Re: [PATCH 5/5] gpio: move gpio_ensure_requested() into legacy C file

From: Varka Bhadram
Date: Tue Jul 22 2014 - 04:32:00 EST


On 07/22/2014 12:47 PM, Alexandre Courbot wrote:

(...)

+ if (WARN(test_and_set_bit(FLAG_REQUESTED, &desc->flags) == 0,
+ "autorequest GPIO-%d\n", desc_to_gpio(desc))) {
+ if (!try_module_get(chip->owner)) {
+ gpiod_err(desc, "%s: module can't be gotten\n",
+ __func__);

Should match open parenthesis '('

gpiod_err(desc, "%s: module can't be gotten\n",
__func__);

+ clear_bit(FLAG_REQUESTED, &desc->flags);
+ /* lose */
+ err = -EIO;
+ goto end;
+ }
+ desc->label = "[auto]";
+ /* caller must chip->request() w/o spinlock */
+ if (chip->request)
+ request = true;
+ }
+
+end:
+ spin_unlock_irqrestore(&gpio_lock, flags);
+
+ if (request) {
+ might_sleep_if(chip->can_sleep);
+ err = chip->request(chip, gpio_chip_hwgpio(desc));
+
+ if (err < 0) {
+ gpiod_dbg(desc, "%s: chip request fail, %d\n",
+ __func__, err);

Dto..

(...)


--
Regards,
Varka Bhadram.

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