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Patch in this message | | | From | "Levin, Alexander (Sasha Levin)" <> | Subject | [PATCH review for 4.9 28/50] mtd: nand: sunxi: Fix the non-polling case in sunxi_nfc_wait_events() | Date | Sat, 7 Oct 2017 22:36:52 +0000 |
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From: Boris Brezillon <boris.brezillon@free-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@free-electrons.com> Signed-off-by: Sasha Levin <alexander.levin@verizon.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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