diff options
| -rw-r--r-- | Documentation/pinctrl.txt | 2 | ||||
| -rw-r--r-- | drivers/pinctrl/pinctrl-adi2.c | 2 | ||||
| -rw-r--r-- | drivers/pinctrl/pinmux.c | 4 | ||||
| -rw-r--r-- | include/linux/pinctrl/pinctrl.h | 3 | ||||
| -rw-r--r-- | include/linux/pinctrl/pinmux.h | 4 |
5 files changed, 8 insertions, 7 deletions
diff --git a/Documentation/pinctrl.txt b/Documentation/pinctrl.txt index d6b2bed94c43..4976389e432d 100644 --- a/Documentation/pinctrl.txt +++ b/Documentation/pinctrl.txt @@ -73,7 +73,6 @@ static struct pinctrl_desc foo_desc = { .pins = foo_pins, .npins = ARRAY_SIZE(foo_pins), .owner = THIS_MODULE, - .strict = true, }; int __init foo_probe(void) @@ -715,6 +714,7 @@ static struct pinmux_ops foo_pmxops = { .get_function_name = foo_get_fname, .get_function_groups = foo_get_groups, .set_mux = foo_set_mux, + .strict = true, }; /* Pinmux operations are handled by some pin controller */ diff --git a/drivers/pinctrl/pinctrl-adi2.c b/drivers/pinctrl/pinctrl-adi2.c index fbd492668da1..49df9037b41e 100644 --- a/drivers/pinctrl/pinctrl-adi2.c +++ b/drivers/pinctrl/pinctrl-adi2.c @@ -703,6 +703,7 @@ static struct pinmux_ops adi_pinmux_ops = { .get_function_name = adi_pinmux_get_func_name, .get_function_groups = adi_pinmux_get_groups, .gpio_request_enable = adi_pinmux_request_gpio, + .strict = true, }; @@ -710,7 +711,6 @@ static struct pinctrl_desc adi_pinmux_desc = { .name = DRIVER_NAME, .pctlops = &adi_pctrl_ops, .pmxops = &adi_pinmux_ops, - .strict = true, .owner = THIS_MODULE, }; diff --git a/drivers/pinctrl/pinmux.c b/drivers/pinctrl/pinmux.c index 2546fa783464..c58c168b06c2 100644 --- a/drivers/pinctrl/pinmux.c +++ b/drivers/pinctrl/pinmux.c @@ -107,7 +107,7 @@ static int pin_request(struct pinctrl_dev *pctldev, desc->name, desc->gpio_owner, owner); goto out; } - if (pctldev->desc->strict && desc->mux_usecount && + if (ops->strict && desc->mux_usecount && strcmp(desc->mux_owner, owner)) { dev_err(pctldev->dev, "pin %s already requested by %s; cannot claim for %s\n", @@ -123,7 +123,7 @@ static int pin_request(struct pinctrl_dev *pctldev, desc->name, desc->mux_owner, owner); goto out; } - if (pctldev->desc->strict && desc->gpio_owner) { + if (ops->strict && desc->gpio_owner) { dev_err(pctldev->dev, "pin %s already requested by %s; cannot claim for %s\n", desc->name, desc->gpio_owner, owner); diff --git a/include/linux/pinctrl/pinctrl.h b/include/linux/pinctrl/pinctrl.h index fc6b0348c375..66e4697516de 100644 --- a/include/linux/pinctrl/pinctrl.h +++ b/include/linux/pinctrl/pinctrl.h @@ -114,8 +114,6 @@ struct pinctrl_ops { * of the pins field above * @pctlops: pin control operation vtable, to support global concepts like * grouping of pins, this is optional. - * @strict: check both gpio_owner and mux_owner strictly before approving - the pin request * @pmxops: pinmux operations vtable, if you support pinmuxing in your driver * @confops: pin config operations vtable, if you support pin configuration in * your driver @@ -134,7 +132,6 @@ struct pinctrl_desc { const struct pinctrl_ops *pctlops; const struct pinmux_ops *pmxops; const struct pinconf_ops *confops; - bool strict; struct module *owner; #ifdef CONFIG_GENERIC_PINCONF unsigned int num_custom_params; diff --git a/include/linux/pinctrl/pinmux.h b/include/linux/pinctrl/pinmux.h index 511bda9ed4bf..d3740fa7073f 100644 --- a/include/linux/pinctrl/pinmux.h +++ b/include/linux/pinctrl/pinmux.h @@ -56,6 +56,9 @@ struct pinctrl_dev; * depending on whether the GPIO is configured as input or output, * a direction selector function may be implemented as a backing * to the GPIO controllers that need pin muxing. + * @strict: do not allow simultaneous use of the same pin for GPIO and another + * function. Check both gpio_owner and mux_owner strictly before approving + * the pin request. */ struct pinmux_ops { int (*request) (struct pinctrl_dev *pctldev, unsigned offset); @@ -79,6 +82,7 @@ struct pinmux_ops { struct pinctrl_gpio_range *range, unsigned offset, bool input); + bool strict; }; #endif /* CONFIG_PINMUX */ |