Commit 03d9eca7 authored by Andy Shevchenko's avatar Andy Shevchenko
Browse files

pinctrl: lynxpoint: Implement ->pin_dbg_show() 



The introduced callback ->pin_dbg_show() is useful for debugging.

Reviewed-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: default avatarMika Westerberg <mika.westerberg@linux.intel.com>
parent 7f32d370

drivers/pinctrl/intel/pinctrl-lynxpoint.c

+23 −0
Original line number Diff line number Diff line
@@ -297,10 +297,33 @@ static int lp_get_group_pins(struct pinctrl_dev *pctldev, 
	return 0;

}



static void lp_pin_dbg_show(struct pinctrl_dev *pctldev, struct seq_file *s,

			    unsigned int pin)

{

	struct intel_pinctrl *lg = pinctrl_dev_get_drvdata(pctldev);

	void __iomem *reg = lp_gpio_reg(&lg->chip, pin, LP_CONFIG1);

	void __iomem *conf2 = lp_gpio_reg(&lg->chip, pin, LP_CONFIG2);

	u32 value, mode;



	value = ioread32(reg);



	mode = value & USE_SEL_MASK;

	if (mode == USE_SEL_GPIO)

		seq_puts(s, "GPIO ");

	else

		seq_printf(s, "mode %d ", mode);



	seq_printf(s, "0x%08x 0x%08x", value, ioread32(conf2));



	if (lp_gpio_acpi_use(lg, pin))

		seq_puts(s, " [ACPI]");

}



static const struct pinctrl_ops lptlp_pinctrl_ops = {

	.get_groups_count	= lp_get_groups_count,

	.get_group_name		= lp_get_group_name,

	.get_group_pins		= lp_get_group_pins,

	.pin_dbg_show		= lp_pin_dbg_show,

};



static int lp_get_functions_count(struct pinctrl_dev *pctldev)

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