Re: [RESEND PATCH v9] xhci : AMD Promontory USB disable port support

2018-01-16 Thread Mathias Nyman
On 11.12.2017 11:42, Joe Lee wrote: From: Joe Lee For AMD Promontory xHCI host,although you can disable USB ports in BIOSsettings,those ports will be enabled anyway after you remove a device onthat port and re-plug it in again. It's a known limitation of the chip.As a

[RESEND PATCH v9] xhci : AMD Promontory USB disable port support

2017-12-11 Thread Joe Lee
From: Joe Lee For AMD Promontory xHCI host,although you can disable USB ports in BIOSsettings,those ports will be enabled anyway after you remove a device onthat port and re-plug it in again. It's a known limitation of the chip.As a workaround we can clear the

Re: [PATCH v9] xhci : AMD Promontory USB disable port support

2017-12-05 Thread Greg KH
On Tue, Dec 05, 2017 at 05:20:56PM +0800, Joe Lee wrote: > Dear Greg: > I am sorry if this has caused you any inconvenience. > I can't understand what is a good line-wrapping. > Can you check the line-wrapping for me? > > > For AMD Promontory xHCI host, > > although you can disable USB 2.0 ports

Re: [PATCH v9] xhci : AMD Promontory USB disable port support

2017-12-04 Thread Greg KH
On Mon, Dec 04, 2017 at 04:49:33PM +0800, Joe Lee wrote: > For AMD Promontory xHCI host, > although you can disable USB 2.0 ports in BIOSsettings, > those ports will be enabled anyway after you remove a device on > that port and re-plug it in again. It's a known limitation of the chip. > As a

[PATCH v9] xhci : AMD Promontory USB disable port support

2017-12-04 Thread Joe Lee
For AMD Promontory xHCI host, although you can disable USB 2.0 ports in BIOSsettings, those ports will be enabled anyway after you remove a device on that port and re-plug it in again. It's a known limitation of the chip. As a workaround we can clear the PORT_WAKE_BITS. --- v9: Fix multi-line