Merge tag 'rtc-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux

[deliverable/linux.git] / arch / powerpc / kernel / time.c

diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index 4e7759c8ca308427d81c7d4a9ec9b29e22855178..3efbedefba6a9fdf41095cd84b599f2d7e8b7748 100644 (file)
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -56,6 +56,7 @@
 #include <linux/irq_work.h>
 #include <linux/clk-provider.h>
 #include <linux/suspend.h>
+#include <linux/rtc.h>
 #include <asm/trace.h>
 
 #include <asm/io.h>
@@ -1159,6 +1160,29 @@ void calibrate_delay(void)
        loops_per_jiffy = tb_ticks_per_jiffy;
 }
 
+#if IS_ENABLED(CONFIG_RTC_DRV_GENERIC)
+static int rtc_generic_get_time(struct device *dev, struct rtc_time *tm)
+{
+       ppc_md.get_rtc_time(tm);
+       return rtc_valid_tm(tm);
+}
+
+static int rtc_generic_set_time(struct device *dev, struct rtc_time *tm)
+{
+       if (!ppc_md.set_rtc_time)
+               return -EOPNOTSUPP;
+
+       if (ppc_md.set_rtc_time(tm) < 0)
+               return -EOPNOTSUPP;
+
+       return 0;
+}
+
+static const struct rtc_class_ops rtc_generic_ops = {
+       .read_time = rtc_generic_get_time,
+       .set_time = rtc_generic_set_time,
+};
+
 static int __init rtc_init(void)
 {
        struct platform_device *pdev;
@@ -1166,9 +1190,12 @@ static int __init rtc_init(void)
        if (!ppc_md.get_rtc_time)
                return -ENODEV;
 
-       pdev = platform_device_register_simple("rtc-generic", -1, NULL, 0);
+       pdev = platform_device_register_data(NULL, "rtc-generic", -1,
+                                            &rtc_generic_ops,
+                                            sizeof(rtc_generic_ops));
 
        return PTR_ERR_OR_ZERO(pdev);
 }
 
 device_initcall(rtc_init);
+#endif