diff options
| author | Sergei Shtylyov <sshtylyov@ru.mvista.com> | 2007-02-17 01:40:22 (GMT) |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2007-02-17 01:40:22 (GMT) |
| commit | fed21641be7b31338dcf6753ef7f8a396242a410 (patch) | |
| tree | 9b6f963d016bc69630268a3cc9ac2146dbd4a870 /drivers/ide | |
| parent | 075cb65511df94b6900ef3288a76cd92185d5170 (diff) | |
| download | linux-fed21641be7b31338dcf6753ef7f8a396242a410.tar.xz | |
pdc202xx_old: fix PIO mode setup
Fix the driver's tuneproc() method to always set the PIO mode requested and not
pick the best possible one, rename it to pdc202xx_tune_drive(), and change the
calls to it accordingly; remove the preceding comment which has nothing to do
with the code.
Sergei Shtylyov wrote:
> The tuneproc() method should take arg 255 for auto-selecting the best PIO
> mode, not 5 as it did here + this driver's method always auto-selected instead
> of setting the mode it's been told to -- issue typical to drivers/ide/...
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide')
| -rw-r--r-- | drivers/ide/pci/pdc202xx_old.c | 24 |
1 files changed, 7 insertions, 17 deletions
diff --git a/drivers/ide/pci/pdc202xx_old.c b/drivers/ide/pci/pdc202xx_old.c index 730e8d1..e76c1d9 100644 --- a/drivers/ide/pci/pdc202xx_old.c +++ b/drivers/ide/pci/pdc202xx_old.c @@ -2,6 +2,7 @@ * linux/drivers/ide/pci/pdc202xx_old.c Version 0.36 Sept 11, 2002 * * Copyright (C) 1998-2002 Andre Hedrick <andre@linux-ide.org> + * Copyright (C) 2006-2007 MontaVista Software, Inc. * * Promise Ultra33 cards with BIOS v1.20 through 1.28 will need this * compiled into the kernel if you have more than one card installed. @@ -216,21 +217,10 @@ static int pdc202xx_tune_chipset (ide_drive_t *drive, u8 xferspeed) } -/* 0 1 2 3 4 5 6 7 8 - * 960, 480, 390, 300, 240, 180, 120, 90, 60 - * 180, 150, 120, 90, 60 - * DMA_Speed - * 180, 120, 90, 90, 90, 60, 30 - * 11, 5, 4, 3, 2, 1, 0 - */ -static void config_chipset_for_pio (ide_drive_t *drive, u8 pio) +static void pdc202xx_tune_drive(ide_drive_t *drive, u8 pio) { - u8 speed = 0; - - if (pio == 5) pio = 4; - speed = XFER_PIO_0 + ide_get_best_pio_mode(drive, 255, pio, NULL); - - pdc202xx_tune_chipset(drive, speed); + pio = ide_get_best_pio_mode(drive, pio, 4, NULL); + pdc202xx_tune_chipset(drive, XFER_PIO_0 + pio); } static u8 pdc202xx_old_cable_detect (ide_hwif_t *hwif) @@ -348,7 +338,7 @@ static int pdc202xx_config_drive_xfer_rate (ide_drive_t *drive) } else if ((id->capability & 8) || (id->field_valid & 2)) { fast_ata_pio: - hwif->tuneproc(drive, 5); + pdc202xx_tune_drive(drive, 255); return hwif->ide_dma_off_quietly(drive); } /* IORDY not supported */ @@ -463,7 +453,7 @@ static void pdc202xx_reset (ide_drive_t *drive) pdc202xx_reset_host(hwif); pdc202xx_reset_host(mate); - hwif->tuneproc(drive, 5); + pdc202xx_tune_drive(drive, 255); } static unsigned int __devinit init_chipset_pdc202xx(struct pci_dev *dev, @@ -490,7 +480,7 @@ static void __devinit init_hwif_pdc202xx(ide_hwif_t *hwif) hwif->rqsize = 256; hwif->autodma = 0; - hwif->tuneproc = &config_chipset_for_pio; + hwif->tuneproc = &pdc202xx_tune_drive; hwif->quirkproc = &pdc202xx_quirkproc; if (hwif->pci_dev->device != PCI_DEVICE_ID_PROMISE_20246) |