| From | Bartlomiej Zolnierkiewicz <> | Date | Wed, 25 Nov 2009 18:05:32 +0100 | Subject | [PATCH 27/86] pata_cs5535: no need to program PIO0 timings during device init |
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From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Subject: [PATCH] pata_cs5535: no need to program PIO0 timings during device init
Core libata code takes care of it nowadays.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> --- drivers/ata/pata_cs5535.c | 12 ------------ 1 file changed, 12 deletions(-)
Index: b/drivers/ata/pata_cs5535.c =================================================================== --- a/drivers/ata/pata_cs5535.c +++ b/drivers/ata/pata_cs5535.c @@ -67,8 +67,6 @@ #define CS5535_CABLE_DETECT 0x48 -#define CS5535_BAD_PIO(timings) ( (timings&~0x80000000UL)==0x00009172 ) - /** * cs5535_cable_detect - detect cable type * @ap: Port to detect on @@ -188,16 +186,6 @@ static int cs5535_init_one(struct pci_de }; const struct ata_port_info *ppi[] = { &info, &ata_dummy_port_info }; - u32 timings, dummy; - - /* Check the BIOS set the initial timing clock. If not set the - timings for PIO0 */ - rdmsr(ATAC_CH0D0_PIO, timings, dummy); - if (CS5535_BAD_PIO(timings)) - wrmsr(ATAC_CH0D0_PIO, 0xF7F4F7F4UL, 0); - 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); }
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