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Revert "gpiolib: request the gpio before querying its direction" 

This reverts commit 108d23e322.
It turns out this causes a regression on the OMAP, Marvell
and Renesas.

Reported-by: Tony Lindgren <tony@atomide.com>
Reported-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Reported-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2017-08-31 07:58:17 +02:00
parent 1253baaaff
commit 9e238e380c
1 changed files with 0 additions and 11 deletions
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11
drivers/gpio/gpiolib.c
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@ -1221,14 +1221,6 @@ int gpiochip_add_data(struct gpio_chip *chip, void *data)
struct gpio_desc *desc = &gdev->descs[i]; struct gpio_desc *desc = &gdev->descs[i];
desc->gdev = gdev; desc->gdev = gdev;
if (chip->request) {
status = chip->request(chip, i);
if (status < 0)
/* The GPIO is unavailable, so skip it */
continue;
}
/* /*
* REVISIT: most hardware initializes GPIOs as inputs * REVISIT: most hardware initializes GPIOs as inputs
* (often with pullups enabled) so power usage is * (often with pullups enabled) so power usage is
@ -1254,9 +1246,6 @@ int gpiochip_add_data(struct gpio_chip *chip, void *data)
*/ */
set_bit(FLAG_IS_OUT, &desc->flags); set_bit(FLAG_IS_OUT, &desc->flags);
} }
if (chip->free)
chip->free(chip, i);
} }
#ifdef CONFIG_PINCTRL #ifdef CONFIG_PINCTRL