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authorLinus Torvalds <torvalds@linux-foundation.org>2009-06-16 11:30:37 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-16 11:30:37 -0700
commit609106b9ac968adbc76ce78c979fc3903a56e16c (patch)
tree4af8b305ab4095870a927ffdb9a5e14eb2107401 /arch/powerpc/kernel/time.c
parent69257cae20640a396f03aa0bf169b815ba66a58a (diff)
parent42e27bfc4bfa42bd905e53be93d862b8e3d80a00 (diff)
downloadop-kernel-dev-609106b9ac968adbc76ce78c979fc3903a56e16c.zip
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Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (38 commits) ps3flash: Always read chunks of 256 KiB, and cache them ps3flash: Cache the last accessed FLASH chunk ps3: Replace direct file operations by callback ps3: Switch ps3_os_area_[gs]et_rtc_diff to EXPORT_SYMBOL_GPL() ps3: Correct debug message in dma_ioc0_map_pages() drivers/ps3: Add missing annotations ps3fb: Use ps3_system_bus_[gs]et_drvdata() instead of direct access ps3flash: Use ps3_system_bus_[gs]et_drvdata() instead of direct access ps3: shorten ps3_system_bus_[gs]et_driver_data to ps3_system_bus_[gs]et_drvdata ps3: Use dev_[gs]et_drvdata() instead of direct access for system bus devices block/ps3: remove driver_data direct access of struct device ps3vram: Make ps3vram_priv.reports a void * ps3vram: Remove no longer used ps3vram_priv.ddr_base ps3vram: Replace mutex by spinlock + bio_list block: Add bio_list_peek() powerpc: Use generic atomic64_t implementation on 32-bit processors lib: Provide generic atomic64_t implementation powerpc: Add compiler memory barrier to mtmsr macro powerpc/iseries: Mark signal_vsp_instruction() as maybe unused powerpc/iseries: Fix unused function warning in iSeries DT code ...
Diffstat (limited to 'arch/powerpc/kernel/time.c')
-rw-r--r--arch/powerpc/kernel/time.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index bee1443..15391c2 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -52,6 +52,7 @@
#include <linux/jiffies.h>
#include <linux/posix-timers.h>
#include <linux/irq.h>
+#include <linux/delay.h>
#include <asm/io.h>
#include <asm/processor.h>
@@ -1143,6 +1144,15 @@ void div128_by_32(u64 dividend_high, u64 dividend_low,
}
+/* We don't need to calibrate delay, we use the CPU timebase for that */
+void calibrate_delay(void)
+{
+ /* Some generic code (such as spinlock debug) use loops_per_jiffy
+ * as the number of __delay(1) in a jiffy, so make it so
+ */
+ loops_per_jiffy = tb_ticks_per_jiffy;
+}
+
static int __init rtc_init(void)
{
struct platform_device *pdev;
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