Message ID | 20200907135740.19941-1-heikki.krogerus@linux.intel.com |
---|---|
Headers | show |
Series | Fixes for the Intel PMC mux driver | expand |
On Mon, Sep 07, 2020 at 04:57:40PM +0300, Heikki Krogerus wrote: > From: Utkarsh Patel <utkarsh.h.patel@intel.com> > > According to the PMC Type C Subsystem (TCSS) Mux programming guide rev > 0.7, bits 4 and 5 are reserved in Alternate modes. > SBU Orientation and HSL Orientation needs to be configured only during > initial cable detection in USB connect flow based on device property of > "sbu-orientation" and "hsl-orientation". > Configuring these reserved bits in the Alternate modes may result in delay > in display link training or some unexpected behaviour. > So do not configure them while issuing Alternate Mode requests. > > Fixes: ff4a30d5e243 ("usb: typec: mux: intel_pmc_mux: Support for static SBU/HSL orientation") > Signed-off-by: Utkarsh Patel <utkarsh.h.patel@intel.com> > Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Shouldn't this also need a cc:stable? And why not cc: the linux-usb list on these patches? thanks, greg k-h
On Mon, Sep 07, 2020 at 04:57:38PM +0300, Heikki Krogerus wrote: > Hi, > > Here are two of fixes from Utkarsh. Both deal with alternate mode > issues. Let me know if you want anything to be changed. > > thanks, > > Utkarsh Patel (2): > usb: typec: intel_pmc_mux: Do not configure Altmode HPD High > usb: typec: intel_pmc_mux: Do not configure SBU and HSL Orientation in > Alternate modes > > drivers/usb/typec/mux/intel_pmc_mux.c | 12 ------------ > 1 file changed, 12 deletions(-) Wrong mailing list :-/ I'll resend these to the correct usb mailing list.