[PATCH v2 6/7] i2c-designware: use usleep_range() in the busy-loop

From: Mika Westerberg
Date: Wed Apr 10 2013 - 06:34:55 EST


This is not an atomic context so there is no need to use mdelay() but
instead use usleep_range().

Signed-off-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>
---
drivers/i2c/busses/i2c-designware-core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/i2c/busses/i2c-designware-core.c b/drivers/i2c/busses/i2c-designware-core.c
index 5cc4ebf..7c10c5b 100644
--- a/drivers/i2c/busses/i2c-designware-core.c
+++ b/drivers/i2c/busses/i2c-designware-core.c
@@ -355,7 +355,7 @@ static int i2c_dw_wait_bus_not_busy(struct dw_i2c_dev *dev)
return -ETIMEDOUT;
}
timeout--;
- mdelay(1);
+ usleep_range(1000, 1100);
}

return 0;
--
1.7.10.4

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