[PATCH v5 3/7] gpio/xilinx: Add support for X86 Arch

[Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>]

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@xilinx.com>
Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
---
 drivers/gpio/Kconfig       | 4 ++--
 drivers/gpio/gpio-xilinx.c | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

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)
 	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)
 # define xgpio_readreg(offset)		readl(offset)
 # define xgpio_writereg(offset, val)	writel(val, offset)
 #else
-- 
2.1.3