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Message-Id: <20080209151701.56CAB1B41D1@basil.firstfloor.org> Date: Sat, 9 Feb 2008 16:17:01 +0100 (CET) From: Andi Kleen <ak@...e.de> To: tglx@...utronix.de, mingo@...e.hu, linux-kernel@...r.kernel.org Subject: [PATCH] [5/5] Enable ACPI extended century handling for 32bit too v2 Not that it matters much, see comment in the code. v2: Fix compilation on !ACPI, pointed out by tglx Signed-off-by: Andi Kleen <ak@...e.de> --- arch/x86/kernel/rtc.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) Index: linux/arch/x86/kernel/rtc.c =================================================================== --- linux.orig/arch/x86/kernel/rtc.c +++ linux/arch/x86/kernel/rtc.c @@ -112,8 +112,11 @@ unsigned long mach_get_cmos_time(void) mon = CMOS_READ(RTC_MONTH); year = CMOS_READ(RTC_YEAR); -#if defined(CONFIG_ACPI) && defined(CONFIG_X86_64) - /* CHECKME: Is this really 64bit only ??? */ +#ifdef CONFIG_ACPI + /* + * On 32bit not strictly needed because the world ends in 2038 + * and the code can handle that with the 2 digit heuristics. + */ if (acpi_gbl_FADT.header.revision >= FADT2_REVISION_ID && acpi_gbl_FADT.century) century = CMOS_READ(acpi_gbl_FADT.century); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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