linux-kernel - Re: [PATCH v5 3/7] gpio/xilinx: Add support for X86 Arch

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Date:	Tue, 13 Jan 2015 10:02:27 +0100
From:	Paul Bolle <pebolle@...cali.nl>
To:	Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>
Cc:	Valentin Rothberg <valentinrothberg@...il.com>,
	Linus Walleij <linus.walleij@...aro.org>,
	Alexandre Courbot <gnurou@...il.com>,
	Michal Simek <michal.simek@...inx.com>,
	Sören Brinkmann <soren.brinkmann@...inx.com>,
	linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 3/7] gpio/xilinx: Add support for X86 Arch

On Wed, 2014-12-17 at 16:51 +0100, Ricardo Ribalda Delgado wrote:
> Core can be accessed via PCIe on X86 platform.
> This patch also allows the driver to be used as module.
> 
> Acked-by: Michal Simek <michal.simek@...inx.com>
> Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>
> ---
>  drivers/gpio/Kconfig       | 4 ++--
>  drivers/gpio/gpio-xilinx.c | 2 +-
>  2 files changed, 3 insertions(+), 3 deletions(-)

This patch became c586b3075d5b ("gpio/xilinx: Add support for X86 Arch")
in today's linux-next (next-20150113). I noticed because a script I use
to check linux-next spotted a problem in it.

> diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
> index 414d055..b17d226 100644
> --- a/drivers/gpio/Kconfig
> +++ b/drivers/gpio/Kconfig
> @@ -366,8 +366,8 @@ config GPIO_XGENE
>  	  here to enable the GFC GPIO functionality.
>  
>  config GPIO_XILINX
> -	bool "Xilinx GPIO support"
> -	depends on PPC_OF || MICROBLAZE || ARCH_ZYNQ
> +	tristate "Xilinx GPIO support"
> +	depends on OF_GPIO && (PPC_OF || MICROBLAZE || ARCH_ZYNQ || ARCH_X86)

There's no Kconfig symbol "ARCH_X86". Did you actually mean "X86"?

>  	help
>  	  Say yes here to support the Xilinx FPGA GPIO device
>  
> diff --git a/drivers/gpio/gpio-xilinx.c b/drivers/gpio/gpio-xilinx.c
> index c7ed92b..554060a 100644
> --- a/drivers/gpio/gpio-xilinx.c
> +++ b/drivers/gpio/gpio-xilinx.c
> @@ -30,7 +30,7 @@
>  #define XGPIO_CHANNEL_OFFSET	0x8
>  
>  /* Read/Write access to the GPIO registers */
> -#ifdef CONFIG_ARCH_ZYNQ
> +#if defined(CONFIG_ARCH_ZYNQ) || defined(CONFIG_X86)

Yes, you probably did want just "X86".

>  # define xgpio_readreg(offset)		readl(offset)
>  # define xgpio_writereg(offset, val)	writel(val, offset)
>  #else


Paul Bolle

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