Messages in this thread Patch in this message | | | From | Bartlomiej Zolnierkiewicz <> | Subject | [PATCH v3 3/5] pata_bk3710: clear status bits of BMISP on chipset initialization | Date | Wed, 22 Mar 2017 19:21:00 +0100 |
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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> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> --- drivers/ata/pata_bk3710.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/ata/pata_bk3710.c b/drivers/ata/pata_bk3710.c index f22e4bf..6c3bd5f 100644 --- a/drivers/ata/pata_bk3710.c +++ b/drivers/ata/pata_bk3710.c @@ -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); -- 1.9.1
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