This is a transitional change to avoid breaking git bisect-ability
while converting GPIO controller drivers to set their operations by
using the newly introduced struct gpio_chip_ops virtual function table.
It should be removed once all GPIO chip drivers have been converted.
Signed-off-by: Javier Martinez Canillas <javier.martinez@xxxxxxxxxxxxxxx>
---
drivers/gpio/gpiolib.c | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 761013f..f0cc93a 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -1188,6 +1188,25 @@ int gpiochip_add(struct gpio_chip *chip)
goto fail;
}
+ /*
+ * REVISIT: this is a workaround to not break git bisectability by
+ * allowing GPIO controller drivers to set either either the function
+ * pointers embedded in struct gpio_chip or by using a gpio_chip_ops.
+ *
+ * Should be removed once all drivers are converted to set chip->ops.
+ */
+ if (chip->ops) {
+ chip->request = chip->ops->request;
+ chip->free = chip->ops->free;
+ chip->get_direction = chip->ops->get_direction;
+ chip->direction_input = chip->ops->direction_input;
+ chip->direction_output = chip->ops->direction_output;
+ chip->get = chip->ops->get;
+ chip->set = chip->ops->set;
+ chip->set_debounce = chip->ops->set_debounce;
+ chip->dbg_show = chip->ops->dbg_show;
+ }
+
spin_lock_irqsave(&gpio_lock, flags);
if (base < 0) {
--
1.9.0
--
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