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Date: Tue, 15 Feb 2022 14:06:48 +0800
From: Chun-Jie Chen <chun-jie.chen@...iatek.com>
To: Chen-Yu Tsai <wenst@...omium.org>, Stephen Boyd <sboyd@...nel.org>,
Michael Turquette <mturquette@...libre.com>,
Matthias Brugger <matthias.bgg@...il.com>
CC: AngeloGioacchino Del Regno
<angelogioacchino.delregno@...labora.com>,
Miles Chen <miles.chen@...iatek.com>,
<linux-clk@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-mediatek@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 01/31] clk: mediatek: Use %pe to print errors
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@...omium.org>
> Reviewed-by: Miles Chen <miles.chen@...iatek.com>
> Reviewed-by: AngeloGioacchino Del Regno <
> angelogioacchino.delregno@...labora.com>
>
Reviewed-by: Chun-Jie Chen <chun-jie.chen@...iatek.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;
> }
>
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