mfd/gpio: Move HTC GPIO driver to GPIO subsystem

The HTC GPIO driver is a pure GPIO driver and I just can not
see what it is doing inside MFD. Let's just move it to GPIO
and take this opportunity to move the platform data to
<linux/platform_data/gpio-htc-egpio.h>

Cc: arm@kernel.org
Cc: Russell King <linux@armlinux.org.uk>
Acked-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 0 insertions, 57 deletions

diff --git a/include/linux/mfd/htc-egpio.h b/include/linux/mfd/htc-egpio.h
deleted file mode 100644
index b4201c971367..000000000000
--- a/include/linux/mfd/htc-egpio.h
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- * HTC simple EGPIO irq and gpio extender
- */
-
-#ifndef __HTC_EGPIO_H__
-#define __HTC_EGPIO_H__
-
-#include <linux/gpio.h>
-
-/* Descriptive values for all-in or all-out htc_egpio_chip descriptors. */
-#define HTC_EGPIO_OUTPUT (~0)
-#define HTC_EGPIO_INPUT  0
-
-/**
- * struct htc_egpio_chip - descriptor to create gpio_chip for register range
- * @reg_start: index of first register
- * @gpio_base: gpio number of first pin in this register range
- * @num_gpios: number of gpios in this register range, max BITS_PER_LONG
- *    (number of registers = DIV_ROUND_UP(num_gpios, reg_width))
- * @direction: bitfield, '0' = input, '1' = output,
- */
-struct htc_egpio_chip {
-	int           reg_start;
-	int           gpio_base;
-	int           num_gpios;
-	unsigned long direction;
-	unsigned long initial_values;
-};
-
-/**
- * struct htc_egpio_platform_data - description provided by the arch
- * @irq_base: beginning of available IRQs (eg, IRQ_BOARD_START)
- * @num_irqs: number of irqs
- * @reg_width: number of bits per register, either 8 or 16 bit
- * @bus_width: alignment of the registers, either 16 or 32 bit
- * @invert_acks: set if chip requires writing '0' to ack an irq, instead of '1'
- * @ack_register: location of the irq/ack register
- * @chip: pointer to array of htc_egpio_chip descriptors
- * @num_chips: number of egpio chip descriptors
- */
-struct htc_egpio_platform_data {
-	int                   bus_width;
-	int                   reg_width;
-
-	int                   irq_base;
-	int                   num_irqs;
-	int                   invert_acks;
-	int                   ack_register;
-
-	struct htc_egpio_chip *chip;
-	int                   num_chips;
-};
-
-/* Determine the wakeup irq, to be called during early resume */
-extern int htc_egpio_get_wakeup_irq(struct device *dev);
-
-#endif