[PATCH] mtd: nand: mtk: deselect the chip that was selected in resume function

xiaolei.li at mediatek.com xiaolei.li at mediatek.com
Tue Oct 31 23:19:57 PDT 2017


From: Xiaolei Li <xiaolei.li at mediatek.com>

It is necessary to deselect the chip if it was selected before.
But now we only select chips when resume nand driver.
So, deselect the chip after doing nand reset.

Signed-off-by: Xiaolei Li <xiaolei.li at mediatek.com>
---
 drivers/mtd/nand/mtk_nand.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mtd/nand/mtk_nand.c b/drivers/mtd/nand/mtk_nand.c
index d86a7d1..a8bf61a 100644
--- a/drivers/mtd/nand/mtk_nand.c
+++ b/drivers/mtd/nand/mtk_nand.c
@@ -1557,6 +1557,7 @@ static int mtk_nfc_resume(struct device *dev)
 		for (i = 0; i < chip->nsels; i++) {
 			nand->select_chip(mtd, i);
 			nand->cmdfunc(mtd, NAND_CMD_RESET, -1, -1);
+			nand->select_chip(mtd, -1);
 		}
 	}
 
-- 
1.9.1




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