Messages in this thread | | | Subject | Re: [PATCH 3/3] pinctrl: ingenic: Add .max_register in regmap_config | From | Zhou Yanjie <> | Date | Sat, 24 Jul 2021 14:43:56 +0800 |
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Hi Paul,
On 2021/7/18 上午1:48, Paul Cercueil wrote: > 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(-)
Tested-by: 周琰杰 (Zhou Yanjie)<zhouyanjie@wanyeetech.com>
> 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);
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