Re: [PATCH] mmc: host: Remove redundant dev_err()/dev_err_probe()

Ulf Hansson <[email protected]> Mon, 27 Jul 2026 18:25:00 +0200
Newsgroups org.kernel.vger.linux-omap,org.infradead.lists.linux-amlogic,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-arm-msm,org.kernel.vger.linux-kernel,org.kernel.vger.linux-mmc
Message-ID <CAPx+jO_fcijCoA0UEPS359EZKgzEtjP3EYKt48r7ryOz6RT12A@mail.gmail.com>
On Fri, Jul 17, 2026 at 12:17=E2=80=AFPM Pan Chuang <[email protected]> wr=
ote:
>
> Since commit 55b48e23f5c4 ("genirq/devres: Add error handling in
> devm_request_*_irq()"), devm_request_irq() and devm_request_threaded_irq(=
)
> automatically log detailed error messages on failure. Remove the
> now-redundant driver-specific dev_err() and dev_err_probe() calls.
>
> Signed-off-by: Pan Chuang <[email protected]>

Applied for next, thanks!

Kind regards
Uffe


> ---
>  drivers/mmc/host/alcor.c         |  3 +--
>  drivers/mmc/host/cavium-octeon.c | 10 ++--------
>  drivers/mmc/host/meson-mx-sdio.c |  5 +----
>  drivers/mmc/host/mvsdio.c        |  4 +---
>  drivers/mmc/host/omap_hsmmc.c    |  4 +---
>  drivers/mmc/host/owl-mmc.c       |  5 +----
>  drivers/mmc/host/sdhci-msm.c     |  4 +---
>  drivers/mmc/host/sh_mmcif.c      |  8 ++------
>  8 files changed, 10 insertions(+), 33 deletions(-)
>
> diff --git a/drivers/mmc/host/alcor.c b/drivers/mmc/host/alcor.c
> index 721db54739c1..45528909a758 100644
> --- a/drivers/mmc/host/alcor.c
> +++ b/drivers/mmc/host/alcor.c
> @@ -1103,8 +1103,7 @@ static int alcor_pci_sdmmc_drv_probe(struct platfor=
m_device *pdev)
>                         alcor_irq, alcor_irq_thread, IRQF_SHARED,
>                         DRV_NAME_ALCOR_PCI_SDMMC, host);
>         if (ret)
> -               return dev_err_probe(&pdev->dev, ret,
> -                                    "Failed to get irq for data line\n")=
;
> +               return ret;
>
>         mutex_init(&host->cmd_mutex);
>         INIT_DELAYED_WORK(&host->timeout_work, alcor_timeout_timer);
> diff --git a/drivers/mmc/host/cavium-octeon.c b/drivers/mmc/host/cavium-o=
cteon.c
> index 8a0daddd9200..1bfc1a4f9fe9 100644
> --- a/drivers/mmc/host/cavium-octeon.c
> +++ b/drivers/mmc/host/cavium-octeon.c
> @@ -240,21 +240,15 @@ static int octeon_mmc_probe(struct platform_device =
*pdev)
>                         ret =3D devm_request_irq(&pdev->dev, mmc_irq[i],
>                                                cvm_mmc_interrupt,
>                                                0, cvm_mmc_irq_names[i], h=
ost);
> -                       if (ret < 0) {
> -                               dev_err(&pdev->dev, "Error: devm_request_=
irq %d\n",
> -                                       mmc_irq[i]);
> +                       if (ret < 0)
>                                 return ret;
> -                       }
>                 }
>         } else {
>                 ret =3D devm_request_irq(&pdev->dev, mmc_irq[0],
>                                        cvm_mmc_interrupt, 0, KBUILD_MODNA=
ME,
>                                        host);
> -               if (ret < 0) {
> -                       dev_err(&pdev->dev, "Error: devm_request_irq %d\n=
",
> -                               mmc_irq[0]);
> +               if (ret < 0)
>                         return ret;
> -               }
>         }
>
>         host->global_pwr_gpiod =3D devm_gpiod_get_optional(&pdev->dev,
> diff --git a/drivers/mmc/host/meson-mx-sdio.c b/drivers/mmc/host/meson-mx=
-sdio.c
> index 5921e2cb2180..bef5e843f449 100644
> --- a/drivers/mmc/host/meson-mx-sdio.c
