Message ID | 1536159314-35831-1-git-send-email-christianshewitt@gmail.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | usb: dwc2: disable power_down on Amlogic devices | expand |
On 9/5/2018 6:56 PM, Christian Hewitt wrote: > USB devices work when connected to Amlogic GXBB hardware before power > on, but not when connected after boot (hotplugged). With this patch > hotplugging works again. This change was copied from the Rockchip > patch here: (https://urldefense.proofpoint.com/v2/url?u=https-3A__marc.info_-3Fl-3Dlinux-2Dusb-26m-3D153205711616460-26w-3D2&d=DwIBAg&c=DPL6_X_6JkXFx7AXWqB0tg&r=cQBKt4q-qzNVC53rNAwuwplH23V61rHQhhULvdLA0U8&m=m5T_SsLG-_isQDyjrHuiVqJWdEqZ21Lcr70lObiPwrg&s=D26wJzWeREBz6_XcmdTqo8k69mPRqGaIbRWl_77Ns3c&e=) > > Signed-off-by: Christian Hewitt <christianshewitt@gmail.com> Acked-by: Minas Harutyunyan <hminas@synopsys.com> > --- > drivers/usb/dwc2/params.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/usb/dwc2/params.c b/drivers/usb/dwc2/params.c > index bf7052e..93561a2 100644 > --- a/drivers/usb/dwc2/params.c > +++ b/drivers/usb/dwc2/params.c > @@ -110,6 +110,7 @@ static void dwc2_set_amlogic_params(struct dwc2_hsotg *hsotg) > p->phy_type = DWC2_PHY_TYPE_PARAM_UTMI; > p->ahbcfg = GAHBCFG_HBSTLEN_INCR8 << > GAHBCFG_HBSTLEN_SHIFT; > + p->power_down = false; > } > > static void dwc2_set_amcc_params(struct dwc2_hsotg *hsotg) >
diff --git a/drivers/usb/dwc2/params.c b/drivers/usb/dwc2/params.c index bf7052e..93561a2 100644 --- a/drivers/usb/dwc2/params.c +++ b/drivers/usb/dwc2/params.c @@ -110,6 +110,7 @@ static void dwc2_set_amlogic_params(struct dwc2_hsotg *hsotg) p->phy_type = DWC2_PHY_TYPE_PARAM_UTMI; p->ahbcfg = GAHBCFG_HBSTLEN_INCR8 << GAHBCFG_HBSTLEN_SHIFT; + p->power_down = false; } static void dwc2_set_amcc_params(struct dwc2_hsotg *hsotg)
USB devices work when connected to Amlogic GXBB hardware before power on, but not when connected after boot (hotplugged). With this patch hotplugging works again. This change was copied from the Rockchip patch here: (https://marc.info/?l=linux-usb&m=153205711616460&w=2) Signed-off-by: Christian Hewitt <christianshewitt@gmail.com> --- drivers/usb/dwc2/params.c | 1 + 1 file changed, 1 insertion(+)