| Message ID | 20200901023352.25552-2-peter.chen@nxp.com |
|---|---|
| State | New |
| Headers | show |
| Series | usb: cdns3: misc improvements | expand |
Peter/Felipe, On 01/09/2020 05:33, Peter Chen wrote: > If the board uses role switch class for switching the role, it should > not depends on SoC OTG hardware siginal any more, so quit early. > > Signed-off-by: Peter Chen <peter.chen@nxp.com> > --- > drivers/usb/cdns3/core.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/drivers/usb/cdns3/core.c b/drivers/usb/cdns3/core.c > index faee5ec5fc20..96c2da4e20c5 100644 > --- a/drivers/usb/cdns3/core.c > +++ b/drivers/usb/cdns3/core.c > @@ -280,6 +280,10 @@ int cdns3_hw_role_switch(struct cdns3 *cdns) > enum usb_role real_role, current_role; > int ret = 0; > > + /* Depends on role switch class */ > + if (cdns->role_sw) > + return 0; > + This breaks h/w based role switching for us. cdsn->role_sw would always be non zero, right, which means h/w based role swithching will be bypassed for all platforms. > pm_runtime_get_sync(cdns->dev); > > current_role = cdns->role; > cheers, -roger -- Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
diff --git a/drivers/usb/cdns3/core.c b/drivers/usb/cdns3/core.c index faee5ec5fc20..96c2da4e20c5 100644 --- a/drivers/usb/cdns3/core.c +++ b/drivers/usb/cdns3/core.c @@ -280,6 +280,10 @@ int cdns3_hw_role_switch(struct cdns3 *cdns) enum usb_role real_role, current_role; int ret = 0; + /* Depends on role switch class */ + if (cdns->role_sw) + return 0; + pm_runtime_get_sync(cdns->dev); current_role = cdns->role;
If the board uses role switch class for switching the role, it should not depends on SoC OTG hardware siginal any more, so quit early. Signed-off-by: Peter Chen <peter.chen@nxp.com> --- drivers/usb/cdns3/core.c | 4 ++++ 1 file changed, 4 insertions(+)