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authorCyrill Gorcunov <gorcunov@gmail.com>2008-08-18 20:45:55 +0400
committerIngo Molnar <mingo@elte.hu>2008-08-19 02:07:15 +0200
commitc40aaec6868401671a0ca14ed77e9b2da2d1f223 (patch)
tree18ea19449da6423e71df9306d23caee9cadaea16 /arch/x86/kernel/apic_64.c
parentc43da2f5e92fe3bcc256f0c0d6cb858368da5bd9 (diff)
downloadlwn-c40aaec6868401671a0ca14ed77e9b2da2d1f223.tar.gz
lwn-c40aaec6868401671a0ca14ed77e9b2da2d1f223.zip
x86: apic - unify __setup_APIC_LVTT
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/apic_64.c')
-rw-r--r--arch/x86/kernel/apic_64.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c
index d74abf7e92f7..fe57db9f3fbb 100644
--- a/arch/x86/kernel/apic_64.c
+++ b/arch/x86/kernel/apic_64.c
@@ -259,8 +259,12 @@ int lapic_get_maxlvt(void)
* Local APIC timer
*/
-/* Clock divisor is set to 1 */
+/* Clock divisor */
+#ifdef CONFG_X86_64
#define APIC_DIVISOR 1
+#else
+#define APIC_DIVISOR 16
+#endif
/*
* This function sets up the local APIC timer, with a timeout of
@@ -291,9 +295,9 @@ static void __setup_APIC_LVTT(unsigned int clocks, int oneshot, int irqen)
* Divide PICLK by 16
*/
tmp_value = apic_read(APIC_TDCR);
- apic_write(APIC_TDCR, (tmp_value
- & ~(APIC_TDR_DIV_1 | APIC_TDR_DIV_TMBASE))
- | APIC_TDR_DIV_16);
+ apic_write(APIC_TDCR,
+ (tmp_value & ~(APIC_TDR_DIV_1 | APIC_TDR_DIV_TMBASE)) |
+ APIC_TDR_DIV_16);
if (!oneshot)
apic_write(APIC_TMICT, clocks / APIC_DIVISOR);