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pata_bk3710: clear status bits of BMISP on chipset initialization 

Clear IORDYINT, INTRSTAT and DMAERROR bits of BMISP register
(value '1' needs to be written to the bit to clear it).

Suggested-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Acked-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz 2017-03-22 19:21:00 +01:00 committed by Sekhar Nori
parent c217ff26b0
commit 396ff64d44
1 changed files with 1 additions and 1 deletions
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2
drivers/ata/pata_bk3710.c
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@ -276,7 +276,7 @@ static void pata_bk3710_chipinit(void __iomem *base)
* (ATA_BMISP_INTRSTAT , CLEAR) |
* (ATA_BMISP_DMAERROR , CLEAR)
*/
iowrite16(0, base + BK3710_BMISP);
iowrite16(0xE, base + BK3710_BMISP);
pata_bk3710_setpiomode(base, NULL, 0, 600, 0);
pata_bk3710_setpiomode(base, NULL, 1, 600, 0);