diff options
| author | Christophe JAILLET <christophe.jaillet@wanadoo.fr> | 2023-06-08 22:12:00 +0300 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2023-06-26 01:53:19 +0300 |
| commit | 0e6f36cca1bd3f5257315b55d9f31519ea4cc059 (patch) | |
| tree | 58e2ac3bf05b7ee542b2869c2ee8cfa84a7c0cd6 /drivers/rtc | |
| parent | 06c6e1b01d9261f03629cefd1f3553503291e6cf (diff) | |
| download | linux-0e6f36cca1bd3f5257315b55d9f31519ea4cc059.tar.xz | |
rtc: st-lpc: Simplify clk handling in st_rtc_probe()
Use devm_clk_get_enabled() instead of hand writing it. This simplifies
error handling and removes some lines of code.
Also use dev_err_probe() which filters -EPROBE_DEFER.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/992dd8c31be0bb5b8a9d8b5e8e94807ab0848a66.1686251455.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Diffstat (limited to 'drivers/rtc')
| -rw-r--r-- | drivers/rtc/rtc-st-lpc.c | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/drivers/rtc/rtc-st-lpc.c b/drivers/rtc/rtc-st-lpc.c index d04d46f9cc65..d492a2d26600 100644 --- a/drivers/rtc/rtc-st-lpc.c +++ b/drivers/rtc/rtc-st-lpc.c @@ -228,17 +228,13 @@ static int st_rtc_probe(struct platform_device *pdev) enable_irq_wake(rtc->irq); disable_irq(rtc->irq); - rtc->clk = devm_clk_get(&pdev->dev, NULL); - if (IS_ERR(rtc->clk)) { - dev_err(&pdev->dev, "Unable to request clock\n"); - return PTR_ERR(rtc->clk); - } - - clk_prepare_enable(rtc->clk); + rtc->clk = devm_clk_get_enabled(&pdev->dev, NULL); + if (IS_ERR(rtc->clk)) + return dev_err_probe(&pdev->dev, PTR_ERR(rtc->clk), + "Unable to request clock\n"); rtc->clkrate = clk_get_rate(rtc->clk); if (!rtc->clkrate) { - clk_disable_unprepare(rtc->clk); dev_err(&pdev->dev, "Unable to fetch clock rate\n"); return -EINVAL; } @@ -252,10 +248,8 @@ static int st_rtc_probe(struct platform_device *pdev) do_div(rtc->rtc_dev->range_max, rtc->clkrate); ret = devm_rtc_register_device(rtc->rtc_dev); - if (ret) { - clk_disable_unprepare(rtc->clk); + if (ret) return ret; - } return 0; } |