linux-kernel - Re: [PATCH] misc: Kconfig: add a new dependency for HISI_HIKEY

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Date:   Thu, 8 Oct 2020 07:35:28 +0200
From:   Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To:     Randy Dunlap <rdunlap@...radead.org>
Cc:     Nathan Chancellor <natechancellor@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linuxarm@...wei.com, mauro.chehab@...wei.com,
        John Stultz <john.stultz@...aro.org>,
        Manivannan Sadhasivam <mani@...nel.org>,
        Arnd Bergmann <arnd@...db.de>,
        Derek Kiernan <derek.kiernan@...inx.com>,
        Dragan Cvetic <dragan.cvetic@...inx.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] misc: Kconfig: add a new dependency for HISI_HIKEY_USB

Em Wed, 7 Oct 2020 19:52:56 -0700
Randy Dunlap <rdunlap@...radead.org> escreveu:

> On 10/7/20 7:18 PM, Nathan Chancellor wrote:
> > On Wed, Oct 07, 2020 at 07:09:54AM +0200, Mauro Carvalho Chehab wrote:  
> >> As warned by Randy:
> >>
> >> 	on x86_64:
> >> 	CONFIG_USB_ROLE_SWITCH=m
> >> 	and HISI_HIKEY_USB=y.
> >>
> >> 	ld: drivers/misc/hisi_hikey_usb.o: in function `hisi_hikey_usb_remove':
> >> 	hisi_hikey_usb.c:(.text+0x61): undefined reference to `usb_role_switch_unregister'
> >> 	ld: hisi_hikey_usb.c:(.text+0xa4): undefined reference to `usb_role_switch_put'
> >> 	ld: drivers/misc/hisi_hikey_usb.o: in function `hub_usb_role_switch_set':
> >> 	hisi_hikey_usb.c:(.text+0xd3): undefined reference to `usb_role_switch_get_drvdata'
> >> 	ld: drivers/misc/hisi_hikey_usb.o: in function `relay_set_role_switch':
> >> 	hisi_hikey_usb.c:(.text+0x54d): undefined reference to `usb_role_switch_set_role'
> >> 	ld: drivers/misc/hisi_hikey_usb.o: in function `hisi_hikey_usb_probe':
> >> 	hisi_hikey_usb.c:(.text+0x8a5): undefined reference to `usb_role_switch_get'
> >> 	ld: hisi_hikey_usb.c:(.text+0xa08): undefined reference to `usb_role_switch_register'
> >> 	ld: hisi_hikey_usb.c:(.text+0xa6e): undefined reference to `usb_role_switch_put'
> >>
> >> Make it dependent on CONFIG_USB_ROLE_SWITCH.
> >>
> >> Reported-by: Randy Dunlap <rdunlap@...radead.org>
> >> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
> >> ---
> >>  drivers/misc/Kconfig | 1 +
> >>  1 file changed, 1 insertion(+)
> >>
> >> diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
> >> index e19e1dcceb41..7cee2b72c09e 100644
> >> --- a/drivers/misc/Kconfig
> >> +++ b/drivers/misc/Kconfig
> >> @@ -459,6 +459,7 @@ config PVPANIC
> >>  config HISI_HIKEY_USB
> >>  	tristate "USB GPIO Hub on HiSilicon Hikey 960/970 Platform"
> >>  	depends on (OF && GPIOLIB) || COMPILE_TEST
> >> +	depends on CONFIG_USB_ROLE_SWITCH  
> > 
> > Shouldn't this be
> > 
> > depends on USB_ROLE_SWITCH  
> 
> Obviously. Thanks for catching that.
> 
> > ? Now it will never be selectable.

Thanks for catching this one! Sent a v2 fixing this.
(and double-checked that the driver was built after the
changes).

Thanks,
Mauro