diff options
Diffstat (limited to 'drivers/pinctrl/pinctrl-tz1090.c')
| -rw-r--r-- | drivers/pinctrl/pinctrl-tz1090.c | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/drivers/pinctrl/pinctrl-tz1090.c b/drivers/pinctrl/pinctrl-tz1090.c index bc9cd7a7602e..24082216842e 100644 --- a/drivers/pinctrl/pinctrl-tz1090.c +++ b/drivers/pinctrl/pinctrl-tz1090.c @@ -1479,63 +1479,6 @@ mux_pins: } /** - * tz1090_pinctrl_disable() - Disable a function on a pin group. - * @pctldev: Pin control data - * @function: Function index to disable - * @group: Group index to disable - * - * Disable a particular function on a group of pins. The per GPIO pin pseudo pin - * groups can be used (in which case the pin will be taken out of peripheral - * mode. Some convenience pin groups can also be used in which case the effect - * is the same as enabling the function on each individual pin in the group. - */ -static void tz1090_pinctrl_disable(struct pinctrl_dev *pctldev, - unsigned int function, unsigned int group) -{ - struct tz1090_pmx *pmx = pinctrl_dev_get_drvdata(pctldev); - struct tz1090_pingroup *grp; - unsigned int pin_num, mux_group, i, npins; - const unsigned int *pins; - - /* group of pins? */ - if (group < ARRAY_SIZE(tz1090_groups)) { - grp = &tz1090_groups[group]; - npins = grp->npins; - pins = grp->pins; - /* - * All pins in the group must belong to the same mux group, - * which allows us to just use the mux group of the first pin. - * By explicitly listing permitted pingroups for each function - * the pinmux core should ensure this is always the case. - */ - } else { - pin_num = group - ARRAY_SIZE(tz1090_groups); - npins = 1; - pins = &pin_num; - } - mux_group = tz1090_mux_pins[*pins]; - - /* no mux group, but can still be individually muxed to peripheral */ - if (mux_group >= TZ1090_MUX_GROUP_MAX) { - if (function == TZ1090_MUX_PERIP) - goto unmux_pins; - return; - } - - /* mux group already set to a different function? */ - grp = &tz1090_mux_groups[mux_group]; - dev_dbg(pctldev->dev, "%s: unmuxing %u pin(s) in '%s' from '%s'\n", - __func__, npins, grp->name, tz1090_functions[function].name); - - /* subtract pins from ref count and unmux individually */ - WARN_ON(grp->func_count < npins); - grp->func_count -= npins; -unmux_pins: - for (i = 0; i < npins; ++i) - tz1090_pinctrl_perip_select(pmx, pins[i], false); -} - -/** * tz1090_pinctrl_gpio_request_enable() - Put pin in GPIO mode. * @pctldev: Pin control data * @range: GPIO range @@ -1575,7 +1518,6 @@ static struct pinmux_ops tz1090_pinmux_ops = { .get_function_name = tz1090_pinctrl_get_func_name, .get_function_groups = tz1090_pinctrl_get_func_groups, .enable = tz1090_pinctrl_enable, - .disable = tz1090_pinctrl_disable, .gpio_request_enable = tz1090_pinctrl_gpio_request_enable, .gpio_disable_free = tz1090_pinctrl_gpio_disable_free, }; |