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Date: Sat, 7 Oct 2017 22:36:52 +0000 From: "Levin, Alexander (Sasha Levin)" <alexander.levin@...izon.com> To: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "stable@...r.kernel.org" <stable@...r.kernel.org> Cc: Boris Brezillon <boris.brezillon@...e-electrons.com>, "Levin, Alexander (Sasha Levin)" <alexander.levin@...izon.com> Subject: [PATCH review for 4.9 28/50] mtd: nand: sunxi: Fix the non-polling case in sunxi_nfc_wait_events() From: Boris Brezillon <boris.brezillon@...e-electrons.com> [ Upstream commit 19649e2c16fbc94b664f7074ec4fa9f15292fdce ] wait_for_completion_timeout() returns 0 if a timeout occurred, 1 otherwise. Fix the sunxi_nfc_wait_events() accordingly. Signed-off-by: Boris Brezillon <boris.brezillon@...e-electrons.com> Signed-off-by: Sasha Levin <alexander.levin@...izon.com> --- drivers/mtd/nand/sunxi_nand.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/mtd/nand/sunxi_nand.c b/drivers/mtd/nand/sunxi_nand.c index 8b8470c4e6d0..f9b2a771096b 100644 --- a/drivers/mtd/nand/sunxi_nand.c +++ b/drivers/mtd/nand/sunxi_nand.c @@ -320,6 +320,10 @@ static int sunxi_nfc_wait_events(struct sunxi_nfc *nfc, u32 events, ret = wait_for_completion_timeout(&nfc->complete, msecs_to_jiffies(timeout_ms)); + if (!ret) + ret = -ETIMEDOUT; + else + ret = 0; writel(0, nfc->regs + NFC_REG_INT); } else { -- 2.11.0
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