Commit 73222c2d authored by Bartlomiej Zolnierkiewicz's avatar Bartlomiej Zolnierkiewicz Committed by Jeff Garzik

pata_cs5535: no need to program PIO0 timings during device init

Core libata code takes care of it nowadays.
Acked-by: default avatarAlan Cox <>
Signed-off-by: default avatarBartlomiej Zolnierkiewicz <>
Signed-off-by: default avatarJeff Garzik <>
parent f4c6ae50
......@@ -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_dev *dev, const struct pci_device_id *id)
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);
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