2
0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-11-20 16:46:23 +08:00

pata_cs5535: no need to program PIO0 timings during device init

Core libata code takes care of it nowadays.

Acked-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz 2011-10-11 20:04:05 +02:00 committed by Jeff Garzik
parent f4c6ae5020
commit 73222c2ddf

View File

@ -67,8 +67,6 @@
#define CS5535_CABLE_DETECT 0x48 #define CS5535_CABLE_DETECT 0x48
#define CS5535_BAD_PIO(timings) ( (timings&~0x80000000UL)==0x00009172 )
/** /**
* cs5535_cable_detect - detect cable type * cs5535_cable_detect - detect cable type
* @ap: Port to detect on * @ap: Port to detect on
@ -188,16 +186,6 @@ static int cs5535_init_one(struct pci_dev *dev, const struct pci_device_id *id)
}; };
const struct ata_port_info *ppi[] = { &info, &ata_dummy_port_info }; 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_bmdma_init_one(dev, ppi, &cs5535_sht, NULL, 0); return ata_pci_bmdma_init_one(dev, ppi, &cs5535_sht, NULL, 0);
} }