[PATCH 3/9 v3] staging: spi: mt7621: Add return code check on device_reset()

[Stefan Roese <sr@denx.de>]

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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: NeilBrown <neil@brown.name>
Cc: Sankalp Negi <sankalpnegi2310@gmail.com>
Cc: Chuanhong Guo <gch981213@gmail.com>
Cc: John Crispin <john@phrozen.org>
---
v3:
- New patch, changes spilt into separate patches

 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 440c3f77fde8..ca4632740827 100644
--- a/drivers/staging/mt7621-spi/spi-mt7621.c
+++ b/drivers/staging/mt7621-spi/spi-mt7621.c
@@ -321,6 +321,7 @@ 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)
@@ -368,7 +369,11 @@ 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);
 
-- 
2.20.1