[PATCH 04/12] pinctrl/nomadik: reuse GPIO debug function for pins
From: Linus Walleij <hidden>
Date: 2012-05-08 09:45:11
Also in:
lkml
Subsystem:
pin control subsystem, the rest · Maintainers:
Linus Walleij, Linus Torvalds
From: Linus Walleij <redacted> Since all pins we can control are GPIOs, match a GPIO range to each pin in the debug function and call into the GPIO debug print function to have the per-pin information. Signed-off-by: Linus Walleij <redacted> --- drivers/pinctrl/pinctrl-nomadik.c | 28 +++++++++++++++++++++++++++- 1 file changed, 27 insertions(+), 1 deletion(-)
diff --git a/drivers/pinctrl/pinctrl-nomadik.c b/drivers/pinctrl/pinctrl-nomadik.c
index d9e41c9..750703f 100644
--- a/drivers/pinctrl/pinctrl-nomadik.c
+++ b/drivers/pinctrl/pinctrl-nomadik.c@@ -1332,10 +1332,36 @@ static int nmk_get_group_pins(struct pinctrl_dev *pctldev, unsigned selector, return 0; } +static struct pinctrl_gpio_range * +nmk_match_gpio_range(struct pinctrl_dev *pctldev, unsigned offset) +{ + struct nmk_pinctrl *npct = pinctrl_dev_get_drvdata(pctldev); + int i; + + for (i = 0; i < npct->soc->gpio_num_ranges; i++) { + struct pinctrl_gpio_range *range; + + range = &npct->soc->gpio_ranges[i]; + if (offset >= range->pin_base && + offset <= (range->pin_base + range->npins - 1)) + return range; + } + return NULL; +} + static void nmk_pin_dbg_show(struct pinctrl_dev *pctldev, struct seq_file *s, unsigned offset) { - seq_printf(s, " Nomadik GPIO"); + struct pinctrl_gpio_range *range; + struct gpio_chip *chip; + + range = nmk_match_gpio_range(pctldev, offset); + if (!range || !range->gc) { + seq_printf(s, "invalid pin offset"); + return; + } + chip = range->gc; + nmk_gpio_dbg_show_one(s, chip, offset - chip->base, offset); } static struct pinctrl_ops nmk_pinctrl_ops = {
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1.7.9.2