* Felipe Balbi <balbi@xxxxxx> [150115 07:42]: > Whenever Suspend PHY bit is set on DRA7x devices, > USB will not work due to Set EP Configuration command > always failing. > > This was only found after a recent commit 2164a47 (usb: > dwc3: set SUSPHY bit for all cores, which will be merged > for v3.19) added a missing *required* step to dwc3 > initialization. Synopsys Databook requires that we enable > Suspend PHY bit after initialization but that, unfortunately, > breaks DRA7x. > > Note that the same regression was already patched for AM437x. > > Reported-by: Roger Quadros <rogerq@xxxxxx> > Signed-off-by: Felipe Balbi <balbi@xxxxxx> > --- > > Tony, this fixes a regression with v3.19 OK applying into omap-for-v3.19/fixes thanks. Tony > arch/arm/boot/dts/dra7.dtsi | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi > index 22771bc1643a..63f8b007bdc5 100644 > --- a/arch/arm/boot/dts/dra7.dtsi > +++ b/arch/arm/boot/dts/dra7.dtsi > @@ -1257,6 +1257,8 @@ > tx-fifo-resize; > maximum-speed = "super-speed"; > dr_mode = "otg"; > + snps,dis_u3_susphy_quirk; > + snps,dis_u2_susphy_quirk; > }; > }; > > @@ -1278,6 +1280,8 @@ > tx-fifo-resize; > maximum-speed = "high-speed"; > dr_mode = "otg"; > + snps,dis_u3_susphy_quirk; > + snps,dis_u2_susphy_quirk; > }; > }; > > @@ -1299,6 +1303,8 @@ > tx-fifo-resize; > maximum-speed = "high-speed"; > dr_mode = "otg"; > + snps,dis_u3_susphy_quirk; > + snps,dis_u2_susphy_quirk; > }; > }; > > -- > 2.2.0 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-omap" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
