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SubjectRe: [PATCH] thermal: tsens: qcom: do not create duplicate regmap debugfs entries
On Thu, Nov 15, 2018 at 11:15 PM Srinivas Kandagatla
<srinivas.kandagatla@linaro.org> 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

Good catch!

> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>

Acked-by: Amit Kucheria <amit.kucheria@linaro.org>
Tested-by: Amit Kucheria <amit.kucheria@linaro.org>

after a minor fix below...

> ---
> drivers/thermal/qcom/tsens-common.c | 12 ++++++++++--
> 1 file changed, 10 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/thermal/qcom/tsens-common.c b/drivers/thermal/qcom/tsens-common.c
> index 3be4be2e0465..78652cac7f3d 100644
> --- a/drivers/thermal/qcom/tsens-common.c
> +++ b/drivers/thermal/qcom/tsens-common.c
> @@ -114,6 +114,14 @@ int get_temp_common(struct tsens_device *tmdev, int id, int *temp)
> }
>
> static const struct regmap_config tsens_config = {

I suggest renaming this to tsens_tm_config and modifying the
corresponding devm_regmap_init_mmio below.

> + .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);
>
> --
> 2.19.1
>

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