[PATCH 1/2] usb: host: ehci: add GENERIC_PHY dependency to Kconfig

[Sascha Hauer]

Hi Denis,

On Tue, Mar 01, 2022 at 12:14:22PM +0300, Denis Orlov wrote:
> With GENERIC_PHY disabled, EHCI driver initialization fails in
> ehci_probe() as calling phy_optional_get() returns "Function not
> implemented" value. So it seems reasonable to make USB_EHCI explicitly
> depend on GENERIC_PHY.
> 
> Signed-off-by: Denis Orlov <denorl2009 at gmail.com>
> ---
>  drivers/usb/host/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
> index d38b4dcac4..cc71b76902 100644
> --- a/drivers/usb/host/Kconfig
> +++ b/drivers/usb/host/Kconfig
> @@ -2,6 +2,7 @@
>  config USB_EHCI
>  	bool "EHCI driver"
>  	depends on HAS_DMA
> +	depends on GENERIC_PHY

This effectively disables the EHCI in a bunch of defconfigs. I finally
decided for the other approach and made phy_optional_get() return NULL
when GENERIC_PHY is disabled. This should solve this problem.

Applied the other patch in the series.

Sascha

>  
>  config USB_EHCI_OMAP
>  	depends on ARCH_OMAP3
> -- 
> 2.20.1
> 
> 

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