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Subject[PATCH 2/3] blackfin: gpio: Remove none gpio lib code.
Date
From: Sonic Zhang <sonic.zhang@analog.com>

- Remove non gpio lib code from blackfin architecture.
- Limit the lagecy blackfin gpio driver to bf5xx processors only.
- Remove unused definition of the pint power functions.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
---
arch/blackfin/Kconfig | 7 ++
arch/blackfin/include/asm/gpio.h | 157 +++++----------------------------------
2 files changed, 27 insertions(+), 137 deletions(-)

diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index 3b6abc5..9307e7a 100644
--- a/arch/blackfin/Kconfig
+++ b/arch/blackfin/Kconfig
@@ -53,6 +53,9 @@ config GENERIC_BUG
config ZONE_DMA
def_bool y

+config GENERIC_GPIO
+ def_bool y
+
config FORCE_MAX_ZONEORDER
int
default "14"
@@ -318,6 +321,10 @@ config BF53x
depends on (BF531 || BF532 || BF533 || BF534 || BF536 || BF537)
default y

+config GPIO_ADI
+ def_bool y
+ depends on (BF51x || BF52x || BF53x || BF538 || BF539 || BF561)
+
config MEM_MT48LC64M4A2FB_7E
bool
depends on (BFIN533_STAMP)
diff --git a/arch/blackfin/include/asm/gpio.h b/arch/blackfin/include/asm/gpio.h
index 98d0133..99d338c 100644
--- a/arch/blackfin/include/asm/gpio.h
+++ b/arch/blackfin/include/asm/gpio.h
@@ -25,8 +25,12 @@

#ifndef __ASSEMBLY__

+#ifndef CONFIG_PINCTRL
+
#include <linux/compiler.h>
-#include <linux/gpio.h>
+#include <asm/blackfin.h>
+#include <asm/portmux.h>
+#include <asm/irq_handler.h>

/***********************************************************
*
@@ -45,7 +49,6 @@
* MODIFICATION HISTORY :
**************************************************************/

-#if !BFIN_GPIO_PINT
void set_gpio_dir(unsigned, unsigned short);
void set_gpio_inen(unsigned, unsigned short);
void set_gpio_polar(unsigned, unsigned short);
@@ -115,7 +118,6 @@ struct gpio_port_t {
unsigned short dummy16;
unsigned short inen;
};
-#endif

#ifdef BFIN_SPECIAL_GPIO_BANKS
void bfin_special_gpio_free(unsigned gpio);
@@ -127,25 +129,21 @@ void bfin_special_gpio_pm_hibernate_suspend(void);
#endif

#ifdef CONFIG_PM
-int bfin_pm_standby_ctrl(unsigned ctrl);
+void bfin_gpio_pm_hibernate_restore(void);
+void bfin_gpio_pm_hibernate_suspend(void);
+int bfin_gpio_pm_wakeup_ctrl(unsigned gpio, unsigned ctrl);
+int bfin_gpio_pm_standby_ctrl(unsigned ctrl);

static inline int bfin_pm_standby_setup(void)
{
- return bfin_pm_standby_ctrl(1);
+ return bfin_gpio_pm_standby_ctrl(1);
}

static inline void bfin_pm_standby_restore(void)
{
- bfin_pm_standby_ctrl(0);
+ bfin_gpio_pm_standby_ctrl(0);
}

-void bfin_gpio_pm_hibernate_restore(void);
-void bfin_gpio_pm_hibernate_suspend(void);
-void bfin_pint_suspend(void);
-void bfin_pint_resume(void);
-
-# if !BFIN_GPIO_PINT
-int gpio_pm_wakeup_ctrl(unsigned gpio, unsigned ctrl);

struct gpio_port_s {
unsigned short data;
@@ -161,7 +159,6 @@ struct gpio_port_s {
unsigned short reserved;
unsigned short mux;
};
-# endif
#endif /*CONFIG_PM*/

