From b2f125bcf5eac41a6d74f75ac573b77753213b74 Mon Sep 17 00:00:00 2001 From: Kevin Wells Date: Thu, 12 Nov 2009 00:28:13 +0100 Subject: [PATCH] i2c: i2c-pnx: Limit minimum jiffie timeout to 2 Limit minimum jiffie timeout to 2 to prevent early timeout on systems with low tick rates Signed-off-by: Kevin Wells Signed-off-by: Ben Dooks --- drivers/i2c/busses/i2c-pnx.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/i2c/busses/i2c-pnx.c b/drivers/i2c/busses/i2c-pnx.c index 6ff6c20f1e78..68c8233b6df0 100644 --- a/drivers/i2c/busses/i2c-pnx.c +++ b/drivers/i2c/busses/i2c-pnx.c @@ -54,6 +54,9 @@ static inline void i2c_pnx_arm_timer(struct i2c_adapter *adap) struct timer_list *timer = &data->mif.timer; int expires = I2C_PNX_TIMEOUT / (1000 / HZ); + if (expires <= 1) + expires = 2; + del_timer_sync(timer); dev_dbg(&adap->dev, "Timer armed at %lu plus %u jiffies.\n", -- 2.39.5