diff options
| author |   Linus Walleij <linus.walleij@linaro.org> | 2019-08-19 11:11:40 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2019-08-20 10:42:07 +0200 |
| commit | da9b142ab2c55ae8c46242a7624fdf62c4089e7f (patch) | |
| tree | cc5cfd9eed398f4673bf55970c5d196b2284d43f /drivers/pinctrl/pinctrl-stmfx.c | |
| parent | gpio: Pass mask and size with the init_valid_mask() (diff) | |
| download | linux-dev-da9b142ab2c55ae8c46242a7624fdf62c4089e7f.tar.xz linux-dev-da9b142ab2c55ae8c46242a7624fdf62c4089e7f.zip | |
pinctrl: stmfx: Use the callback to populate valid_mask
This makes use of the existing callback to populate the
valid mask instead of iteratively setting it up during
probe.
Cc: Benjamin Gaignard <benjamin.gaignard@st.com>
Cc: Amelie Delaunay <amelie.delaunay@st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20190819091140.622-1-linus.walleij@linaro.org
Diffstat (limited to 'drivers/pinctrl/pinctrl-stmfx.c')
| -rw-r--r-- | drivers/pinctrl/pinctrl-stmfx.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/pinctrl/pinctrl-stmfx.c b/drivers/pinctrl/pinctrl-stmfx.c index d3332da35637..13b6d6f72bcc 100644 --- a/drivers/pinctrl/pinctrl-stmfx.c +++ b/drivers/pinctrl/pinctrl-stmfx.c @@ -585,12 +585,24 @@ static int stmfx_pinctrl_gpio_function_enable(struct stmfx_pinctrl *pctl) return stmfx_function_enable(pctl->stmfx, func); } +static int stmfx_pinctrl_gpio_init_valid_mask(struct gpio_chip *gc, + unsigned long *valid_mask, + unsigned int ngpios) +{ + struct stmfx_pinctrl *pctl = gpiochip_get_data(gc); + u32 n; + + for_each_clear_bit(n, &pctl->gpio_valid_mask, ngpios) + clear_bit(n, valid_mask); + + return 0; +} + static int stmfx_pinctrl_probe(struct platform_device *pdev) { struct stmfx *stmfx = dev_get_drvdata(pdev->dev.parent); struct device_node *np = pdev->dev.of_node; struct stmfx_pinctrl *pctl; - u32 n; int irq, ret; pctl = devm_kzalloc(stmfx->dev, sizeof(*pctl), GFP_KERNEL); @@ -651,6 +663,7 @@ static int stmfx_pinctrl_probe(struct platform_device *pdev) pctl->gpio_chip.can_sleep = true; pctl->gpio_chip.of_node = np; pctl->gpio_chip.need_valid_mask = true; + pctl->gpio_chip.init_valid_mask = stmfx_pinctrl_gpio_init_valid_mask; ret = devm_gpiochip_add_data(pctl->dev, &pctl->gpio_chip, pctl); if (ret) { @@ -668,8 +681,6 @@ static int stmfx_pinctrl_probe(struct platform_device *pdev) pctl->irq_chip.irq_set_type = stmfx_pinctrl_irq_set_type; pctl->irq_chip.irq_bus_lock = stmfx_pinctrl_irq_bus_lock; pctl->irq_chip.irq_bus_sync_unlock = stmfx_pinctrl_irq_bus_sync_unlock; - for_each_clear_bit(n, &pctl->gpio_valid_mask, pctl->gpio_chip.ngpio) - clear_bit(n, pctl->gpio_chip.valid_mask); ret = gpiochip_irqchip_add_nested(&pctl->gpio_chip, &pctl->irq_chip, 0, handle_bad_irq, IRQ_TYPE_NONE); |