Re: [PATCH v11 4/8] usb: core: add power sequence handling for USB devices

2017-01-07 Thread Krzysztof Kozlowski
On Thu, Jan 05, 2017 at 02:01:55PM +0800, Peter Chen wrote: > Some hard-wired USB devices need to do power sequence to let the > device work normally, the typical power sequence like: enable USB > PHY clock, toggle reset pin, etc. But current Linux USB driver > lacks of such code to do it, it may c

[PATCH v11 4/8] usb: core: add power sequence handling for USB devices

2017-01-04 Thread Peter Chen
Some hard-wired USB devices need to do power sequence to let the device work normally, the typical power sequence like: enable USB PHY clock, toggle reset pin, etc. But current Linux USB driver lacks of such code to do it, it may cause some hard-wired USB devices works abnormal or can't be recogniz