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pinctrl: ingenic: Add .max_register in regmap_config

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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: Paul Cercueil <paul@crapouillou.net>
Tested-by: 周琰杰 (Zhou Yanjie)<zhouyanjie@wanyeetech.com>
Link: https://lore.kernel.org/r/20210717174836.14776-3-paul@crapouillou.net
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Paul Cercueil 2021-07-17 18:48:36 +01:00 committed by Linus Walleij
parent 7261851e93
commit 6626a76ef8
1 changed files with 5 additions and 2 deletions
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7
drivers/pinctrl/pinctrl-ingenic.c
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@ -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);