On 12/28/2012 05:00 PM, joeyli wrote: > 於 五,2012-12-28 於 17:43 +0000,Matthew Garrett 提到: >> On Sat, 2012-12-29 at 00:26 +0800, Lee, Chun-Yi wrote: >>> UEFI time services, GetTime(), SetTime(), GetWakeupTime(), SetWakeupTime() are also >>> supported by other non-IA64 architecutre with UEFI BIOS, e.g. x86. >>> >>> This patch changed RTC_DRV_EFI configuration to depend on EFI but not just IA64. It >>> checks efi_enabled flag and efi-rtc driver should enabled. >> >> In theory, certainly - but do we still have machines that explode if the >> get_time call is made? We may also want to think about disabling the >> legacy access to the RTC if the EFI calls are present. > > The legacy get_time access on my test machine is work fine, not thing > explode. :-) > Just we have a function want to expose the timezone information to > userspace and also store it. > We should indeed save the timezone information if it is available -- either from the ACPI TAD or from the EFI RTC, or even via some platform-dependent mechanism. It is important, though, that that is separate from the order of priority. -hpa -- To unsubscribe from this list: send the line "unsubscribe linux-efi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html