Re: [PATCH v3 01/31] clk: mediatek: Use %pe to print errors

[Chun-Jie Chen <chun-jie.chen@mediatek.com>]

On Tue, 2022-02-08 at 20:40 +0800, Chen-Yu Tsai wrote:
> If %pe is used to print errors, a string representation of the error
> would be printed instead of a number as with %ld. Also, all the sites
> printing errors are deriving the error code from a pointer. Using %pe
> is more straightforward.
> 
> Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
> Reviewed-by: Miles Chen <miles.chen@mediatek.com>
> Reviewed-by: AngeloGioacchino Del Regno <
> angelogioacchino.delregno@collabora.com>
> 

Reviewed-by: Chun-Jie Chen <chun-jie.chen@mediatek.com>
> ---
>  drivers/clk/mediatek/clk-apmixed.c |  2 +-
>  drivers/clk/mediatek/clk-cpumux.c  |  6 ++----
>  drivers/clk/mediatek/clk-mtk.c     | 18 ++++++------------
>  drivers/clk/mediatek/clk-mux.c     |  6 ++----
>  drivers/clk/mediatek/clk-pll.c     |  3 +--
>  drivers/clk/mediatek/reset.c       |  3 +--
>  6 files changed, 13 insertions(+), 25 deletions(-)
> 
> diff --git a/drivers/clk/mediatek/clk-apmixed.c
> b/drivers/clk/mediatek/clk-apmixed.c
> index caa9119413f1..a29339cc26c4 100644
> --- a/drivers/clk/mediatek/clk-apmixed.c
> +++ b/drivers/clk/mediatek/clk-apmixed.c
> @@ -92,7 +92,7 @@ struct clk * __init
> mtk_clk_register_ref2usb_tx(const char *name,
>  	clk = clk_register(NULL, &tx->hw);
>  
>  	if (IS_ERR(clk)) {
> -		pr_err("Failed to register clk %s: %ld\n", name,
> PTR_ERR(clk));
> +		pr_err("Failed to register clk %s: %pe\n", name, clk);
>  		kfree(tx);
>  	}
>  
> diff --git a/drivers/clk/mediatek/clk-cpumux.c
> b/drivers/clk/mediatek/clk-cpumux.c
> index e188018bc906..cab5095416b6 100644
> --- a/drivers/clk/mediatek/clk-cpumux.c
> +++ b/drivers/clk/mediatek/clk-cpumux.c
> @@ -87,8 +87,7 @@ int mtk_clk_register_cpumuxes(struct device_node
> *node,
>  
>  	regmap = device_node_to_regmap(node);
>  	if (IS_ERR(regmap)) {
> -		pr_err("Cannot find regmap for %pOF: %ld\n", node,
> -		       PTR_ERR(regmap));
> +		pr_err("Cannot find regmap for %pOF: %pe\n", node,
> regmap);
>  		return PTR_ERR(regmap);
>  	}
>  
> @@ -97,8 +96,7 @@ int mtk_clk_register_cpumuxes(struct device_node
> *node,
>  
>  		clk = mtk_clk_register_cpumux(mux, regmap);
>  		if (IS_ERR(clk)) {
> -			pr_err("Failed to register clk %s: %ld\n",
> -			       mux->name, PTR_ERR(clk));
> +			pr_err("Failed to register clk %s: %pe\n", mux-
> >name, clk);
>  			continue;
>  		}
>  
> diff --git a/drivers/clk/mediatek/clk-mtk.c
> b/drivers/clk/mediatek/clk-mtk.c
> index 8d5791b3f460..519a461cbb6f 100644
> --- a/drivers/clk/mediatek/clk-mtk.c
> +++ b/drivers/clk/mediatek/clk-mtk.c
> @@ -70,8 +70,7 @@ void mtk_clk_register_fixed_clks(const struct
> mtk_fixed_clk *clks,
>  					      rc->rate);
>  
>  		if (IS_ERR(clk)) {
> -			pr_err("Failed to register clk %s: %ld\n",
> -					rc->name, PTR_ERR(clk));
> +			pr_err("Failed to register clk %s: %pe\n", rc-
> >name, clk);
>  			continue;
>  		}
>  
> @@ -97,8 +96,7 @@ void mtk_clk_register_factors(const struct
> mtk_fixed_factor *clks,
>  				CLK_SET_RATE_PARENT, ff->mult, ff-
> >div);
>  
>  		if (IS_ERR(clk)) {
> -			pr_err("Failed to register clk %s: %ld\n",
> -					ff->name, PTR_ERR(clk));
> +			pr_err("Failed to register clk %s: %pe\n", ff-
> >name, clk);
>  			continue;
>  		}
>  
