[PATCH 1/1] watchdog: stm32_iwdg: don't print an error on probe deferral

From: Christophe Roullier
Date: Fri Nov 06 2020 - 04:47:07 EST


From: Etienne Carriere <etienne.carriere@xxxxxx>

Do not print an error trace when deferring probe for clock resources.

Signed-off-by: Etienne Carriere <etienne.carriere@xxxxxx>
Signed-off-by: Christophe Roullier <christophe.roullier@xxxxxx>
---
drivers/watchdog/stm32_iwdg.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/watchdog/stm32_iwdg.c b/drivers/watchdog/stm32_iwdg.c
index 25188d6bbe15..1b71c205cee0 100644
--- a/drivers/watchdog/stm32_iwdg.c
+++ b/drivers/watchdog/stm32_iwdg.c
@@ -163,7 +163,8 @@ static int stm32_iwdg_clk_init(struct platform_device *pdev,

wdt->clk_lsi = devm_clk_get(dev, "lsi");
if (IS_ERR(wdt->clk_lsi)) {
- dev_err(dev, "Unable to get lsi clock\n");
+ if (PTR_ERR(wdt->clk_lsi) != -EPROBE_DEFER)
+ dev_err(dev, "Unable to get lsi clock\n");
return PTR_ERR(wdt->clk_lsi);
}

@@ -171,7 +172,8 @@ static int stm32_iwdg_clk_init(struct platform_device *pdev,
if (wdt->data->has_pclk) {
wdt->clk_pclk = devm_clk_get(dev, "pclk");
if (IS_ERR(wdt->clk_pclk)) {
- dev_err(dev, "Unable to get pclk clock\n");
+ if (PTR_ERR(wdt->clk_pclk) != -EPROBE_DEFER)
+ dev_err(dev, "Unable to get pclk clock\n");
return PTR_ERR(wdt->clk_pclk);
}

--
2.17.1