This makes the driver use the data pointer added to the gpio_chip
to store a pointer to the state container instead of relying on
container_of().

Cc: Hauke Mehrtens <ha...@hauke-m.de>
Cc: Michael Buesch <m...@bues.ch>
Signed-off-by: Linus Walleij <linus.wall...@linaro.org>
---
Micael please ACK this so I can take it through the GPIO tree.
---
 drivers/ssb/driver_gpio.c | 33 ++++++++++++++-------------------
 1 file changed, 14 insertions(+), 19 deletions(-)

diff --git a/drivers/ssb/driver_gpio.c b/drivers/ssb/driver_gpio.c
index f92e266d48f8..180e027b1c8a 100644
--- a/drivers/ssb/driver_gpio.c
+++ b/drivers/ssb/driver_gpio.c
@@ -8,7 +8,7 @@
  * Licensed under the GNU/GPL. See COPYING for details.
  */
 
-#include <linux/gpio.h>
+#include <linux/gpio/driver.h>
 #include <linux/irq.h>
 #include <linux/interrupt.h>
 #include <linux/irqdomain.h>
@@ -22,15 +22,10 @@
  * Shared
  **************************************************/
 
-static struct ssb_bus *ssb_gpio_get_bus(struct gpio_chip *chip)
-{
-       return container_of(chip, struct ssb_bus, gpio);
-}
-
 #if IS_ENABLED(CONFIG_SSB_EMBEDDED)
 static int ssb_gpio_to_irq(struct gpio_chip *chip, unsigned gpio)
 {
-       struct ssb_bus *bus = ssb_gpio_get_bus(chip);
+       struct ssb_bus *bus = gpiochip_get_data(chip);
 
        if (bus->bustype == SSB_BUSTYPE_SSB)
                return irq_find_mapping(bus->irq_domain, gpio);
@@ -45,7 +40,7 @@ static int ssb_gpio_to_irq(struct gpio_chip *chip, unsigned 
gpio)
 
 static int ssb_gpio_chipco_get_value(struct gpio_chip *chip, unsigned gpio)
 {
-       struct ssb_bus *bus = ssb_gpio_get_bus(chip);
+       struct ssb_bus *bus = gpiochip_get_data(chip);
 
        return !!ssb_chipco_gpio_in(&bus->chipco, 1 << gpio);
 }
@@ -53,7 +48,7 @@ static int ssb_gpio_chipco_get_value(struct gpio_chip *chip, 
unsigned gpio)
 static void ssb_gpio_chipco_set_value(struct gpio_chip *chip, unsigned gpio,
                                      int value)
 {
-       struct ssb_bus *bus = ssb_gpio_get_bus(chip);
+       struct ssb_bus *bus = gpiochip_get_data(chip);
 
        ssb_chipco_gpio_out(&bus->chipco, 1 << gpio, value ? 1 << gpio : 0);
 }
@@ -61,7 +56,7 @@ static void ssb_gpio_chipco_set_value(struct gpio_chip *chip, 
unsigned gpio,
 static int ssb_gpio_chipco_direction_input(struct gpio_chip *chip,
                                           unsigned gpio)
 {
-       struct ssb_bus *bus = ssb_gpio_get_bus(chip);
+       struct ssb_bus *bus = gpiochip_get_data(chip);
 
        ssb_chipco_gpio_outen(&bus->chipco, 1 << gpio, 0);
        return 0;
@@ -70,7 +65,7 @@ static int ssb_gpio_chipco_direction_input(struct gpio_chip 
*chip,
 static int ssb_gpio_chipco_direction_output(struct gpio_chip *chip,
                                            unsigned gpio, int value)
 {
-       struct ssb_bus *bus = ssb_gpio_get_bus(chip);
+       struct ssb_bus *bus = gpiochip_get_data(chip);
 
