From 6626a76ef857c937ba7b96f0ea8bb5451c1419eb Mon Sep 17 00:00:00 2001 From: Paul Cercueil Date: Sat, 17 Jul 2021 18:48:36 +0100 Subject: pinctrl: ingenic: Add .max_register in regmap_config MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 Tested-by: 周琰杰 (Zhou Yanjie) Link: https://lore.kernel.org/r/20210717174836.14776-3-paul@crapouillou.net Signed-off-by: Linus Walleij --- drivers/pinctrl/pinctrl-ingenic.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) (limited to 'drivers/pinctrl/pinctrl-ingenic.c') 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); -- cgit 1.4.1