[PATCH 1/3] gpio: Use __gpiod_request directly

[Markus Pargmann]

From: Markus Pargmann <mpa at devmp.org>

There is no reason to find out chip and hwnum to use to request a gpio
and get another gpio descriptor. We already have the descriptor we want
to use so we can directly use it.

Signed-off-by: Markus Pargmann <mpa at pengutronix.de>
---
 drivers/gpio/gpiolib.c | 17 ++++++-----------
 1 file changed, 6 insertions(+), 11 deletions(-)

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 79a0b41ce57b..872fdd3617c1 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -2189,25 +2189,20 @@ EXPORT_SYMBOL_GPL(__gpiod_get_index_optional);
 int gpiod_hog(struct gpio_desc *desc, const char *name,
 	      unsigned long lflags, enum gpiod_flags dflags)
 {
-	struct gpio_chip *chip;
-	struct gpio_desc *local_desc;
-	int hwnum;
 	int status;
 
-	chip = gpiod_to_chip(desc);
-	hwnum = gpio_chip_hwgpio(desc);
-
-	local_desc = gpiochip_request_own_desc(chip, hwnum, name);
-	if (IS_ERR(local_desc)) {
+	status = __gpiod_request(desc, name);
+	if (status) {
 		pr_err("requesting hog GPIO %s (chip %s, offset %d) failed\n",
-		       name, chip->label, hwnum);
-		return PTR_ERR(local_desc);
+		       name, gpiod_to_chip(desc)->label,
+		       gpio_chip_hwgpio(desc));
+		return status;
 	}
 
 	status = gpiod_configure_flags(desc, name, lflags, dflags);
 	if (status < 0) {
 		pr_err("setup of hog GPIO %s (chip %s, offset %d) failed\n",
-		       name, chip->label, hwnum);
+		       name, gpiod_to_chip(desc)->label, gpio_chip_hwgpio(desc));
 		gpiochip_free_own_desc(desc);
 		return status;
 	}
-- 
2.4.6