        ssb_chipco_gpio_outen(&bus->chipco, 1 << gpio, 1 << gpio);
        ssb_chipco_gpio_out(&bus->chipco, 1 << gpio, value ? 1 << gpio : 0);
@@ -79,7 +74,7 @@ static int ssb_gpio_chipco_direction_output(struct gpio_chip 
*chip,
 
 static int ssb_gpio_chipco_request(struct gpio_chip *chip, unsigned gpio)
 {
-       struct ssb_bus *bus = ssb_gpio_get_bus(chip);
+       struct ssb_bus *bus = gpiochip_get_data(chip);
 
        ssb_chipco_gpio_control(&bus->chipco, 1 << gpio, 0);
        /* clear pulldown */
@@ -92,7 +87,7 @@ static int ssb_gpio_chipco_request(struct gpio_chip *chip, 
unsigned gpio)
 
 static void ssb_gpio_chipco_free(struct gpio_chip *chip, unsigned gpio)
 {
-       struct ssb_bus *bus = ssb_gpio_get_bus(chip);
+       struct ssb_bus *bus = gpiochip_get_data(chip);
 
        /* clear pullup */
        ssb_chipco_gpio_pullup(&bus->chipco, 1 << gpio, 0);
@@ -246,7 +241,7 @@ static int ssb_gpio_chipco_init(struct ssb_bus *bus)
        if (err)
                return err;
 
-       err = gpiochip_add(chip);
+       err = gpiochip_add_data(chip, bus);
        if (err) {
                ssb_gpio_irq_chipco_domain_exit(bus);
                return err;
@@ -263,7 +258,7 @@ static int ssb_gpio_chipco_init(struct ssb_bus *bus)
 
 static int ssb_gpio_extif_get_value(struct gpio_chip *chip, unsigned gpio)
 {
-       struct ssb_bus *bus = ssb_gpio_get_bus(chip);
+       struct ssb_bus *bus = gpiochip_get_data(chip);
 
        return !!ssb_extif_gpio_in(&bus->extif, 1 << gpio);
 }
@@ -271,7 +266,7 @@ static int ssb_gpio_extif_get_value(struct gpio_chip *chip, 
unsigned gpio)
 static void ssb_gpio_extif_set_value(struct gpio_chip *chip, unsigned gpio,
                                     int value)
 {
-       struct ssb_bus *bus = ssb_gpio_get_bus(chip);
+       struct ssb_bus *bus = gpiochip_get_data(chip);
 
        ssb_extif_gpio_out(&bus->extif, 1 << gpio, value ? 1 << gpio : 0);
 }
@@ -279,7 +274,7 @@ static void ssb_gpio_extif_set_value(struct gpio_chip 
*chip, unsigned gpio,
 static int ssb_gpio_extif_direction_input(struct gpio_chip *chip,
                                          unsigned gpio)
 {
-       struct ssb_bus *bus = ssb_gpio_get_bus(chip);
+       struct ssb_bus *bus = gpiochip_get_data(chip);
 
        ssb_extif_gpio_outen(&bus->extif, 1 << gpio, 0);
        return 0;
@@ -288,7 +283,7 @@ static int ssb_gpio_extif_direction_input(struct gpio_chip 
*chip,
 static int ssb_gpio_extif_direction_output(struct gpio_chip *chip,
                                           unsigned gpio, int value)
 {
-       struct ssb_bus *bus = ssb_gpio_get_bus(chip);
+       struct ssb_bus *bus = gpiochip_get_data(chip);
 
        ssb_extif_gpio_outen(&bus->extif, 1 << gpio, 1 << gpio);
        ssb_extif_gpio_out(&bus->extif, 1 << gpio, value ? 1 << gpio : 0);
@@ -439,7 +434,7 @@ static int ssb_gpio_extif_init(struct ssb_bus *bus)
        if (err)
                return err;
 
-       err = gpiochip_add(chip);
+       err = gpiochip_add_data(chip, bus);
        if (err) {
                ssb_gpio_irq_extif_domain_exit(bus);
                return err;
-- 
2.4.3

--
To unsubscribe from this list: send the line "unsubscribe linux-gpio" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to