diff options
Diffstat (limited to 'drivers/pinctrl/core.c')
| -rw-r--r-- | drivers/pinctrl/core.c | 32 |
1 files changed, 26 insertions, 6 deletions
diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c index f424a57f0013..4061890a1748 100644 --- a/drivers/pinctrl/core.c +++ b/drivers/pinctrl/core.c @@ -1670,13 +1670,23 @@ static int pinctrl_pins_show(struct seq_file *s, void *what) seq_printf(s, "pin %d (%s) ", pin, desc->name); #ifdef CONFIG_GPIOLIB + gdev = NULL; gpio_num = -1; list_for_each_entry(range, &pctldev->gpio_ranges, node) { - if ((pin >= range->pin_base) && - (pin < (range->pin_base + range->npins))) { - gpio_num = range->base + (pin - range->pin_base); - break; + if (range->pins != NULL) { + for (int i = 0; i < range->npins; ++i) { + if (range->pins[i] == pin) { + gpio_num = range->base + i; + break; + } + } + } else if ((pin >= range->pin_base) && + (pin < (range->pin_base + range->npins))) { + gpio_num = + range->base + (pin - range->pin_base); } + if (gpio_num != -1) + break; } if (gpio_num >= 0) /* @@ -1961,7 +1971,7 @@ static void pinctrl_remove_device_debugfs(struct pinctrl_dev *pctldev) static void pinctrl_init_debugfs(void) { debugfs_root = debugfs_create_dir("pinctrl", NULL); - if (IS_ERR(debugfs_root) || !debugfs_root) { + if (IS_ERR(debugfs_root)) { pr_warn("failed to create debugfs directory\n"); debugfs_root = NULL; return; @@ -2080,6 +2090,14 @@ out_err: return ERR_PTR(ret); } +static void pinctrl_uninit_controller(struct pinctrl_dev *pctldev, struct pinctrl_desc *pctldesc) +{ + pinctrl_free_pindescs(pctldev, pctldesc->pins, + pctldesc->npins); + mutex_destroy(&pctldev->mutex); + kfree(pctldev); +} + static int pinctrl_claim_hogs(struct pinctrl_dev *pctldev) { pctldev->p = create_pinctrl(pctldev->dev, pctldev); @@ -2160,8 +2178,10 @@ struct pinctrl_dev *pinctrl_register(struct pinctrl_desc *pctldesc, return pctldev; error = pinctrl_enable(pctldev); - if (error) + if (error) { + pinctrl_uninit_controller(pctldev, pctldesc); return ERR_PTR(error); + } return pctldev; } |