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pata_cs5535: no need to program PIO0 timings during device init
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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>
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Bartlomiej Zolnierkiewicz authored and Jeff Garzik committed Oct 14, 2011
1 parent f4c6ae5 commit 73222c2
Showing 1 changed file with 0 additions and 12 deletions.
12 changes: 0 additions & 12 deletions drivers/ata/pata_cs5535.c
Original file line number Diff line number Diff line change
Expand Up @@ -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
Expand Down Expand Up @@ -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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