diff options
Diffstat (limited to 'drivers/pinctrl/core.c')
| -rw-r--r-- | drivers/pinctrl/core.c | 31 |
1 files changed, 16 insertions, 15 deletions
diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c index 89dca77ca038..8b8f3a04c353 100644 --- a/drivers/pinctrl/core.c +++ b/drivers/pinctrl/core.c @@ -558,7 +558,7 @@ int pinctrl_get_group_selector(struct pinctrl_dev *pctldev, } /** - * pinctrl_request_gpio() - request a single pin to be used in as GPIO + * pinctrl_request_gpio() - request a single pin to be used as GPIO * @gpio: the GPIO pin number from the GPIO subsystem number space * * This function should *ONLY* be used from gpiolib-based GPIO drivers, @@ -1110,12 +1110,12 @@ void devm_pinctrl_put(struct pinctrl *p) EXPORT_SYMBOL_GPL(devm_pinctrl_put); int pinctrl_register_map(struct pinctrl_map const *maps, unsigned num_maps, - bool dup, bool locked) + bool dup) { int i, ret; struct pinctrl_maps *maps_node; - pr_debug("add %d pinmux maps\n", num_maps); + pr_debug("add %u pinctrl maps\n", num_maps); /* First sanity check the new mapping */ for (i = 0; i < num_maps; i++) { @@ -1178,11 +1178,9 @@ int pinctrl_register_map(struct pinctrl_map const *maps, unsigned num_maps, maps_node->maps = maps; } - if (!locked) - mutex_lock(&pinctrl_maps_mutex); + mutex_lock(&pinctrl_maps_mutex); list_add_tail(&maps_node->node, &pinctrl_maps); - if (!locked) - mutex_unlock(&pinctrl_maps_mutex); + mutex_unlock(&pinctrl_maps_mutex); return 0; } @@ -1197,7 +1195,7 @@ int pinctrl_register_map(struct pinctrl_map const *maps, unsigned num_maps, int pinctrl_register_mappings(struct pinctrl_map const *maps, unsigned num_maps) { - return pinctrl_register_map(maps, num_maps, true, false); + return pinctrl_register_map(maps, num_maps, true); } void pinctrl_unregister_map(struct pinctrl_map const *map) @@ -1706,14 +1704,14 @@ struct pinctrl_dev *pinctrl_register(struct pinctrl_desc *pctldesc, int ret; if (!pctldesc) - return NULL; + return ERR_PTR(-EINVAL); if (!pctldesc->name) - return NULL; + return ERR_PTR(-EINVAL); pctldev = kzalloc(sizeof(*pctldev), GFP_KERNEL); if (pctldev == NULL) { dev_err(dev, "failed to alloc struct pinctrl_dev\n"); - return NULL; + return ERR_PTR(-ENOMEM); } /* Initialize pin control device struct */ @@ -1726,20 +1724,23 @@ struct pinctrl_dev *pinctrl_register(struct pinctrl_desc *pctldesc, mutex_init(&pctldev->mutex); /* check core ops for sanity */ - if (pinctrl_check_ops(pctldev)) { + ret = pinctrl_check_ops(pctldev); + if (ret) { dev_err(dev, "pinctrl ops lacks necessary functions\n"); goto out_err; } /* If we're implementing pinmuxing, check the ops for sanity */ if (pctldesc->pmxops) { - if (pinmux_check_ops(pctldev)) + ret = pinmux_check_ops(pctldev); + if (ret) goto out_err; } /* If we're implementing pinconfig, check the ops for sanity */ if (pctldesc->confops) { - if (pinconf_check_ops(pctldev)) + ret = pinconf_check_ops(pctldev); + if (ret) goto out_err; } @@ -1785,7 +1786,7 @@ struct pinctrl_dev *pinctrl_register(struct pinctrl_desc *pctldesc, out_err: mutex_destroy(&pctldev->mutex); kfree(pctldev); - return NULL; + return ERR_PTR(ret); } EXPORT_SYMBOL_GPL(pinctrl_register); |