Commit 396ff64d authored Mar 22, 2017 by Bartlomiej Zolnierkiewicz Committed by Sekhar Nori Mar 30, 2017

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>

parent c217ff26

drivers/ata/pata_bk3710.c

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -276,7 +276,7 @@ static void pata_bk3710_chipinit(void __iomem *base)
	* (ATA_BMISP_INTRSTAT , CLEAR) \|		* (ATA_BMISP_INTRSTAT , CLEAR) \|
	* (ATA_BMISP_DMAERROR , 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, 0, 600, 0);
	pata_bk3710_setpiomode(base, NULL, 1, 600, 0);		pata_bk3710_setpiomode(base, NULL, 1, 600, 0);