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authorHeiko Schocher <hs@denx.de>2010-11-22 21:30:33 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2010-12-09 15:35:31 +1100
commit364a1246522f99cbe58040e99af007ada31034ed (patch)
tree1b37c5a9dfbf6bd566c2476d7f2e781bcfbb495a /arch
parentbee376ff4c1fc178031dad51ba38ff18a98a39c8 (diff)
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powerpc/time: printk time stamp init not correct
problem: I see sometimes on my mpc5200 based board such printk timing information: [ 0.000000] NR_IRQS:512 nr_irqs:512 16 [ 0.000000] MPC52xx PIC is up and running! [ 0.000000] clocksource: timebase mult[79364d9] shift[22] registered [ 0.000000] console [ttyPSC0] enabled [ 130.300633] pid_max: default: 32768 minimum: 301 [ 130.305647] Mount-cache hash table entries: 512 [ 130.315818] NET: Registered protocol family 16 reason: if the tbu not starts from 0 when linux boots, boot_tb maybe could not store the real 64 bit tbu value, because boot_tp is only a 32 bit unsigned long. solution: change boot_tb to u64 [BenH: Made it u64 instead of unsigned long long] Signed-off-by: Heiko Schocher <hs@denx.de> cc: Wolfgang Denk <wd@denx.de> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/kernel/time.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index 0104069..09e4dea 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -155,7 +155,7 @@ EXPORT_SYMBOL_GPL(rtc_lock);
static u64 tb_to_ns_scale __read_mostly;
static unsigned tb_to_ns_shift __read_mostly;
-static unsigned long boot_tb __read_mostly;
+static u64 boot_tb __read_mostly;
extern struct timezone sys_tz;
static long timezone_offset;