Re: [PATCH] i2c: designware-platdrv: implement bus recovery

2016-04-15 Thread Jisheng Zhang
On Fri, 15 Apr 2016 10:07:46 +0300 Mika Westerberg wrote: > On Fri, Apr 15, 2016 at 02:08:43PM +0800, Jisheng Zhang wrote: > > Dear Mika, > > > > On Thu, 14 Apr 2016 17:39:16 +0300 Mika Westerberg wrote: > > > > > On Thu, Apr 14, 2016 at 10:04:56PM +0800, Jisheng Zhang wrote: > > > > Implem

Re: [PATCH] i2c: designware-platdrv: implement bus recovery

2016-04-15 Thread Mika Westerberg
On Fri, Apr 15, 2016 at 02:08:43PM +0800, Jisheng Zhang wrote: > Dear Mika, > > On Thu, 14 Apr 2016 17:39:16 +0300 Mika Westerberg wrote: > > > On Thu, Apr 14, 2016 at 10:04:56PM +0800, Jisheng Zhang wrote: > > > Implement bus recovery methods for i2c designware so we can recover > > > from situa

Re: [PATCH] i2c: designware-platdrv: implement bus recovery

2016-04-14 Thread Jisheng Zhang
Dear Mika, On Thu, 14 Apr 2016 17:39:16 +0300 Mika Westerberg wrote: > On Thu, Apr 14, 2016 at 10:04:56PM +0800, Jisheng Zhang wrote: > > Implement bus recovery methods for i2c designware so we can recover > > from situations where SCL/SDA are stuck low. > > > > The recovery method is similar as

Re: [PATCH] i2c: designware-platdrv: implement bus recovery

2016-04-14 Thread Rob Herring
On Thu, Apr 14, 2016 at 10:04:56PM +0800, Jisheng Zhang wrote: > Implement bus recovery methods for i2c designware so we can recover > from situations where SCL/SDA are stuck low. > > The recovery method is similar as i2c-imx: "config the i2c pinctrl to > gpio mode by calling pinctrl sleep set fun

Re: [PATCH] i2c: designware-platdrv: implement bus recovery

2016-04-14 Thread Martinez Kristofer
On Thu, Apr 14, 2016 at 10:39 PM, Mika Westerberg wrote: > On Thu, Apr 14, 2016 at 10:04:56PM +0800, Jisheng Zhang wrote: >> Implement bus recovery methods for i2c designware so we can recover >> from situations where SCL/SDA are stuck low. >> >> The recovery method is similar as i2c-imx: "config

Re: [PATCH] i2c: designware-platdrv: implement bus recovery

2016-04-14 Thread Mika Westerberg
On Thu, Apr 14, 2016 at 10:04:56PM +0800, Jisheng Zhang wrote: > Implement bus recovery methods for i2c designware so we can recover > from situations where SCL/SDA are stuck low. > > The recovery method is similar as i2c-imx: "config the i2c pinctrl to > gpio mode by calling pinctrl sleep set fun

Re: [PATCH] i2c: designware-platdrv: implement bus recovery

2016-04-14 Thread kbuild test robot
Hi Jisheng, [auto build test ERROR on wsa/i2c/for-next] [also build test ERROR on v4.6-rc3 next-20160414] [if your patch is applied to the wrong git tree, please drop us a note to help improving the system] url: https://github.com/0day-ci/linux/commits/Jisheng-Zhang/i2c-designware-platdrv-im

[PATCH] i2c: designware-platdrv: implement bus recovery

2016-04-14 Thread Jisheng Zhang
Implement bus recovery methods for i2c designware so we can recover from situations where SCL/SDA are stuck low. The recovery method is similar as i2c-imx: "config the i2c pinctrl to gpio mode by calling pinctrl sleep set function, and then use GPIO to emulate the i2c protocol to send nine dummy c