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Message-ID: <20211105030959.730-1-caihuoqing@baidu.com>
Date: Fri, 5 Nov 2021 11:09:59 +0800
From: Cai Huoqing <caihuoqing@...du.com>
To: <caihuoqing@...du.com>
CC: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
"Rafael J. Wysocki" <rafael@...nel.org>,
<linux-kernel@...r.kernel.org>
Subject: [PATCH] driver core: platform: Make use of the helper function dev_err_probe()
When possible using dev_err_probe() helps to properly deal with the
PROBE_DEFER error, the benefit is that DEFER issue will be logged
in the devices_deferred debugfs file.
BTW rename 'dev' to 'pdev'.
Signed-off-by: Cai Huoqing <caihuoqing@...du.com>
---
drivers/base/platform.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 598acf93a360..5befd3258677 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -253,13 +253,14 @@ EXPORT_SYMBOL_GPL(platform_get_irq_optional);
*
* Return: non-zero IRQ number on success, negative error number on failure.
*/
-int platform_get_irq(struct platform_device *dev, unsigned int num)
+int platform_get_irq(struct platform_device *pdev, unsigned int num)
{
int ret;
- ret = platform_get_irq_optional(dev, num);
- if (ret < 0 && ret != -EPROBE_DEFER)
- dev_err(&dev->dev, "IRQ index %u not found\n", num);
+ ret = platform_get_irq_optional(pdev, num);
+ if (ret < 0)
+ return dev_err_probe(&pdev->dev, ret,
+ "IRQ index %u not found\n", num);
return ret;
}
--
2.25.1
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