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authorGrygorii Strashko <grygorii.strashko@ti.com>2020-10-30 23:12:54 +0300
committerThierry Reding <thierry.reding@gmail.com>2020-12-17 16:18:49 +0300
commit44db5363fab8c91292ee6083493f1fd50201ed86 (patch)
tree2d9c61d42f06ccf9795f0807a92be0e4dcbd4237 /drivers/pwm
parente3aa45f2f88b6779ab798c63a4deb7ddff949ac7 (diff)
downloadlinux-44db5363fab8c91292ee6083493f1fd50201ed86.tar.xz
pwm: tiehrpwm: Handle deferred probe with dev_err_probe()
The devm_clk_get() may return -EPROBE_DEFER which is not handled properly by TI EHRPWM driver and causes unnecessary boot log messages. Hence, add proper deferred probe handling with new dev_err_probe() API. Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com> Reviewed-by: Vignesh Raghavendra <vigneshr@ti.com> Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Diffstat (limited to 'drivers/pwm')
-rw-r--r--drivers/pwm/pwm-tiehrpwm.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/pwm/pwm-tiehrpwm.c b/drivers/pwm/pwm-tiehrpwm.c
index 97dc62fe9175..a7fb224d6535 100644
--- a/drivers/pwm/pwm-tiehrpwm.c
+++ b/drivers/pwm/pwm-tiehrpwm.c
@@ -436,10 +436,8 @@ static int ehrpwm_pwm_probe(struct platform_device *pdev)
}
}
- if (IS_ERR(clk)) {
- dev_err(&pdev->dev, "failed to get clock\n");
- return PTR_ERR(clk);
- }
+ if (IS_ERR(clk))
+ return dev_err_probe(&pdev->dev, PTR_ERR(clk), "Failed to get fck\n");
pc->clk_rate = clk_get_rate(clk);
if (!pc->clk_rate) {
@@ -460,10 +458,8 @@ static int ehrpwm_pwm_probe(struct platform_device *pdev)
/* Acquire tbclk for Time Base EHRPWM submodule */
pc->tbclk = devm_clk_get(&pdev->dev, "tbclk");
- if (IS_ERR(pc->tbclk)) {
- dev_err(&pdev->dev, "Failed to get tbclk\n");
- return PTR_ERR(pc->tbclk);
- }
+ if (IS_ERR(pc->tbclk))
+ return dev_err_probe(&pdev->dev, PTR_ERR(pc->tbclk), "Failed to get tbclk\n");
ret = clk_prepare(pc->tbclk);
if (ret < 0) {