-091-1/+1
| | | | | | | | | | Make sun3 scsi drivers compile/work again (though with way too many warnings...) Tested on 3/50, 3/60. Signed-off-by: Sam Creasey <sammy@sammy.net> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [SCSI] Scsi_Cmnd convertion in sun3-driverHenne2006-10-251-3/+4
| | | | | | | Change the obsolete Scsi_Cmnd to struct scsi_cmnd in the sun3-driver. Signed-off-by: Henrik Kretzschmar <henne@nachtwindheim.de> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* IRQ: Maintain regs pointer globally rather than passing to IRQ handlersDavid Howells2006-10-051-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Maintain a per-CPU global "struct pt_regs *" variable which can be used instead of passing regs around manually through all ~1800 interrupt handlers in the Linux kernel. The regs pointer is used in few places, but it potentially costs both stack space and code to pass it around. On the FRV arch, removing the regs parameter from all the genirq function results in a 20% speed up of the IRQ exit path (ie: from leaving timer_interrupt() to leaving do_IRQ()). Where appropriate, an arch may override the generic storage facility and do something different with the variable. On FRV, for instance, the address is maintained in GR28 at all times inside the kernel as part of general exception handling. Having looked over the code, it appears that the parameter may be handed down through up to twenty or so layers of functions. Consider a USB character device attached to a USB hub, attached to a USB controller that posts its interrupts through a cascaded auxiliary interrupt controller. A character device driver may want to pass regs to the sysrq handler through the input layer which adds another few layers of parameter passing. I've build this code with allyesconfig for x86_64 and i386. I've runtested the main part of the code on FRV and i386, though I can't test most of the drivers. I've also done partial conversion for powerpc and MIPS - these at least compile with minimal configurations. This will affect all archs. Mostly the changes should be relatively easy. Take do_IRQ(), store the regs pointer at the beginning, saving the old one: struct pt_regs *old_regs = set_irq_regs(regs); And put the old one back at the end: set_irq_regs(old_regs); Don't pass regs through to generic_handle_irq() or __do_IRQ(). In timer_interrupt(), this sort of change will be necessary: - update_process_times(user_mode(regs)); - profile_tick(CPU_PROFILING, regs); + update_process_times(user_mode(get_irq_regs())); + profile_tick(CPU_PROFILING); I'd like to move update_process_times()'s use of get_irq_regs() into itself, except that i386, alone of the archs, uses something other than user_mode(). Some notes on the interrupt handling in the drivers: (*) input_dev() is now gone entirely. The regs pointer is no longer stored in the input_dev struct. (*) finish_unlinks() in drivers/usb/host/ohci-q.c needs checking. It does something different depending on whether it's been supplied with a regs pointer or not. (*) Various IRQ handler function pointers have been moved to type irq_handler_t. Signed-Off-By: David Howells <dhowells@redhat.com> (cherry picked from 1b16e7ac850969f38b375e511e3fa2f474a33867 commit)
* [PATCH] Split struct request ->flags into two partsJens Axboe2006-09-301-1/+1
| | | | | | | | | | Right now ->flags is a bit of a mess: some are request types, and others are just modifiers. Clean this up by splitting it into ->cmd_type and ->cmd_flags. This allows introduction of generic Linux block message types, useful for sending generic Linux commands to block devices. Signed-off-by: Jens Axboe <axboe@suse.de>
* [SCSI] remove Scsi_Host_Template typedefChristoph Hellwig2005-11-091-3/+3
| | | | Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* Linux-2.6.12-rc2v2.6.12-rc2Linus Torvalds2005-04-161-0/+584
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
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