[PATCH 01/11] pinctrl: sunxi: create irq/pin mapping during init
From: Hans de Goede <hidden>
Date: 2014-05-26 07:47:56
Also in:
linux-devicetree, linux-mmc, linux-wireless
Subsystem:
arm/allwinner sunxi soc support, pin control subsystem, the rest · Maintainers:
Chen-Yu Tsai, Jernej Skrabec, Samuel Holland, Linus Walleij, Linus Torvalds
Possibly related (same subject, not in this thread)
- 2014-05-28 · Re: Re: [PATCH 01/11] pinctrl: sunxi: create irq/pin mapping during init · Linus Walleij <hidden>
- 2014-05-27 · Re: Re: [PATCH 01/11] pinctrl: sunxi: create irq/pin mapping during init · Chen-Yu Tsai <hidden>
- 2014-05-27 · Re: [PATCH 01/11] pinctrl: sunxi: create irq/pin mapping during init · Linus Walleij <hidden>
- 2014-05-27 · Re: Re: [PATCH 01/11] pinctrl: sunxi: create irq/pin mapping during init · Chen-Yu Tsai <hidden>
- 2014-05-27 · Re: [PATCH 01/11] pinctrl: sunxi: create irq/pin mapping during init · Maxime Ripard <hidden>
From: Chen-Yu Tsai <redacted> The irq/pin mapping is used to lookup the pin to mux to the irq function when the irq is enabled. It is created when gpio_to_irq is called. Creating the mapping during init allows us to map the interrupts directly from the device tree. Signed-off-by: Chen-Yu Tsai <redacted> Signed-off-by: Hans de Goede <redacted> --- drivers/pinctrl/sunxi/pinctrl-sunxi.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/pinctrl/sunxi/pinctrl-sunxi.c b/drivers/pinctrl/sunxi/pinctrl-sunxi.c
index f6522b5..db9ccd6 100644
--- a/drivers/pinctrl/sunxi/pinctrl-sunxi.c
+++ b/drivers/pinctrl/sunxi/pinctrl-sunxi.c@@ -529,8 +529,6 @@ static int sunxi_pinctrl_gpio_to_irq(struct gpio_chip *chip, unsigned offset) if (!desc) return -EINVAL; - pctl->irq_array[desc->irqnum] = offset; - dev_dbg(chip->dev, "%s: request IRQ for GPIO %d, return %d\n", chip->label, offset + chip->base, desc->irqnum);
@@ -731,6 +729,9 @@ static int sunxi_pinctrl_build_state(struct platform_device *pdev) struct sunxi_desc_function *func = pin->functions; while (func->name) { + /* Create interrupt mapping while we're at it */ + if (!strcmp(func->name, "irq")) + pctl->irq_array[func->irqnum] = pin->pin.number; sunxi_pinctrl_add_function(pctl, func->name); func++; }
--
1.9.3