The rtc-generic driver provides an architecture specific
wrapper on top of the generic rtc_class_ops abstraction,
and m68k has another abstraction on top, which is a bit
silly.
This changes the m68k rtc-generic device to provide its
rtc_class_ops directly, to reduce the number of layers
by one.
Signed-off-by: Arnd Bergmann <a...@arndb.de>
---
arch/m68k/kernel/time.c | 22 +++++++++++++++++++++-
1 file changed, 21 insertions(+), 1 deletion(-)
diff --git a/arch/m68k/kernel/time.c b/arch/m68k/kernel/time.c
index 3857737e3958..773b2187210d 100644
--- a/arch/m68k/kernel/time.c
+++ b/arch/m68k/kernel/time.c
@@ -87,6 +87,23 @@ void read_persistent_clock(struct timespec *ts)
}
#ifdef CONFIG_ARCH_USES_GETTIMEOFFSET
+static int rtc_generic_get_time(struct device *dev, struct rtc_time *tm)
+{
+ mach_hwclk(0, tm);
+ return rtc_valid_tm(tm);
+}
+
+static int rtc_generic_set_time(struct device *dev, struct rtc_time *tm)
+{
+ if (mach_hwclk(1, tm) < 0)
+ return -EOPNOTSUPP;
+ return 0;
+}
+
+static const struct rtc_class_ops generic_rtc_ops = {
+ .read_time = rtc_generic_get_time,
+ .set_time = rtc_generic_set_time,
+};
static int __init rtc_init(void)
{
@@ -95,7 +112,10 @@ static int __init rtc_init(void)
if (!mach_hwclk)
return -ENODEV;
- pdev = platform_device_register_simple("rtc-generic", -1, NULL, 0);
+ /* or just call devm_rtc_device_register instead? */
+ pdev = platform_device_register_data(NULL, "rtc-generic", -1,
+ &generic_rtc_ops,
+ sizeof(generic_rtc_ops));
return PTR_ERR_OR_ZERO(pdev);
}
--
2.7.0
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