diff options
Diffstat (limited to 'drivers/rtc/rtc-pm8xxx.c')
| -rw-r--r-- | drivers/rtc/rtc-pm8xxx.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/drivers/rtc/rtc-pm8xxx.c b/drivers/rtc/rtc-pm8xxx.c index 3c1dddcc81df..e624f848c22b 100644 --- a/drivers/rtc/rtc-pm8xxx.c +++ b/drivers/rtc/rtc-pm8xxx.c @@ -576,13 +576,20 @@ static int pm8xxx_rtc_probe_offset(struct pm8xxx_rtc *rtc_dd) } /* Use UEFI storage as fallback if available */ - if (efivar_is_available()) { - rc = pm8xxx_rtc_read_uefi_offset(rtc_dd); - if (rc == 0) - rtc_dd->use_uefi = true; + rtc_dd->use_uefi = of_property_read_bool(rtc_dd->dev->of_node, + "qcom,uefi-rtc-info"); + if (!rtc_dd->use_uefi) + return 0; + + if (!efivar_is_available()) { + if (IS_ENABLED(CONFIG_EFI)) + return -EPROBE_DEFER; + + dev_warn(rtc_dd->dev, "efivars not available\n"); + rtc_dd->use_uefi = false; } - return 0; + return pm8xxx_rtc_read_uefi_offset(rtc_dd); } static int pm8xxx_rtc_probe(struct platform_device *pdev) @@ -676,7 +683,6 @@ static struct platform_driver pm8xxx_rtc_driver = { module_platform_driver(pm8xxx_rtc_driver); -MODULE_ALIAS("platform:rtc-pm8xxx"); MODULE_DESCRIPTION("PMIC8xxx RTC driver"); MODULE_LICENSE("GPL v2"); MODULE_AUTHOR("Anirudh Ghayal <aghayal@codeaurora.org>"); |