lkml.org 
[lkml]   [2021]   [Jul]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH 3/3] pinctrl: ingenic: Add .max_register in regmap_config
From
Date
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, &regmap_config);
> if (IS_ERR(jzpc->map)) {
> dev_err(dev, "Failed to create regmap\n");
> return PTR_ERR(jzpc->map);

\
 
 \ /
  Last update: 2021-07-24 08:44    [W:0.077 / U:0.640 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site