Hi Mathias: >-----Original Message----- >From: Mathias Nyman [mailto:mathias.nyman@xxxxxxxxx] >Sent: Monday, October 15, 2018 8:11 PM >To: Zengtao (B) <prime.zeng@xxxxxxxxxxxxx>; Greg KH ><gregkh@xxxxxxxxxxxxxxxxxxx> >Cc: linux-kernel@xxxxxxxxxxxxxxx; linux-usb@xxxxxxxxxxxxxxx >Subject: Re: Can we just remove the sw_lpm_support from current xhci >driver? > >On 15.10.2018 12:35, Zengtao (B) wrote: >> Hi: >> >> I am recently reading the LPM related code in xhci driver, and I find >> that the xhci->sw_lpm_support is not really used, but I am not sure >> whether we should remove it or not? >> >> Any ideas, Thanks. > >I think it was used to prevent LPM in pre-0.96 xHC controllers. >Now driver only supports HW LPM for 1.0 and later controllers, so >xhci->sw_lpm_support doesn't really do anything. > >You can send a patch removing it > Ok, I will send a patch to do it, thanks. >Thanks >-Mathias
