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author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-03-04 13:31:00 -0800 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-03-04 13:31:00 -0800 |
commit | 20b0f65d35ae45d43f363ace3744a775a752d265 (patch) | |
tree | 6085d058cb5ce12bc07368ed897c3689f5239389 /drivers/ide/pci/slc90e66.c | |
parent | 70077f2fab35ed3d73631fc47d8c572b560ecabd (diff) | |
parent | 849138827c962589ac50496fa7feeb2a2d51b467 (diff) | |
download | op-kernel-dev-20b0f65d35ae45d43f363ace3744a775a752d265.zip op-kernel-dev-20b0f65d35ae45d43f363ace3744a775a752d265.tar.gz |
Merge master.kernel.org:/pub/scm/linux/kernel/git/bart/ide-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/bart/ide-2.6:
ide: make legacy IDE VLB modules check for the "probe" kernel params (v2)
ide: remove some obsoleted kernel params (v2)
ide/pci/delkin_cb.c: pci_module_init to pci_register_driver
scc_pata: bugfix for checking DMA IRQ status
ide: remove a ton of pointless #undef REALLY_SLOW_IO
siimage: DRAC4 note
adjust legacy IDE resource setting (v2)
ide: fix pmac breakage
ide-cs: Update device table
ide: ide_get_best_pio_mode() returns incorrect IORDY setting (take 2)
piix/slc90e66: more tuneproc() fixing (take 2)
ide: fix drive side 80c cable check, take 2
cmd64x: fix PIO mode setup (take 3)
alim15x3: fix PIO mode setup
Diffstat (limited to 'drivers/ide/pci/slc90e66.c')
-rw-r--r-- | drivers/ide/pci/slc90e66.c | 38 |
1 files changed, 20 insertions, 18 deletions
diff --git a/drivers/ide/pci/slc90e66.c b/drivers/ide/pci/slc90e66.c index ae7eb58..852ccb3 100644 --- a/drivers/ide/pci/slc90e66.c +++ b/drivers/ide/pci/slc90e66.c @@ -1,8 +1,8 @@ /* - * linux/drivers/ide/pci/slc90e66.c Version 0.13 December 30, 2006 + * linux/drivers/ide/pci/slc90e66.c Version 0.14 February 8, 2007 * * Copyright (C) 2000-2002 Andre Hedrick <andre@linux-ide.org> - * Copyright (C) 2006 MontaVista Software, Inc. <source@mvista.com> + * Copyright (C) 2006-2007 MontaVista Software, Inc. <source@mvista.com> * * This is a look-alike variation of the ICH0 PIIX4 Ultra-66, * but this keeps the ISA-Bridge and slots alive. @@ -57,11 +57,7 @@ static u8 slc90e66_dma_2_pio (u8 xfer_rate) { } } -/* - * Based on settings done by AMI BIOS - * (might be useful if drive is not registered in CMOS for any reason). - */ -static void slc90e66_tune_drive (ide_drive_t *drive, u8 pio) +static void slc90e66_tune_pio (ide_drive_t *drive, u8 pio) { ide_hwif_t *hwif = HWIF(drive); struct pci_dev *dev = hwif->pci_dev; @@ -80,7 +76,6 @@ static void slc90e66_tune_drive (ide_drive_t *drive, u8 pio) { 2, 1 }, { 2, 3 }, }; - pio = ide_get_best_pio_mode(drive, pio, 4, NULL); spin_lock_irqsave(&ide_lock, flags); pci_read_config_word(dev, master_port, &master_data); @@ -94,19 +89,20 @@ static void slc90e66_tune_drive (ide_drive_t *drive, u8 pio) master_data |= 0x4000; master_data &= ~0x0070; if (pio > 1) { - /* enable PPE, IE and TIME */ - master_data = master_data | (control << 4); + /* Set PPE, IE and TIME */ + master_data |= control << 4; } pci_read_config_byte(dev, slave_port, &slave_data); - slave_data = slave_data & (hwif->channel ? 0x0f : 0xf0); - slave_data = slave_data | (((timings[pio][0] << 2) | timings[pio][1]) << (hwif->channel ? 4 : 0)); + slave_data &= hwif->channel ? 0x0f : 0xf0; + slave_data |= ((timings[pio][0] << 2) | timings[pio][1]) << + (hwif->channel ? 4 : 0); } else { master_data &= ~0x3307; if (pio > 1) { /* enable PPE, IE and TIME */ - master_data = master_data | control; + master_data |= control; } - master_data = master_data | (timings[pio][0] << 12) | (timings[pio][1] << 8); + master_data |= (timings[pio][0] << 12) | (timings[pio][1] << 8); } pci_write_config_word(dev, master_port, master_data); if (is_slave) @@ -114,6 +110,13 @@ static void slc90e66_tune_drive (ide_drive_t *drive, u8 pio) spin_unlock_irqrestore(&ide_lock, flags); } +static void slc90e66_tune_drive (ide_drive_t *drive, u8 pio) +{ + pio = ide_get_best_pio_mode(drive, pio, 4, NULL); + slc90e66_tune_pio(drive, pio); + (void) ide_config_drive_speed(drive, XFER_PIO_0 + pio); +} + static int slc90e66_tune_chipset (ide_drive_t *drive, u8 xferspeed) { ide_hwif_t *hwif = HWIF(drive); @@ -162,8 +165,8 @@ static int slc90e66_tune_chipset (ide_drive_t *drive, u8 xferspeed) pci_write_config_word(dev, 0x4a, reg4a & ~a_speed); } - slc90e66_tune_drive(drive, slc90e66_dma_2_pio(speed)); - return (ide_config_drive_speed(drive, speed)); + slc90e66_tune_pio(drive, slc90e66_dma_2_pio(speed)); + return ide_config_drive_speed(drive, speed); } static int slc90e66_config_drive_for_dma (ide_drive_t *drive) @@ -185,8 +188,7 @@ static int slc90e66_config_drive_xfer_rate (ide_drive_t *drive) return 0; if (ide_use_fast_pio(drive)) - (void)slc90e66_tune_chipset(drive, XFER_PIO_0 + - ide_get_best_pio_mode(drive, 255, 4, NULL)); + slc90e66_tune_drive(drive, 255); return -1; } |