diff options
| author | Paul Cercueil <paul@crapouillou.net> | 2021-07-17 18:48:36 +0100 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2021-08-11 10:24:06 +0200 |
| commit | 6626a76ef857c937ba7b96f0ea8bb5451c1419eb (patch) | |
| tree | d537997e7f67a9f750cf6fb8873289ec1dcabc8e /drivers/pinctrl/pinctrl-ingenic.c | |
| parent | 7261851e938f4b0fe8c0f5a8e627ae90e1ba9875 (diff) | |
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: 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>
Diffstat (limited to 'drivers/pinctrl/pinctrl-ingenic.c')
| -rw-r--r-- | drivers/pinctrl/pinctrl-ingenic.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/pinctrl/pinctrl-ingenic.c b/drivers/pinctrl/pinctrl-ingenic.c index 2b894db1029b..cf4cc8f129f4 100644 --- a/drivers/pinctrl/pinctrl-ingenic.c +++ b/drivers/pinctrl/pinctrl-ingenic.c @@ -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, ®map_config); if (IS_ERR(jzpc->map)) { dev_err(dev, "Failed to create regmap\n"); return PTR_ERR(jzpc->map); |