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Date: Thu, 16 Apr 2020 15:23:55 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Piotr Sroka <piotrs@...ence.com>, Miquel Raynal <miquel.raynal@...tlin.com> Subject: [PATCH 5.6 146/254] mtd: rawnand: cadence: reinit completion before executing a new command From: Piotr Sroka <piotrs@...ence.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@...r.kernel.org Signed-off-by: Piotr Sroka <piotrs@...ence.com> Signed-off-by: Miquel Raynal <miquel.raynal@...tlin.com> Link: https://lore.kernel.org/linux-mtd/1581328530-29966-4-git-send-email-piotrs@cadence.com Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.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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