efi rtc depends on efi runtime services, so if efi runtime services are not
usable it should error out.
Without this patch rtc-efi will panic with 'noefi' boot
Signed-off-by: Dave Young <dyo...@redhat.com>
---
drivers/rtc/rtc-efi.c | 3 +++
1 file changed, 3 insertions(+)
Index: linux-2.6/drivers/rtc/rtc-efi.c
===================================================================
--- linux-2.6.orig/drivers/rtc/rtc-efi.c
+++ linux-2.6/drivers/rtc/rtc-efi.c
@@ -191,6 +191,9 @@ static int __init efi_rtc_probe(struct p
{
struct rtc_device *rtc;
+ if (!efi_enabled(EFI_RUNTIME_SERVICES))
+ return -ENODEV;
+
rtc = devm_rtc_device_register(&dev->dev, "rtc-efi", &efi_rtc_ops,
THIS_MODULE);
if (IS_ERR(rtc))
--
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