Re: [PATCH v2] thermal: tsens: qcom: do not create duplicate regmap debugfs entries

From: Bjorn Andersson
Date: Tue Jan 01 2019 - 22:33:51 EST


On Thu 06 Dec 01:39 PST 2018, Srinivas Kandagatla wrote:

> Regmap would use device name to create debugfs entries. If the device
> has multiple regmaps it is recommended to use name field in regmap_config.
> Fix this by providing name to the regmap configs correctly.
>
> Without this patch we would see below error on DB820c.
>
> qcom-tsens 4a9000.thermal-sensor: Failed to create 4a9000.thermal-sensor
> debugfs directory
>
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
> Acked-by: Amit Kucheria <amit.kucheria@xxxxxxxxxx>
> Tested-by: Amit Kucheria <amit.kucheria@xxxxxxxxxx>

Reviewed-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>

Regards,
Bjorn

> ---
> Changes since v1:
> -rename tsens_config to tsens_tm_config as suggested by Amit.
>
> drivers/thermal/qcom/tsens-common.c | 17 +++++++++++++----
> 1 file changed, 13 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/thermal/qcom/tsens-common.c b/drivers/thermal/qcom/tsens-common.c
> index 3be4be2e0465..ddfdf88ffb4e 100644
> --- a/drivers/thermal/qcom/tsens-common.c
> +++ b/drivers/thermal/qcom/tsens-common.c
> @@ -113,7 +113,15 @@ int get_temp_common(struct tsens_device *tmdev, int id, int *temp)
> return 0;
> }
>
> -static const struct regmap_config tsens_config = {
> +static const struct regmap_config tsens_tm_config = {
> + .name = "tm",
> + .reg_bits = 32,
> + .val_bits = 32,
> + .reg_stride = 4,
> +};
> +
> +static const struct regmap_config tsens_srot_config = {
> + .name = "srot",
> .reg_bits = 32,
> .val_bits = 32,
> .reg_stride = 4,
> @@ -139,8 +147,8 @@ int __init init_common(struct tsens_device *tmdev)
> if (IS_ERR(srot_base))
> return PTR_ERR(srot_base);
>
> - tmdev->srot_map = devm_regmap_init_mmio(tmdev->dev,
> - srot_base, &tsens_config);
> + tmdev->srot_map = devm_regmap_init_mmio(tmdev->dev, srot_base,
> + &tsens_srot_config);
> if (IS_ERR(tmdev->srot_map))
> return PTR_ERR(tmdev->srot_map);
>
> @@ -154,7 +162,8 @@ int __init init_common(struct tsens_device *tmdev)
> if (IS_ERR(tm_base))
> return PTR_ERR(tm_base);
>
> - tmdev->tm_map = devm_regmap_init_mmio(tmdev->dev, tm_base, &tsens_config);
> + tmdev->tm_map = devm_regmap_init_mmio(tmdev->dev, tm_base,
> + &tsens_tm_config);
> if (IS_ERR(tmdev->tm_map))
> return PTR_ERR(tmdev->tm_map);
>
> --
> 2.19.2
>