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pinctrl: th1520: Convert thp->mutex to guarded mutex

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Convert th1520_pinctrl_dt_node_to_map() to use guarded mutex for
thp->mutex.

Suggested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Drew Fustini <dfustini@tenstorrent.com>
Link: https://lore.kernel.org/20241008-th1520-pinctrl-fixes-v3-2-5b60db446a49@tenstorrent.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Drew Fustini
2024-10-08 18:16:47 -07:00
committed by Linus Walleij
parent 7027e36f55
commit f3a3d006a4
1 changed files with 1 additions and 3 deletions
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4
drivers/pinctrl/pinctrl-th1520.c
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@@ -444,7 +444,7 @@ static int th1520_pinctrl_dt_node_to_map(struct pinctrl_dev *pctldev,
return -ENOMEM;
nmaps = 0;
mutex_lock(&thp->mutex);
guard(mutex)(&thp->mutex);
for_each_available_child_of_node(np, child) {
unsigned int rollback = nmaps;
enum th1520_muxtype muxtype;
@@ -531,7 +531,6 @@ static int th1520_pinctrl_dt_node_to_map(struct pinctrl_dev *pctldev,
*maps = map;
*num_maps = nmaps;
mutex_unlock(&thp->mutex);
return 0;
free_configs:
@@ -539,7 +538,6 @@ static int th1520_pinctrl_dt_node_to_map(struct pinctrl_dev *pctldev,
put_child:
of_node_put(child);
th1520_pinctrl_dt_free_map(pctldev, map, nmaps);
mutex_unlock(&thp->mutex);
return ret;
}