Re: [PATCH] usb: phy: phy core cannot yet be a module

[Felipe Balbi <balbi@ti.com>]

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Hi,

On Tue, Apr 23, 2013 at 05:54:32PM +0200, Arnd Bergmann wrote:
> A lot of platform code calls into the usb phy core at the moment, which
> does not work if it is built as a loadable module. This will hopefully
> change when those platforms are all converted to DT based probing,
> but for now, the easiest solution is to change it from "tristate"
> to "bool".
> 
> This solves at least these ARM allmodconfig build errors:
> 
> arch/arm/mach-imx/built-in.o: In function `imx_otg_ulpi_create':
> arch/arm/mach-imx/ulpi.c:117: undefined reference to `otg_ulpi_create'
> arch/arm/mach-omap2/built-in.o: In function `usbhs_init_phys':
> arch/arm/mach-omap2/usb-host.c:652: undefined reference to `usb_bind_phy'
> arch/arm/mach-omap2/built-in.o: In function `omap_2430sdp_init':
> arch/arm/mach-omap2/board-2430sdp.c:236: undefined reference to `usb_bind_phy'
> arch/arm/mach-omap2/built-in.o: In function `omap3_beagle_init':
> arch/arm/mach-omap2/board-omap3beagle.c:554: undefined reference to `usb_bind_phy'
> arch/arm/mach-omap2/built-in.o: In function `devkit8000_init':
> arch/arm/mach-omap2/board-devkit8000.c:596: undefined reference to `usb_bind_phy'
> arch/arm/mach-omap2/built-in.o: In function `omap_ldp_init':
> arch/arm/mach-omap2/board-ldp.c:379: undefined reference to `usb_bind_phy'
> drivers/built-in.o: In function `ab8500_charger_probe':
> drivers/power/ab8500_charger.c:3629: undefined reference to `usb_get_phy'
> drivers/power/ab8500_charger.c:3706: undefined reference to `usb_put_phy'
> drivers/built-in.o: In function `ab8500_charger_remove':
> drivers/power/ab8500_charger.c:3411: undefined reference to `usb_put_phy'
> 
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> Cc: Felipe Balbi <balbi@ti.com>
> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> Cc: linux-usb@vger.kernel.org
> ---
>  drivers/usb/phy/Kconfig | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/usb/phy/Kconfig b/drivers/usb/phy/Kconfig
> index 21153d1..371d0e7 100644
> --- a/drivers/usb/phy/Kconfig
> +++ b/drivers/usb/phy/Kconfig
> @@ -2,7 +2,7 @@
>  # Physical Layer USB driver configuration
>  #
>  menuconfig USB_PHY
> -	tristate "USB Physical Layer drivers"
> +	bool "USB Physical Layer drivers"

looks like this is the only way, indeed. Do you need on the merge window
on can this wait until -rc1 ? I just sent a pull request to Greg with
urgent fixes for the merge window.

Greg, if you want to take this one as a patch, go for it:

Acked-by: Felipe Balbi <balbi@ti.com>

-- 
balbi

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