[PATCH] PM: Fix signed/unsigned warning

From: Kevin Cernekee
Date: Mon Sep 20 2010 - 14:39:27 EST


Seen on MIPS32, gcc 4.4.3, 2.6.36-rc4:

drivers/base/power/main.c: In function 'dpm_show_time':
drivers/base/power/main.c:415: warning: comparison of distinct pointer types lacks a cast

do_div() takes unsigned parameters:

uint32_t do_div(uint64_t *n, uint32_t base);

Using an unsigned variable for usecs64 should not cause any problems,
because calltime >= starttime .

Signed-off-by: Kevin Cernekee <cernekee@xxxxxxxxx>
---
drivers/base/power/main.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index 276d5a7..db67719 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -407,7 +407,7 @@ static void pm_dev_err(struct device *dev, pm_message_t state, char *info,
static void dpm_show_time(ktime_t starttime, pm_message_t state, char *info)
{
ktime_t calltime;
- s64 usecs64;
+ u64 usecs64;
int usecs;

calltime = ktime_get();
--
1.7.0.4

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