On Thu, Feb 07, 2019 at 04:19:31PM +0530, Amit Kucheria wrote:
> On some TSENS IP, version is stored. Print that version at init.
> 
> Signed-off-by: Amit Kucheria <[email protected]>
> ---
>  drivers/thermal/qcom/tsens-common.c | 23 ++++++++++++++++++++++-
>  1 file changed, 22 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/thermal/qcom/tsens-common.c 
> b/drivers/thermal/qcom/tsens-common.c
> index aae3d71d7eed..39cd5733fd44 100644
> --- a/drivers/thermal/qcom/tsens-common.c
> +++ b/drivers/thermal/qcom/tsens-common.c
> @@ -121,7 +121,7 @@ int __init init_common(struct tsens_priv *priv)
>       void __iomem *tm_base, *srot_base;
>       struct device *dev = priv->dev;
>       struct resource *res;
> -     u32 enabled;
> +     u32 enabled, maj_ver, min_ver;
>       int ret, i, j;
>       struct platform_device *op = of_find_device_by_node(priv->dev->of_node);
>  
> @@ -155,6 +155,27 @@ int __init init_common(struct tsens_priv *priv)
>       if (IS_ERR(priv->tm_map))
>               return PTR_ERR(priv->tm_map);
>  
> +     for (i = 0; i < MAX_REGFIELDS; i++) {
> +             priv->rf[i] = NULL;
> +     }
> +
> +     /* alloc regmap_fields in srot_map */
> +     if (priv->feat->ver_info) {
> +             for (i = 0, j = VER_MAJOR; i < 2; i++, j++) {
> +                     priv->rf[j] = devm_regmap_field_alloc(dev, 
> priv->srot_map,
> +                                                           priv->fields[j]);
> +                     if (IS_ERR(priv->rf[j]))
> +                             return PTR_ERR(priv->rf[j]);
> +             }
> +             ret = regmap_field_read(priv->rf[VER_MAJOR], &maj_ver);
> +             if (ret)
> +                     return ret;
> +             ret = regmap_field_read(priv->rf[VER_MINOR], &min_ver);
> +             if (ret)
> +                     return ret;
> +             dev_info(dev, "version: %d.%d\n", maj_ver, min_ver);

Is this really needed? Printing stuff into kernel log during boot can
just add a lot of info that ends up just slowing down things. Besides,
if this info is important shouldnt be available somewhere else as the
kernel log is a circular buffer and eventually that line will get
wrapped up?

> +     }
> +
>       priv->rf[TSENS_EN] = devm_regmap_field_alloc(dev, priv->srot_map,
>                                                    priv->fields[TSENS_EN]);
>       if (IS_ERR(priv->rf[TSENS_EN]))
> -- 
> 2.17.1
> 

Reply via email to