Messages in this thread Patch in this message | | | From | Tomoya MORINAGA <> | Subject | [PATCH 3/3] i2c-eg20t: change timeout value 50msec to 1000msec | Date | Mon, 26 Mar 2012 14:55:25 +0900 |
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Currently, during i2c works alone, wait-event timeout is not occurred. However, as CPU load increases, timeout occurs frequently. So, I modified like this patch. Modifying like this patch, I've never seen the timeout event with high load test.
Signed-off-by: Tomoya MORINAGA <tomoya.rohm@gmail.com> --- drivers/i2c/busses/i2c-eg20t.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/i2c/busses/i2c-eg20t.c b/drivers/i2c/busses/i2c-eg20t.c index 714b070..ec8f4fa 100644 --- a/drivers/i2c/busses/i2c-eg20t.c +++ b/drivers/i2c/busses/i2c-eg20t.c @@ -324,7 +324,7 @@ static s32 pch_i2c_wait_for_xfer_complete(struct i2c_algo_pch_data *adap) { long ret; ret = wait_event_timeout(pch_event, - (adap->pch_event_flag != 0), msecs_to_jiffies(50)); + (adap->pch_event_flag != 0), msecs_to_jiffies(1000)); if (ret == 0) { pch_err(adap, "timeout: %x\n", adap->pch_event_flag); -- 1.7.7.6
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