From b1a38567a9ed04d0c235023d5b2a70cce1a3bc4c Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@ingics.com>
Date: Sat, 7 Oct 2017 22:36:53 +0000
Subject: [PATCH] gpio: mcp23s08: Select REGMAP/REGMAP_I2C to fix build error

[ Upstream commit e8e1a5b5679b1ae1ff03a3883b011b84e7226171 ]

This driver now using devm_regmap_init/devm_regmap_init_i2c, so it needs
to select REGMAP/REGMAP_I2C accordingly.

Fixes: ("3d84fdb3f0b5 gpio: mcp23s08: use regmap")
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-By: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/gpio/Kconfig | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index ed37e5908b91..12d417a4d4a8 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -1187,6 +1187,8 @@ config GPIO_MCP23S08
 	tristate "Microchip MCP23xxx I/O expander"
 	depends on OF_GPIO
 	select GPIOLIB_IRQCHIP
+	select REGMAP_I2C if I2C
+	select REGMAP if SPI_MASTER
 	help
 	  SPI/I2C driver for Microchip MCP23S08/MCP23S17/MCP23008/MCP23017
 	  I/O expanders.