/***********************************************************
@@ -178,36 +175,29 @@ struct gpio_port_s {
*************************************************************
* MODIFICATION HISTORY :
**************************************************************/
-
-int bfin_gpio_request(unsigned gpio, const char *label);
-void bfin_gpio_free(unsigned gpio);
int bfin_gpio_irq_request(unsigned gpio, const char *label);
void bfin_gpio_irq_free(unsigned gpio);
-int bfin_gpio_direction_input(unsigned gpio);
-int bfin_gpio_direction_output(unsigned gpio, int value);
-int bfin_gpio_get_value(unsigned gpio);
-void bfin_gpio_set_value(unsigned gpio, int value);
+void bfin_gpio_irq_prepare(unsigned gpio);
+
+static inline int irq_to_gpio(unsigned irq)
+{
+ return irq - GPIO_IRQ_BASE;
+}
+#endif /* CONFIG_PINCTRL */

#include <asm/irq.h>
#include <asm/errno.h>

-#ifdef CONFIG_GPIOLIB
#include <asm-generic/gpio.h> /* cansleep wrappers */

static inline int gpio_get_value(unsigned int gpio)
{
- if (gpio < MAX_BLACKFIN_GPIOS)
- return bfin_gpio_get_value(gpio);
- else
- return __gpio_get_value(gpio);
+ return __gpio_get_value(gpio);
}

static inline void gpio_set_value(unsigned int gpio, int value)
{
- if (gpio < MAX_BLACKFIN_GPIOS)
- bfin_gpio_set_value(gpio, value);
- else
- __gpio_set_value(gpio, value);
+ __gpio_set_value(gpio, value);
}

static inline int gpio_cansleep(unsigned int gpio)
@@ -219,113 +209,6 @@ static inline int gpio_to_irq(unsigned gpio)
{
return __gpio_to_irq(gpio);
}
-
-#else /* !CONFIG_GPIOLIB */
-
-static inline int gpio_request(unsigned gpio, const char *label)
-{
- return bfin_gpio_request(gpio, label);
-}
-
-static inline void gpio_free(unsigned gpio)
-{
- return bfin_gpio_free(gpio);
-}
-
-static inline int gpio_direction_input(unsigned gpio)
-{
- return bfin_gpio_direction_input(gpio);
-}
-
-static inline int gpio_direction_output(unsigned gpio, int value)
-{
- return bfin_gpio_direction_output(gpio, value);
-}
-
-static inline int gpio_set_debounce(unsigned gpio, unsigned debounce)
-{
- return -EINVAL;
-}
-
-static inline int gpio_request_one(unsigned gpio, unsigned long flags, const char *label)
-{
- int err;
-
- err = bfin_gpio_request(gpio, label);
- if (err)
- return err;
-
- if (flags & GPIOF_DIR_IN)
- err = bfin_gpio_direction_input(gpio);
- else
- err = bfin_gpio_direction_output(gpio,
- (flags & GPIOF_INIT_HIGH) ? 1 : 0);
-
- if (err)
- bfin_gpio_free(gpio);
-
- return err;
-}
-
-static inline int gpio_request_array(const struct gpio *array, size_t num)
-{
- int i, err;
-
- for (i = 0; i < num; i++, array++) {
- err = gpio_request_one(array->gpio, array->flags, array->label);
- if (err)
- goto err_free;
- }
- return 0;
-
-err_free:
- while (i--)
- bfin_gpio_free((--array)->gpio);
- return err;
-}
-
-static inline void gpio_free_array(const struct gpio *array, size_t num)
-{
- while (num--)
- bfin_gpio_free((array++)->gpio);
-}
-
-static inline int __gpio_get_value(unsigned gpio)
-{
- return bfin_gpio_get_value(gpio);
-}
-
-static inline void __gpio_set_value(unsigned gpio, int value)
-{
- return bfin_gpio_set_value(gpio, value);
-}
-
-static inline int gpio_get_value(unsigned gpio)
-{
- return __gpio_get_value(gpio);
-}
-
-static inline void gpio_set_value(unsigned gpio, int value)
-{
- return __gpio_set_value(gpio, value);
-}
-
-static inline int gpio_to_irq(unsigned gpio)
-{
- if (likely(gpio < MAX_BLACKFIN_GPIOS))
- return gpio + GPIO_IRQ_BASE;
-
- return -EINVAL;
-}
-
-#include <asm-generic/gpio.h> /* cansleep wrappers */
-#endif /* !CONFIG_GPIOLIB */
-
-static inline int irq_to_gpio(unsigned irq)
-{
- return (irq - GPIO_IRQ_BASE);
-}
-
#endif /* __ASSEMBLY__ */

#endif /* __ARCH_BLACKFIN_GPIO_H__ */
--
1.8.2.3



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