Commit 95f7679c authored by Valentin Caron's avatar Valentin Caron Committed by Alexandre Belloni
Browse files

rtc: stm32: don't print an error on probe deferral 



Change stm32-rtc driver to not generate an error message when
device probe operation is deferred for a clock.

Signed-off-by: default avatarEtienne Carriere <etienne.carriere@foss.st.com>
Signed-off-by: default avatarValentin Caron <valentin.caron@foss.st.com>
Link: https://lore.kernel.org/r/20230705174357.353616-5-valentin.caron@foss.st.com


Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@bootlin.com>
parent 24879257

drivers/rtc/rtc-stm32.c

+6 −8
Original line number Diff line number Diff line
@@ -6,6 +6,7 @@ 


#include <linux/bcd.h>

#include <linux/clk.h>

#include <linux/errno.h>

#include <linux/iopoll.h>

#include <linux/ioport.h>

#include <linux/mfd/syscon.h>
@@ -759,16 +760,13 @@ static int stm32_rtc_probe(struct platform_device *pdev) 
		rtc->rtc_ck = devm_clk_get(&pdev->dev, NULL);

	} else {

		rtc->pclk = devm_clk_get(&pdev->dev, "pclk");

		if (IS_ERR(rtc->pclk)) {

			dev_err(&pdev->dev, "no pclk clock");

			return PTR_ERR(rtc->pclk);

		}

		if (IS_ERR(rtc->pclk))

			return dev_err_probe(&pdev->dev, PTR_ERR(rtc->pclk), "no pclk clock");



		rtc->rtc_ck = devm_clk_get(&pdev->dev, "rtc_ck");

	}

	if (IS_ERR(rtc->rtc_ck)) {

		dev_err(&pdev->dev, "no rtc_ck clock");

		return PTR_ERR(rtc->rtc_ck);

	}

	if (IS_ERR(rtc->rtc_ck))

		return dev_err_probe(&pdev->dev, PTR_ERR(rtc->rtc_ck), "no rtc_ck clock");



	if (rtc->data->has_pclk) {

		ret = clk_prepare_enable(rtc->pclk);