lkml.org 
[lkml]   [2008]   [Feb]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] [5/5] Enable ACPI extended century handling for 32bit too v2
Date

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@suse.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);

\
 
 \ /
  Last update: 2008-02-09 16:21    [W:0.077 / U:1.156 seconds]
©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site