Re: [PATCH] phy: add dm816x dependency on USB_PHY

[Kishon Vijay Abraham I]

Hi Arnd,

On Tuesday 19 May 2015 06:32 PM, Arnd Bergmann wrote:
> The newly added phy-dm816x-usb driver depends on the
> usb phy API and fails to link if that is disabled:
>
> drivers/built-in.o: In function `dm816x_usb_phy_remove':
> :(.text+0x3a28): undefined reference to `usb_remove_phy'
> drivers/built-in.o: In function `dm816x_usb_phy_probe':
> :(.text+0x3c18): undefined reference to `usb_add_phy_dev'

A patch to fix this has already been queued in the fixes branch
https://git.kernel.org/cgit/linux/kernel/git/kishon/linux-phy.git/commit/?h=fixes&id=7f7a4d306ff87502dc26860f54e798693cf9b1e1

Thanks
Kishon
> This adds an explicit dependency in Kconfig to avoid the
> build error in randconfig tests.
>
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> Fixes: 609adde838f4 ("phy: Add a driver for dm816x USB PHY")
>
> diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig
> index fceac96c2a31..1b5c235562c9 100644
> --- a/drivers/phy/Kconfig
> +++ b/drivers/phy/Kconfig
> @@ -37,7 +37,7 @@ config ARMADA375_USBCLUSTER_PHY
>
>   config PHY_DM816X_USB
>   	tristate "TI dm816x USB PHY driver"
> -	depends on ARCH_OMAP2PLUS
> +	depends on ARCH_OMAP2PLUS && USB_PHY
>   	select GENERIC_PHY
>   	help
>   	  Enable this for dm816x USB to work.
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