diff options
| author | Tejun Heo <tj@kernel.org> | 2013-02-27 17:04:06 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-02-27 19:10:15 -0800 |
| commit | 62f516b8d6b0610c257b4f92264e00a8dee77a0b (patch) | |
| tree | bf10ffd02463618c5aaf1632e294054d202167ed /drivers | |
| parent | 37b61890d757f606c25ac5a247572cb7d5efde96 (diff) | |
gpio: convert to idr_alloc()
Convert to the much saner new idr interface.
Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpio/gpiolib.c | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 4828fe7c66c..fff9786cdc6 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -411,15 +411,10 @@ static int gpio_setup_irq(struct gpio_desc *desc, struct device *dev, goto err_out; } - do { - ret = -ENOMEM; - if (idr_pre_get(&dirent_idr, GFP_KERNEL)) - ret = idr_get_new_above(&dirent_idr, value_sd, - 1, &id); - } while (ret == -EAGAIN); - - if (ret) + ret = idr_alloc(&dirent_idr, value_sd, 1, 0, GFP_KERNEL); + if (ret < 0) goto free_sd; + id = ret; desc->flags &= GPIO_FLAGS_MASK; desc->flags |= (unsigned long)id << ID_SHIFT; |