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path: root/arch/powerpc/sysdev/rtc_cmos_setup.c
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Diffstat (limited to 'arch/powerpc/sysdev/rtc_cmos_setup.c')
-rw-r--r--arch/powerpc/sysdev/rtc_cmos_setup.c23
1 files changed, 17 insertions, 6 deletions
diff --git a/arch/powerpc/sysdev/rtc_cmos_setup.c b/arch/powerpc/sysdev/rtc_cmos_setup.c
index c09ddc0dbeb..c1879ebfd4f 100644
--- a/arch/powerpc/sysdev/rtc_cmos_setup.c
+++ b/arch/powerpc/sysdev/rtc_cmos_setup.c
@@ -21,6 +21,7 @@ static int __init add_rtc(void)
struct device_node *np;
struct platform_device *pd;
struct resource res[2];
+ unsigned int num_res = 1;
int ret;
memset(&res, 0, sizeof(res));
@@ -41,14 +42,24 @@ static int __init add_rtc(void)
if (res[0].start != RTC_PORT(0))
return -EINVAL;
- /* Use a fixed interrupt value of 8 since on PPC if we are using this
- * its off an i8259 which we ensure has interrupt numbers 0..15. */
- res[1].start = 8;
- res[1].end = 8;
- res[1].flags = IORESOURCE_IRQ;
+ np = of_find_compatible_node(NULL, NULL, "chrp,iic");
+ if (!np)
+ np = of_find_compatible_node(NULL, NULL, "pnpPNP,000");
+ if (np) {
+ of_node_put(np);
+ /*
+ * Use a fixed interrupt value of 8 since on PPC if we are
+ * using this its off an i8259 which we ensure has interrupt
+ * numbers 0..15.
+ */
+ res[1].start = 8;
+ res[1].end = 8;
+ res[1].flags = IORESOURCE_IRQ;
+ num_res++;
+ }
pd = platform_device_register_simple("rtc_cmos", -1,
- &res[0], 2);
+ &res[0], num_res);
if (IS_ERR(pd))
return PTR_ERR(pd);