linux-kernel - Re: [PATCH -next] usb: typec: anx7411: Fix build error without CONFIG_POWER

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Date:   Thu, 22 Sep 2022 18:00:36 +0800
From:   Xin Ji <xji@...logixsemi.com>
To:     Ren Zhijie <renzhijie2@...wei.com>
Cc:     heikki.krogerus@...ux.intel.com, gregkh@...uxfoundation.org,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH -next] usb: typec: anx7411: Fix build error without
 CONFIG_POWER_SUPPLY

On Tue, Sep 20, 2022 at 04:44:31PM +0800, Ren Zhijie wrote:
> Building without CONFIG_POWER_SUPPLY will fail:
> 
> drivers/usb/typec/anx7411.o: In function `anx7411_detect_power_mode':
> anx7411.c:(.text+0x527): undefined reference to `power_supply_changed'
> drivers/usb/typec/anx7411.o: In function `anx7411_psy_set_prop':
> anx7411.c:(.text+0x90d): undefined reference to `power_supply_get_drvdata'
> anx7411.c:(.text+0x930): undefined reference to `power_supply_changed'
> drivers/usb/typec/anx7411.o: In function `anx7411_psy_get_prop':
> anx7411.c:(.text+0x94d): undefined reference to `power_supply_get_drvdata'
> drivers/usb/typec/anx7411.o: In function `anx7411_i2c_probe':
> anx7411.c:(.text+0x111d): undefined reference to
> `devm_power_supply_register'
> drivers/usb/typec/anx7411.o: In function `anx7411_work_func':
> anx7411.c:(.text+0x167c): undefined reference to `power_supply_changed'
> anx7411.c:(.text+0x1b55): undefined reference to `power_supply_changed'
> 
> Add POWER_SUPPLY dependency to Kconfig.
Hi Ren Zhijie, thanks for your patch.

Reviewed-by: Xin Ji <xji@...logixsemi.com>
> 
> Fixes: fe6d8a9c8e64 ("usb: typec: anx7411: Add Analogix PD ANX7411 support")
> Signed-off-by: Ren Zhijie <renzhijie2@...wei.com>
> ---
>  drivers/usb/typec/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/usb/typec/Kconfig b/drivers/usb/typec/Kconfig
> index 5defdfead653..831e7049977d 100644
> --- a/drivers/usb/typec/Kconfig
> +++ b/drivers/usb/typec/Kconfig
> @@ -56,6 +56,7 @@ config TYPEC_ANX7411
>  	tristate "Analogix ANX7411 Type-C DRP Port controller driver"
>  	depends on I2C
>  	depends on USB_ROLE_SWITCH
> +	depends on POWER_SUPPLY
>  	help
>  	  Say Y or M here if your system has Analogix ANX7411 Type-C DRP Port
>  	  controller driver.
> -- 
> 2.17.1