linux-kernel - Re: [PATCH] net: phy: spi_ks8995: add dependency on GPIO

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Message-ID: <56BDD136.50208@gmail.com>
Date:	Fri, 12 Feb 2016 13:33:58 +0100
From:	Helmut Buchsbaum <helmut.buchsbaum@...il.com>
To:	Sudip Mukherjee <sudipm.mukherjee@...il.com>,
	Florian Fainelli <f.fainelli@...il.com>
Cc:	linux-kernel@...r.kernel.org, kernel-testers@...r.kernel.org,
	netdev@...r.kernel.org, "David S. Miller" <davem@...emloft.net>
Subject: Re: [PATCH] net: phy: spi_ks8995: add dependency on GPIO

On 02/12/2016 11:18 AM, Sudip Mukherjee wrote:
> The builds of allmodconfig of s390, m68k, tilegx, tilepro is failing
> with the error:
>   drivers/net/phy/spi_ks8995.c:477:3: error: implicit declaration of function 'gpiod_set_value'
>   drivers/net/phy/spi_ks8995.c:477:19: error: implicit declaration of function 'gpio_to_desc'
>
> GPIO is now used to reset the switch so we should have a dependency on
> GPIOLIB.
>
> Fixes: cd6f288cbaab ("net: phy: spi_ks8995: add support for resetting switch using GPIO")
> Cc: Helmut Buchsbaum <helmut.buchsbaum@...il.com>
> Signed-off-by: Sudip Mukherjee <sudip@...torindia.org>
> ---
>   drivers/net/phy/Kconfig | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig
> index f0a7702..c6a4fe1 100644
> --- a/drivers/net/phy/Kconfig
> +++ b/drivers/net/phy/Kconfig
> @@ -261,4 +261,4 @@ endif # PHYLIB
>
>   config MICREL_KS8995MA
>   	tristate "Micrel KS8995MA 5-ports 10/100 managed Ethernet switch"
> -	depends on SPI
> +	depends on SPI && GPIOLIB
>
You're definitely right! This somehow slipped through, sorry for that!