[PATCH 3/3] pinctrl: ingenic: Add .max_register in regmap_config
From: Paul Cercueil <paul@crapouillou.net>
Date: 2021-07-17 17:48:57
Also in:
linux-mips, lkml
Subsystem:
ingenic jz47xx socs, pin control subsystem, the rest · Maintainers:
Paul Cercueil, Linus Walleij, Linus Torvalds
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> --- drivers/pinctrl/pinctrl-ingenic.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/pinctrl/pinctrl-ingenic.c b/drivers/pinctrl/pinctrl-ingenic.c
index 263498be8e31..2bbcb8063a16 100644
--- a/drivers/pinctrl/pinctrl-ingenic.c
+++ b/drivers/pinctrl/pinctrl-ingenic.c@@ -3759,6 +3759,7 @@ 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;
@@ -3776,8 +3777,10 @@ 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);
--
2.30.2