[PATCH 27/86] pata_cs5535: no need to program PIO0 timings during device init

Bartlomiej Zolnierkiewicz
2009-11-25T17:06:22Z

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);
}