Re: [PATCH 1/1] usb: chipidea: coordinate usb phy initialization for different phy type

2014-04-24 Thread Greg KH
On Wed, Apr 23, 2014 at 01:30:43PM +0800, Peter Chen wrote: For internal PHY (like UTMI), the phy clock may from internal pll, it is on/off on the fly, the access PORTSC.PTS will hang without phy clock. So, the usb_phy_init which will open phy clock needs to be called before

RE: [PATCH 1/1] usb: chipidea: coordinate usb phy initialization for different phy type

2014-04-24 Thread Peter Chen
On Wed, Apr 23, 2014 at 01:30:43PM +0800, Peter Chen wrote: For internal PHY (like UTMI), the phy clock may from internal pll, it is on/off on the fly, the access PORTSC.PTS will hang without phy clock. So, the usb_phy_init which will open phy clock needs to be called before

Re: [PATCH 1/1] usb: chipidea: coordinate usb phy initialization for different phy type

2014-04-24 Thread Greg KH
On Fri, Apr 25, 2014 at 02:07:35AM +, Peter Chen wrote: On Wed, Apr 23, 2014 at 01:30:43PM +0800, Peter Chen wrote: For internal PHY (like UTMI), the phy clock may from internal pll, it is on/off on the fly, the access PORTSC.PTS will hang without phy clock. So, the