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

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Message-ID: <56BF3834.2090708@gmail.com>
Date:	Sat, 13 Feb 2016 19:35:40 +0530
From:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>
CC:	Florian Fainelli <f.fainelli@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	kernel-testers@...r.kernel.org,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"David S. Miller" <davem@...emloft.net>,
	Helmut Buchsbaum <helmut.buchsbaum@...il.com>
Subject: Re: [PATCH] net: phy: spi_ks8995: add dependency on GPIO

On Saturday 13 February 2016 03:42 PM, Geert Uytterhoeven wrote:
> On Fri, Feb 12, 2016 at 11:18 AM, Sudip Mukherjee
> <sudipm.mukherjee@...il.com> 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'
>
> Does that file include include/linux/gpio/consumer.h?
> The GPIO subsystem provides dummies of these functions when CONFIG_GPIOLIB=n.
>
>> 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
>
> I think that can become
>
>      depends on SPI
>      depends on GPIOLIB || COMPILE_TEST
>
> after you've added the missing include.

yes, ofcourse. Better change that what I have done. Just sent v2 after 
compile testing this change.

regards
sudip