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 <dyoung@xxxxxxxxxx>
---
drivers/rtc/rtc-efi.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/rtc/rtc-efi.c b/drivers/rtc/rtc-efi.c
index c4c3843..ca2487b 100644
--- a/drivers/rtc/rtc-efi.c
+++ b/drivers/rtc/rtc-efi.c
@@ -191,6 +191,9 @@ static int __init efi_rtc_probe(struct platform_device *dev)
{
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))
--
1.8.3.1
--
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