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Date: Fri, 13 Oct 2017 00:06:45 +0200 From: Alexandre Belloni <alexandre.belloni@...e-electrons.com> To: linux-rtc@...r.kernel.org Cc: linux-kernel@...r.kernel.org, Alexandre Belloni <alexandre.belloni@...e-electrons.com> Subject: [PATCH 2/2] rtc: omap: switch to rtc_register_device This removes a possible race condition and crash and allows for further improvement of the driver. Signed-off-by: Alexandre Belloni <alexandre.belloni@...e-electrons.com> --- drivers/rtc/rtc-omap.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/rtc/rtc-omap.c b/drivers/rtc/rtc-omap.c index 3bdc041fc2e9..d56d937966dc 100644 --- a/drivers/rtc/rtc-omap.c +++ b/drivers/rtc/rtc-omap.c @@ -797,13 +797,14 @@ static int omap_rtc_probe(struct platform_device *pdev) device_init_wakeup(&pdev->dev, true); - rtc->rtc = devm_rtc_device_register(&pdev->dev, pdev->name, - &omap_rtc_ops, THIS_MODULE); + rtc->rtc = devm_rtc_allocate_device(&pdev->dev); if (IS_ERR(rtc->rtc)) { ret = PTR_ERR(rtc->rtc); goto err; } + rtc->rtc->ops = &omap_rtc_ops; + /* handle periodic and alarm irqs */ ret = devm_request_irq(&pdev->dev, rtc->irq_timer, rtc_irq, 0, dev_name(&rtc->rtc->dev), rtc); @@ -834,6 +835,10 @@ static int omap_rtc_probe(struct platform_device *pdev) goto err; } + ret = rtc_register_device(rtc->rtc); + if (ret) + goto err; + return 0; err: -- 2.14.2
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