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authorMika Westerberg <mika.westerberg@linux.intel.com>2013-04-10 00:36:41 +0000
committerWolfram Sang <wsa@the-dreams.de>2013-04-15 18:18:14 +0200
commit1451b91ffef5a2ac7df28a6d8fc270ccbee5d8ac (patch)
tree4e157a6f97454837f7a2bd22862d4ec19567a91f /drivers/i2c/busses
parent3ca4ed8715a6677ce2cdd7aa471685e653b5114d (diff)
downloadvexpress-lsk-1451b91ffef5a2ac7df28a6d8fc270ccbee5d8ac.tar.gz
i2c-designware: use usleep_range() in the busy-loop
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@linux.intel.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers/i2c/busses')
-rw-r--r--drivers/i2c/busses/i2c-designware-core.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/i2c/busses/i2c-designware-core.c b/drivers/i2c/busses/i2c-designware-core.c
index 5cc4ebf29b0..7c10c5bd36d 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;