[PATCH AUTOSEL 5.0 181/262] staging: spi: mt7621: Add return code check on device_reset()

Sasha Levin
2019-03-27T18:07:51Z

From: Stefan Roese <sr@denx.de>

[ Upstream commit 46c337872f34bc6387b0c29a4964f562c70139e3 ]

This patch adds a return code check on device_reset() and removes the
compile warning.

Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Mark Brown <broonie@kernel.org>
Cc: Sankalp Negi <sankalpnegi2310@gmail.com>
Cc: Chuanhong Guo <gch981213@gmail.com>
Cc: John Crispin <john@phrozen.org>
Reviewed-by: NeilBrown <neil@brown.name>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/staging/mt7621-spi/spi-mt7621.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/mt7621-spi/spi-mt7621.c b/drivers/staging/mt7621-spi/spi-mt7621.c
index 513b6e79b985..e1f50efd0922 100644
--- a/drivers/staging/mt7621-spi/spi-mt7621.c
+++ b/drivers/staging/mt7621-spi/spi-mt7621.c
@@ -330,6 +330,7 @@ static int mt7621_spi_probe(struct platform_device *pdev)
int status = 0;
struct clk *clk;
struct mt7621_spi_ops *ops;
+ int ret;

match = of_match_device(mt7621_spi_match, &pdev->dev);
if (!match)
@@ -377,7 +378,11 @@ static int mt7621_spi_probe(struct platform_device *pdev)
rs->pending_write = 0;
dev_info(&pdev->dev, "sys_freq: %u\n", rs->sys_freq);

- device_reset(&pdev->dev);
+ ret = device_reset(&pdev->dev);
+ if (ret) {
+ dev_err(&pdev->dev, "SPI reset failed!\n");
+ return ret;
+ }

mt7621_spi_reset(rs);

--
2.19.1