diff options
| author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2007-06-08 13:14:27 (GMT) |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2007-06-08 13:14:27 (GMT) |
| commit | ed84fad5002c00dfb318f797dbf591320eebc1c0 (patch) | |
| tree | 1580bc3067f9d4362431206eee3e74bdd8c8db33 /drivers/ide | |
| parent | 85f6038f2170e3335dda09c3dfb0f83110e87019 (diff) | |
| download | linux-fsl-qoriq-ed84fad5002c00dfb318f797dbf591320eebc1c0.tar.xz | |
serverworks: remove crappy code
Remove crappy code noticed by Linus, see
http://lkml.org/lkml/2007/5/23/476
for details.
While at it simplify logic a bit.
There should be no functionality changes caused by this patch.
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide')
| -rw-r--r-- | drivers/ide/pci/serverworks.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/ide/pci/serverworks.c b/drivers/ide/pci/serverworks.c index 47bcd91..b04c990 100644 --- a/drivers/ide/pci/serverworks.c +++ b/drivers/ide/pci/serverworks.c @@ -1,5 +1,5 @@ /* - * linux/drivers/ide/pci/serverworks.c Version 0.9 Mar 4 2007 + * linux/drivers/ide/pci/serverworks.c Version 0.10 Jun 2 2007 * * Copyright (C) 1998-2000 Michel Aubry * Copyright (C) 1998-2000 Andrzej Krzysztofowicz @@ -170,7 +170,6 @@ static int svwks_tune_chipset (ide_drive_t *drive, u8 xferspeed) if (!drive->init_speed) { u8 dma_stat = inb(hwif->dma_status); -dma_pio: if (((ultra_enable << (7-drive->dn) & 0x80) == 0x80) && ((dma_stat & (1<<(5+unit))) == (1<<(5+unit)))) { drive->current_speed = drive->init_speed = XFER_UDMA_0 + udma_modes[(ultra_timing >> (4*unit)) & ~(0xF0)]; @@ -179,7 +178,6 @@ dma_pio: ((dma_stat&(1<<(5+unit)))==(1<<(5+unit)))) { u8 dmaspeed = dma_timing; - dma_timing &= ~0xFFU; if ((dmaspeed & 0x20) == 0x20) dmaspeed = XFER_MW_DMA_2; else if ((dmaspeed & 0x21) == 0x21) @@ -190,10 +188,11 @@ dma_pio: goto dma_pio; drive->current_speed = drive->init_speed = dmaspeed; return 0; - } else if (pio_timing) { + } +dma_pio: + if (pio_timing) { u8 piospeed = pio_timing; - pio_timing &= ~0xFFU; if ((piospeed & 0x20) == 0x20) piospeed = XFER_PIO_4; else if ((piospeed & 0x22) == 0x22) @@ -214,8 +213,8 @@ dma_pio: oem_setup_failed: - pio_timing &= ~0xFFU; - dma_timing &= ~0xFFU; + pio_timing = 0; + dma_timing = 0; ultra_timing &= ~(0x0F << (4*unit)); ultra_enable &= ~(0x01 << drive->dn); csb5_pio &= ~(0x0F << (4*drive->dn)); |