* [PATCH] Input: pxa27x_keypad - Make use of the helper function dev_err_probe()
@ 2021-09-16 15:33 Cai Huoqing
0 siblings, 0 replies; only message in thread
From: Cai Huoqing @ 2021-09-16 15:33 UTC (permalink / raw)
To: caihuoqing; +Cc: Dmitry Torokhov, linux-input, linux-kernel
When possible use dev_err_probe help to properly deal with the
PROBE_DEFER error, the benefit is that DEFER issue will be logged
in the devices_deferred debugfs file.
Using dev_err_probe() can reduce code size, and the error value
gets printed.
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
---
drivers/input/keyboard/pxa27x_keypad.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/input/keyboard/pxa27x_keypad.c b/drivers/input/keyboard/pxa27x_keypad.c
index a7f8257c8a02..9e72bcdd864a 100644
--- a/drivers/input/keyboard/pxa27x_keypad.c
+++ b/drivers/input/keyboard/pxa27x_keypad.c
@@ -754,10 +754,9 @@ static int pxa27x_keypad_probe(struct platform_device *pdev)
return PTR_ERR(keypad->mmio_base);
keypad->clk = devm_clk_get(&pdev->dev, NULL);
- if (IS_ERR(keypad->clk)) {
- dev_err(&pdev->dev, "failed to get keypad clock\n");
- return PTR_ERR(keypad->clk);
- }
+ if (IS_ERR(keypad->clk))
+ return dev_err_probe(&pdev->dev, PTR_ERR(keypad->clk),
+ "failed to get keypad clock\n");
input_dev->name = pdev->name;
input_dev->id.bustype = BUS_HOST;
--
2.25.1
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2021-09-16 15:33 [PATCH] Input: pxa27x_keypad - Make use of the helper function dev_err_probe() Cai Huoqing
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