> @@ -122,8 +120,7 @@ int mtk_clk_register_gates_with_dev(struct
> device_node *node,
>  
>  	regmap = device_node_to_regmap(node);
>  	if (IS_ERR(regmap)) {
> -		pr_err("Cannot find regmap for %pOF: %ld\n", node,
> -				PTR_ERR(regmap));
> +		pr_err("Cannot find regmap for %pOF: %pe\n", node,
> regmap);
>  		return PTR_ERR(regmap);
>  	}
>  
> @@ -141,8 +138,7 @@ int mtk_clk_register_gates_with_dev(struct
> device_node *node,
>  				gate->shift, gate->ops, gate->flags,
> dev);
>  
>  		if (IS_ERR(clk)) {
> -			pr_err("Failed to register clk %s: %ld\n",
> -					gate->name, PTR_ERR(clk));
> +			pr_err("Failed to register clk %s: %pe\n",
> gate->name, clk);
>  			continue;
>  		}
>  
> @@ -264,8 +260,7 @@ void mtk_clk_register_composites(const struct
> mtk_composite *mcs,
>  		clk = mtk_clk_register_composite(mc, base, lock);
>  
>  		if (IS_ERR(clk)) {
> -			pr_err("Failed to register clk %s: %ld\n",
> -					mc->name, PTR_ERR(clk));
> +			pr_err("Failed to register clk %s: %pe\n", mc-
> >name, clk);
>  			continue;
>  		}
>  
> @@ -293,8 +288,7 @@ void mtk_clk_register_dividers(const struct
> mtk_clk_divider *mcds,
>  			mcd->div_width, mcd->clk_divider_flags, lock);
>  
>  		if (IS_ERR(clk)) {
> -			pr_err("Failed to register clk %s: %ld\n",
> -				mcd->name, PTR_ERR(clk));
> +			pr_err("Failed to register clk %s: %pe\n", mcd-
> >name, clk);
>  			continue;
>  		}
>  
> diff --git a/drivers/clk/mediatek/clk-mux.c
> b/drivers/clk/mediatek/clk-mux.c
> index 6d3a50eb7d6f..89f23e111d91 100644
> --- a/drivers/clk/mediatek/clk-mux.c
> +++ b/drivers/clk/mediatek/clk-mux.c
> @@ -175,8 +175,7 @@ int mtk_clk_register_muxes(const struct mtk_mux
> *muxes,
>  
>  	regmap = device_node_to_regmap(node);
>  	if (IS_ERR(regmap)) {
> -		pr_err("Cannot find regmap for %pOF: %ld\n", node,
> -		       PTR_ERR(regmap));
> +		pr_err("Cannot find regmap for %pOF: %pe\n", node,
> regmap);
>  		return PTR_ERR(regmap);
>  	}
>  
> @@ -187,8 +186,7 @@ int mtk_clk_register_muxes(const struct mtk_mux
> *muxes,
>  			clk = mtk_clk_register_mux(mux, regmap, lock);
>  
>  			if (IS_ERR(clk)) {
> -				pr_err("Failed to register clk %s:
> %ld\n",
> -				       mux->name, PTR_ERR(clk));
> +				pr_err("Failed to register clk %s:
> %pe\n", mux->name, clk);
>  				continue;
>  			}
>  
> diff --git a/drivers/clk/mediatek/clk-pll.c
> b/drivers/clk/mediatek/clk-pll.c
> index 60d7ffa0b924..f04f724e12e5 100644
> --- a/drivers/clk/mediatek/clk-pll.c
> +++ b/drivers/clk/mediatek/clk-pll.c
> @@ -378,8 +378,7 @@ void mtk_clk_register_plls(struct device_node
> *node,
>  		clk = mtk_clk_register_pll(pll, base);
>  
>  		if (IS_ERR(clk)) {
> -			pr_err("Failed to register clk %s: %ld\n",
> -					pll->name, PTR_ERR(clk));
> +			pr_err("Failed to register clk %s: %pe\n", pll-
> >name, clk);
>  			continue;
>  		}
>  
> diff --git a/drivers/clk/mediatek/reset.c
> b/drivers/clk/mediatek/reset.c
> index ffe464ce7ff8..bcec4b89f449 100644
> --- a/drivers/clk/mediatek/reset.c
> +++ b/drivers/clk/mediatek/reset.c
> @@ -100,8 +100,7 @@ static void
> mtk_register_reset_controller_common(struct device_node *np,
>  
>  	regmap = device_node_to_regmap(np);
>  	if (IS_ERR(regmap)) {
> -		pr_err("Cannot find regmap for %pOF: %ld\n", np,
> -				PTR_ERR(regmap));
> +		pr_err("Cannot find regmap for %pOF: %pe\n", np,
> regmap);
>  		return;
>  	}
>