On Thu, Jul 02, 2020 at 02:35:04PM +0530, Jagan Teki wrote: > rk3288 has usb host0 ohci controller but doesn't actually work > on real hardware but it works with new revision chip rk3288w. > > So, disable ohci for rk3288. > > For rk3288w chips the compatible update code is handled by bootloader. > > Cc: William Wu <william.wu@xxxxxxxxxxxxxx> > Signed-off-by: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx> > --- > Note: > - U-Boot patch for compatible update > https://patchwork.ozlabs.org/project/uboot/patch/20200702084820.35942-1-jagan@xxxxxxxxxxxxxxxxxxxx/ > > drivers/usb/host/ohci-platform.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/usb/host/ohci-platform.c b/drivers/usb/host/ohci-platform.c > index 7addfc2cbadc..24655ed6a7e0 100644 > --- a/drivers/usb/host/ohci-platform.c > +++ b/drivers/usb/host/ohci-platform.c > @@ -96,7 +96,7 @@ static int ohci_platform_probe(struct platform_device *dev) > struct ohci_hcd *ohci; > int err, irq, clk = 0; > > - if (usb_disabled()) > + if (usb_disabled() || of_machine_is_compatible("rockchip,rk3288")) > return -ENODEV; > > /* > -- > 2.25.1 Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
