[PATCH] thermal: rockchip: improve the warning log

[Caesar Wang]

On 2016年10月09日 20:49, Shawn Lin wrote:
> There is no necessary to print warning agian and
> again if we don't add rockchip,grf for dt, otherwise
> I saw the following log when doning suspend-2-resume.
> We only need to print it once when parsing dt. It looks
> quite trivial but the log is apparently verbose.
>
> [   26.615415] PM: early resume of devices complete after 1.539 msecs
> [   26.622002] rk_tsadcv2_initialize: Missing rockchip,grf property
> [   26.629359] rk_gmac-dwmac ff290000.ethernet: init for RGMII
> [   26.639794] PM: resume of devices complete after 18.109 msecs
> [   26.646925] Restarting tasks ... done.
>
> Signed-off-by: Shawn Lin <shawn.lin at rock-chips.com>

Reviewed-by: Caesar Wang <wxt at rock-chips.com>

> ---
>
>   drivers/thermal/rockchip_thermal.c | 7 ++-----
>   1 file changed, 2 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/thermal/rockchip_thermal.c b/drivers/thermal/rockchip_thermal.c
> index e227a9f..b811b0f 100644
> --- a/drivers/thermal/rockchip_thermal.c
> +++ b/drivers/thermal/rockchip_thermal.c
> @@ -524,11 +524,6 @@ static void rk_tsadcv2_initialize(struct regmap *grf, void __iomem *regs,
>   		       regs + TSADCV2_AUTO_PERIOD_HT);
>   	writel_relaxed(TSADCV2_HIGHT_TSHUT_DEBOUNCE_COUNT,
>   		       regs + TSADCV2_HIGHT_TSHUT_DEBOUNCE);
> -
> -	if (IS_ERR(grf)) {
> -		pr_warn("%s: Missing rockchip,grf property\n", __func__);
> -		return;
> -	}
>   }
>   
>   /**
> @@ -971,6 +966,8 @@ static int rockchip_configure_from_dt(struct device *dev,
>   	 * need this property.
>   	 */
>   	thermal->grf = syscon_regmap_lookup_by_phandle(np, "rockchip,grf");
> +	if (IS_ERR(thermal->grf))
> +		dev_warn(dev, "Missing rockchip,grf property\n");
>   
>   	return 0;
>   }