rtc: spear: switch to devm_rtc_allocate_device

Switch to devm_rtc_allocate_device/devm_rtc_register_device, this allows
for further improvement of the driver.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Link: https://lore.kernel.org/r/20220309162301.61679-18-alexandre.belloni@bootlin.com

diff --git a/drivers/rtc/rtc-spear.c b/drivers/rtc/rtc-spear.c
index b4a5200..1b40380 100644 (file)
--- a/drivers/rtc/rtc-spear.c
+++ b/drivers/rtc/rtc-spear.c
@@ -352,6 +352,10 @@ static int spear_rtc_probe(struct platform_device *pdev)
        if (!config)
                return -ENOMEM;
 
+       config->rtc = devm_rtc_allocate_device(&pdev->dev);
+       if (IS_ERR(config->rtc))
+               return PTR_ERR(config->rtc);
+
        /* alarm irqs */
        irq = platform_get_irq(pdev, 0);
        if (irq < 0)
@@ -380,17 +384,13 @@ static int spear_rtc_probe(struct platform_device *pdev)
        spin_lock_init(&config->lock);
        platform_set_drvdata(pdev, config);
 
-       config->rtc = devm_rtc_device_register(&pdev->dev, pdev->name,
-                                       &spear_rtc_ops, THIS_MODULE);
-       if (IS_ERR(config->rtc)) {
-               dev_err(&pdev->dev, "can't register RTC device, err %ld\n",
-                               PTR_ERR(config->rtc));
-               status = PTR_ERR(config->rtc);
-               goto err_disable_clock;
-       }
-
+       config->rtc->ops = &spear_rtc_ops;
        config->rtc->uie_unsupported = 1;
 
+       status = devm_rtc_register_device(config->rtc);
+       if (status)
+               goto err_disable_clock;
+
        if (!device_can_wakeup(&pdev->dev))
                device_init_wakeup(&pdev->dev, 1);