Re: [PATCH] i2c: sprd: use a specific timeout to avoid system hang up issue

2020-12-11 Thread kernel test robot
Hi Chunyan, I love your patch! Yet something to improve: [auto build test ERROR on wsa/i2c/for-next] [also build test ERROR on v5.10-rc7 next-20201211] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in

Re: [PATCH] i2c: sprd: use a specific timeout to avoid system hang up issue

2020-12-11 Thread kernel test robot
Hi Chunyan, I love your patch! Yet something to improve: [auto build test ERROR on wsa/i2c/for-next] [also build test ERROR on v5.10-rc7 next-20201211] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in

Re: [PATCH] i2c: sprd: use a specific timeout to avoid system hang up issue

2020-12-11 Thread Wolfram Sang
Hi, thanks for your patch! > If the i2c device SCL bus being pulled up due to some exception before > message transfer done, the system cannot receive the completing interrupt > signal any more, it would not exit waiting loop until MAX_SCHEDULE_TIMEOUT > jiffies eclipse, that would make the

[PATCH] i2c: sprd: use a specific timeout to avoid system hang up issue

2020-12-11 Thread Chunyan Zhang
From: Chunyan Zhang If the i2c device SCL bus being pulled up due to some exception before message transfer done, the system cannot receive the completing interrupt signal any more, it would not exit waiting loop until MAX_SCHEDULE_TIMEOUT jiffies eclipse, that would make the system seemed hang