From 293c98f15d048148a0130da293cc855721dd4fd8 Mon Sep 17 00:00:00 2001 From: Boris Brezillon Date: Sat, 7 Oct 2017 22:36:52 +0000 Subject: [PATCH] mtd: nand: sunxi: Fix the non-polling case in sunxi_nfc_wait_events() [ 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 Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- 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 { -- 2.17.1