diff options
Diffstat (limited to 'drivers/pinctrl/core.c')
| -rw-r--r-- | drivers/pinctrl/core.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c index 160fb5aae591..9e32ea311432 100644 --- a/drivers/pinctrl/core.c +++ b/drivers/pinctrl/core.c @@ -158,6 +158,8 @@ static void pinctrl_free_pindescs(struct pinctrl_dev *pctldev, if (pindesc != NULL) { radix_tree_delete(&pctldev->pin_desc_tree, pins[i].number); + if (pindesc->dynamic_name) + kfree(pindesc->name); } kfree(pindesc); } @@ -186,13 +188,20 @@ static int pinctrl_register_one_pin(struct pinctrl_dev *pctldev, pindesc->pctldev = pctldev; /* Copy basic pin info */ - pindesc->name = name; + if (pindesc->name) { + pindesc->name = name; + } else { + pindesc->name = kasprintf(GFP_KERNEL, "PIN%u", number); + if (pindesc->name == NULL) + return -ENOMEM; + pindesc->dynamic_name = true; + } spin_lock(&pctldev->pin_desc_tree_lock); radix_tree_insert(&pctldev->pin_desc_tree, number, pindesc); spin_unlock(&pctldev->pin_desc_tree_lock); pr_debug("registered pin %d (%s) on %s\n", - number, name ? name : "(unnamed)", pctldev->desc->name); + number, pindesc->name, pctldev->desc->name); return 0; } |