[PATCH 2/3] ASoC: fsl_sai: convert to dev_err_probe

[Shengjiu Wang]

On Wed, Jun 1, 2022 at 5:23 PM Marco Felsch <m.felsch at pengutronix.de> wrote:

> Make use of the new macro to get device defered information for free
> and to cleanup the code a bit. No functional changes.
>
> Signed-off-by: Marco Felsch <m.felsch at pengutronix.de>
> ---
>  sound/soc/fsl/fsl_sai.c | 33 +++++++++++----------------------
>  1 file changed, 11 insertions(+), 22 deletions(-)
>
> diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c
> index a7637d602f3c..3e54f1f71c1e 100644
> --- a/sound/soc/fsl/fsl_sai.c
> +++ b/sound/soc/fsl/fsl_sai.c
> @@ -1034,21 +1034,15 @@ static int fsl_sai_probe(struct platform_device
> *pdev)
>         }
>
>         sai->regmap = devm_regmap_init_mmio(dev, base,
> &fsl_sai_regmap_config);
> -       if (IS_ERR(sai->regmap)) {
> -               dev_err(dev, "regmap init failed\n");
> -               return PTR_ERR(sai->regmap);
> -       }
> +       if (IS_ERR(sai->regmap))
> +               return dev_err_probe(dev, PTR_ERR(sai->regmap), "regmap
> init failed\n");
>
>         sai->bus_clk = devm_clk_get(dev, "bus");
>         /* Compatible with old DTB cases */
>         if (IS_ERR(sai->bus_clk) && PTR_ERR(sai->bus_clk) != -EPROBE_DEFER)
>                 sai->bus_clk = devm_clk_get(dev, "sai");
> -       if (IS_ERR(sai->bus_clk)) {
> -               dev_err(dev, "failed to get bus clock: %ld\n",
> -                               PTR_ERR(sai->bus_clk));
> -               /* -EPROBE_DEFER */
> -               return PTR_ERR(sai->bus_clk);
> -       }
> +       if (IS_ERR(sai->bus_clk))
> +               return dev_err_probe(dev, PTR_ERR(sai->bus_clk), "failed
> to get bus clock\n");
>
>         for (i = 1; i < FSL_SAI_MCLK_MAX; i++) {
>                 sprintf(tmp, "mclk%d", i);
> @@ -1067,14 +1061,12 @@ static int fsl_sai_probe(struct platform_device
> *pdev)
>
>         irq = platform_get_irq(pdev, 0);
>         if (irq < 0)
> -               return irq;
> +               return dev_err_probe(dev, irq, "failed to get the irq\n");
>

This change is not needed,  platform_get_irq() has done the same operation.

best regards
wang shengjiu

>
>         ret = devm_request_irq(dev, irq, fsl_sai_isr, IRQF_SHARED,
>                                np->name, sai);
> -       if (ret) {
> -               dev_err(dev, "failed to claim irq %u\n", irq);
> -               return ret;
> -       }
> +       if (ret)
> +               return dev_err_probe(dev, ret, "failed to claim irq %u\n",
> irq);
>
>         memcpy(&sai->cpu_dai_drv, &fsl_sai_dai_template,
>                sizeof(fsl_sai_dai_template));
> @@ -1089,8 +1081,7 @@ static int fsl_sai_probe(struct platform_device
> *pdev)
>         if (of_find_property(np, "fsl,sai-synchronous-rx", NULL) &&
>             of_find_property(np, "fsl,sai-asynchronous", NULL)) {
>                 /* error out if both synchronous and asynchronous are
> present */
> -               dev_err(dev, "invalid binding for synchronous mode\n");
> -               return -EINVAL;
> +               return dev_err_probe(dev, -EINVAL, "invalid binding for
> synchronous mode\n");
>         }
>
>         if (of_find_property(np, "fsl,sai-synchronous-rx", NULL)) {
> @@ -1109,14 +1100,12 @@ static int fsl_sai_probe(struct platform_device
> *pdev)
>         if (of_find_property(np, "fsl,sai-mclk-direction-output", NULL) &&
>             of_device_is_compatible(np, "fsl,imx6ul-sai")) {
>                 gpr =
> syscon_regmap_lookup_by_compatible("fsl,imx6ul-iomuxc-gpr");
> -               if (IS_ERR(gpr)) {
> -                       dev_err(dev, "cannot find iomuxc registers\n");
> -                       return PTR_ERR(gpr);
> -               }
> +               if (IS_ERR(gpr))
> +                       return dev_err_probe(dev, PTR_ERR(gpr), "cannot
> find iomuxc registers\n");
>
>                 index = of_alias_get_id(np, "sai");
>                 if (index < 0)
> -                       return index;
> +                       return dev_err_probe(dev, index, "cannot find sai
> aliases\n");
>
>                 regmap_update_bits(gpr, IOMUXC_GPR1, MCLK_DIR(index),
>                                    MCLK_DIR(index));
> --
> 2.30.2
>
>