Commit 6626a76e authored by Paul Cercueil's avatar Paul Cercueil Committed by Linus Walleij
Browse files

pinctrl: ingenic: Add .max_register in regmap_config 



Compute the max register from the GPIO chip offset and number of GPIO
chips.

This permits to read all registers from debugfs.

Signed-off-by: default avatarPaul Cercueil <paul@crapouillou.net>
Tested-by: default avatar周琰杰 (Zhou <Yanjie)&lt;zhouyanjie@wanyeetech.com>
Link: https://lore.kernel.org/r/20210717174836.14776-3-paul@crapouillou.net


Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 7261851e

drivers/pinctrl/pinctrl-ingenic.c

+5 −2
Original line number Diff line number Diff line
@@ -4149,6 +4149,7 @@ static int __init ingenic_pinctrl_probe(struct platform_device *pdev) 
	void __iomem *base;

	const struct ingenic_chip_info *chip_info;

	struct device_node *node;

	struct regmap_config regmap_config;

	unsigned int i;

	int err;
@@ -4166,8 +4167,10 @@ static int __init ingenic_pinctrl_probe(struct platform_device *pdev) 
	if (IS_ERR(base))

		return PTR_ERR(base);



	jzpc->map = devm_regmap_init_mmio(dev, base,

			&ingenic_pinctrl_regmap_config);

	regmap_config = ingenic_pinctrl_regmap_config;

	regmap_config.max_register = chip_info->num_chips * chip_info->reg_offset;



	jzpc->map = devm_regmap_init_mmio(dev, base, &regmap_config);

	if (IS_ERR(jzpc->map)) {

		dev_err(dev, "Failed to create regmap\n");

		return PTR_ERR(jzpc->map);