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From: Heikki Krogerus <heikki.krogerus@linux.intel.com>
To: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Cc: linux-usb@vger.kernel.org, gregkh@linuxfoundation.org
Subject: Re: [PATCH v2 1/2] usb: typec: Ensure USB_ROLE_SWITCH is selected for tps6598x
Date: Wed, 20 May 2020 16:39:42 +0300	[thread overview]
Message-ID: <20200520133942.GA1910854@kuha.fi.intel.com> (raw)
In-Reply-To: <16b990e1-2046-23e8-f4be-bf1f8659313b@linaro.org>

On Wed, May 20, 2020 at 02:32:31PM +0100, Bryan O'Donoghue wrote:
> On 20/05/2020 14:24, Bryan O'Donoghue wrote:
> > On 20/05/2020 14:17, Heikki Krogerus wrote:
> > > depends on USB_ROLE_SWITCH || !USB_ROLE_SWITCH
> > 
> > Hmm.
> > 
> > That broke for me with a recursive dependency
> > 
> > but this will work
> > 
> > +       depends on REGMAP_I2C
> > +       depends on USB_ROLE_SWITCH || !USB_ROLE_SWITCH
> > 
> 
> Sorry Heikki.
> 
> If I make the above change and then do this to switch off where the USB
> controller in my build is selecting - role switch
> 
> index d53db520e209..636a5428b47e 100644
> --- a/drivers/usb/chipidea/Kconfig
> +++ b/drivers/usb/chipidea/Kconfig
> @@ -6,7 +6,6 @@ config USB_CHIPIDEA
>         select EXTCON
>         select RESET_CONTROLLER
>         select USB_ULPI_BUS
> -       select USB_ROLE_SWITCH
>         select USB_TEGRA_PHY if ARCH_TEGRA
>         help

That driver is a switch supplier. You should select the class here.

> it breaks
> 
> drivers/usb/dwc3/drd.o: In function `dwc3_usb_role_switch_get':
> /home/deckard/Development/qualcomm/qlt-kernel/drivers/usb/dwc3/drd.c:508:
> undefined reference to `usb_role_switch_get_drvdata'
> drivers/usb/dwc3/drd.o: In function `dwc3_usb_role_switch_set':
> /home/deckard/Development/qualcomm/qlt-kernel/drivers/usb/dwc3/drd.c:484:
> undefined reference to `usb_role_switch_get_drvdata'
> drivers/usb/dwc3/drd.o: In function `dwc3_setup_role_switch':
> /home/deckard/Development/qualcomm/qlt-kernel/drivers/usb/dwc3/drd.c:555:
> undefined reference to `usb_role_switch_register'
> drivers/usb/dwc3/drd.o: In function `dwc3_drd_exit':
> /home/deckard/Development/qualcomm/qlt-kernel/drivers/usb/dwc3/drd.c:628:
> undefined reference to `usb_role_switch_unregister'
> drivers/usb/chipidea/core.o: In function `ci_usb_role_switch_get':
> /home/deckard/Development/qualcomm/qlt-kernel/drivers/usb/chipidea/core.c:621:
> undefined reference to `usb_role_switch_get_drvdata'
> drivers/usb/chipidea/core.o: In function `ci_usb_role_switch_set':
> /home/deckard/Development/qualcomm/qlt-kernel/drivers/usb/chipidea/core.c:635:
> undefined reference to `usb_role_switch_get_drvdata'
> drivers/usb/chipidea/core.o: In function `ci_hdrc_remove':
> /home/deckard/Development/qualcomm/qlt-kernel/drivers/usb/chipidea/core.c:1231:
> undefined reference to `usb_role_switch_unregister'
> drivers/usb/chipidea/core.o: In function `ci_hdrc_probe':
> /home/deckard/Development/qualcomm/qlt-kernel/drivers/usb/chipidea/core.c:1210:
> undefined reference to `usb_role_switch_unregister'
> /home/deckard/Development/qualcomm/qlt-kernel/drivers/usb/chipidea/core.c:1143:
> undefined reference to `usb_role_switch_register'
> make[1]: *** [/home/deckard/Development/qualcomm/qlt-kernel/Makefile:1106:
> vmlinux] Error 1
> make[1]: Leaving directory '/home/deckard/Development/qualcomm/qlt-kernel-tools/qlt-kernel/build/square_5.x-tracking'
> 
> to do what you want to do - shouldn't we have to make all of those "select
> USB_ROLE_SWITCH" into "depends on USB_ROLE_SWITCH" ?
> 
> i.e. make all of the consumers depends on instead of selects ?

Yes, ideally.

thanks,

-- 
heikki

  reply	other threads:[~2020-05-20 13:39 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-20 12:33 [PATCH v2 0/2] Fix role-switch selection in type-c drivers Bryan O'Donoghue
2020-05-20 12:33 ` [PATCH v2 1/2] usb: typec: Ensure USB_ROLE_SWITCH is selected for tps6598x Bryan O'Donoghue
2020-05-20 13:17   ` Heikki Krogerus
2020-05-20 13:24     ` Bryan O'Donoghue
2020-05-20 13:32       ` Bryan O'Donoghue
2020-05-20 13:39         ` Heikki Krogerus [this message]
2020-05-20 15:31           ` Bryan O'Donoghue
2020-05-20 12:33 ` [PATCH v2 2/2] usb: typec: Ensure USB_ROLE_SWITCH is selected for hd3ss3220 Bryan O'Donoghue
2020-05-20 13:13   ` Heikki Krogerus

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