Re: [PATCH] arm64: defconfig: Add Renesas R-Car USB 3.0 driver support

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Hi Shimoda-san,

On Wed, Apr 20, 2016 at 05:47:14PM +0900, Yoshihiro Shimoda wrote:
> If we doesn't enable this configuration and runs on R-Car Gen3,
> xhci host driver will cause timeout in xhci_reset() because
> the R-Car Gen3 xHCI controller needs specific initialization.
> 
> [    1.565605] xhci-hcd ee000000.usb: xHCI Host Controller
> [    1.570636] xhci-hcd ee000000.usb: new USB bus registered, assigned bus number 5
> [   22.270160] xhci-hcd ee000000.usb: can't setup: -110
> [   22.274931] xhci-hcd ee000000.usb: USB bus 5 deregistered
> [   22.280158] xhci-hcd: probe of ee000000.usb failed with error -110
> 
> Remarks:
> The timestamp doesn't work correctly on R-Car H3 ES1.0. It should be
> 10 seconds.
> 
> Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>
> ---
>  arch/arm64/configs/defconfig | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
> index a44ef99..a95751d 100644
> --- a/arch/arm64/configs/defconfig
> +++ b/arch/arm64/configs/defconfig
> @@ -1,7 +1,6 @@
>  # CONFIG_LOCALVERSION_AUTO is not set
>  CONFIG_SYSVIPC=y
>  CONFIG_POSIX_MQUEUE=y
> -CONFIG_FHANDLE=y
>  CONFIG_AUDIT=y
>  CONFIG_NO_HZ_IDLE=y
>  CONFIG_HIGH_RES_TIMERS=y

Is the hunk above intended?
It does not seem to match my reading of the changelog.

> @@ -192,7 +191,7 @@ CONFIG_SND_SOC_AK4613=y
>  CONFIG_USB=y
>  CONFIG_USB_OTG=y
>  CONFIG_USB_XHCI_HCD=y
> -CONFIG_USB_XHCI_PLATFORM=y
> +CONFIG_USB_XHCI_RCAR=y
>  CONFIG_USB_EHCI_HCD=y
>  CONFIG_USB_EHCI_MSM=y
>  CONFIG_USB_EHCI_HCD_PLATFORM=y
> -- 
> 1.9.1



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