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Subject[PATCH 5.6 146/254] mtd: rawnand: cadence: reinit completion before executing a new command
Date
From: Piotr Sroka <piotrs@cadence.com>

commit 0d7d6c8183aadb1dcc13f415941404a7913b46b3 upstream.

Reing the completion object before executing CDMA command to make sure
the 'done' flag is OK.

Fixes: ec4ba01e894d ("mtd: rawnand: Add new Cadence NAND driver to MTD subsystem")
Cc: stable@vger.kernel.org
Signed-off-by: Piotr Sroka <piotrs@cadence.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/1581328530-29966-4-git-send-email-piotrs@cadence.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
drivers/mtd/nand/raw/cadence-nand-controller.c | 1 +
1 file changed, 1 insertion(+)

--- a/drivers/mtd/nand/raw/cadence-nand-controller.c
+++ b/drivers/mtd/nand/raw/cadence-nand-controller.c
@@ -997,6 +997,7 @@ static int cadence_nand_cdma_send(struct
return status;

cadence_nand_reset_irq(cdns_ctrl);
+ reinit_completion(&cdns_ctrl->complete);

writel_relaxed((u32)cdns_ctrl->dma_cdma_desc,
cdns_ctrl->reg + CMD_REG2);

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