> +++ b/drivers/mmc/host/meson-mx-sdio.c
> @@ -683,11 +683,8 @@ static int meson_mx_mmc_probe(struct platform_device=
 *pdev)
>                                         meson_mx_mmc_irq,
>                                         meson_mx_mmc_irq_thread, IRQF_ONE=
SHOT,
>                                         NULL, host);
> -       if (ret) {
> -               dev_err_probe(host->controller_dev, ret,
> -                             "Failed to request IRQ\n");
> +       if (ret)
>                 goto error_unregister_slot_pdev;
> -       }
>
>         core_clk =3D devm_clk_get_enabled(host->controller_dev, "core");
>         if (IS_ERR(core_clk)) {
> diff --git a/drivers/mmc/host/mvsdio.c b/drivers/mmc/host/mvsdio.c
> index 79df2fa89a3f..cf705b265e21 100644
> --- a/drivers/mmc/host/mvsdio.c
> +++ b/drivers/mmc/host/mvsdio.c
> @@ -764,10 +764,8 @@ static int mvsd_probe(struct platform_device *pdev)
>         mvsd_power_down(host);
>
>         ret =3D devm_request_irq(&pdev->dev, irq, mvsd_irq, 0, DRIVER_NAM=
E, host);
> -       if (ret) {
> -               dev_err(&pdev->dev, "cannot assign irq %d\n", irq);
> +       if (ret)
>                 goto out;
> -       }
>
>         timer_setup(&host->timer, mvsd_timeout_timer, 0);
>         platform_set_drvdata(pdev, mmc);
> diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.=
c
> index 58c881f2725b..63a9fb970975 100644
> --- a/drivers/mmc/host/omap_hsmmc.c
> +++ b/drivers/mmc/host/omap_hsmmc.c
> @@ -1915,10 +1915,8 @@ static int omap_hsmmc_probe(struct platform_device=
 *pdev)
>         /* Request IRQ for MMC operations */
>         ret =3D devm_request_irq(&pdev->dev, host->irq, omap_hsmmc_irq, 0=
,
>                         mmc_hostname(mmc), host);
> -       if (ret) {
> -               dev_err(mmc_dev(host->mmc), "Unable to grab HSMMC IRQ\n")=
;
> +       if (ret)
>                 goto err_irq;
> -       }
>
>         ret =3D omap_hsmmc_reg_get(host);
>         if (ret)
> diff --git a/drivers/mmc/host/owl-mmc.c b/drivers/mmc/host/owl-mmc.c
> index 349082d76a99..d5b8a110267b 100644
> --- a/drivers/mmc/host/owl-mmc.c
> +++ b/drivers/mmc/host/owl-mmc.c
> @@ -635,11 +635,8 @@ static int owl_mmc_probe(struct platform_device *pde=
v)
>
>         ret =3D devm_request_irq(&pdev->dev, owl_host->irq, owl_irq_handl=
er,
>                                0, dev_name(&pdev->dev), owl_host);
> -       if (ret) {
> -               dev_err(&pdev->dev, "Failed to request irq %d\n",
> -                       owl_host->irq);
> +       if (ret)
>                 goto err_release_channel;
> -       }
>
>         ret =3D mmc_add_host(mmc);
>         if (ret) {
> diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c
> index ceed47ccfda8..4aff965f0e2e 100644
> --- a/drivers/mmc/host/sdhci-msm.c
> +++ b/drivers/mmc/host/sdhci-msm.c
> @@ -2864,10 +2864,8 @@ static int sdhci_msm_probe(struct platform_device =
*pdev)
>         ret =3D devm_request_threaded_irq(&pdev->dev, msm_host->pwr_irq, =
NULL,
>                                         sdhci_msm_pwr_irq, IRQF_ONESHOT,
>                                         dev_name(&pdev->dev), host);
> -       if (ret) {
> -               dev_err(&pdev->dev, "Request IRQ failed (%d)\n", ret);
> +       if (ret)
>                 goto clk_disable;
> -       }
>
>         msm_host->mmc->caps |=3D MMC_CAP_WAIT_WHILE_BUSY | MMC_CAP_NEED_R=
SP_BUSY;
>
> diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c
> index 9831956de1c8..7706d01b149e 100644
> --- a/drivers/mmc/host/sh_mmcif.c
> +++ b/drivers/mmc/host/sh_mmcif.c
> @@ -1505,18 +1505,14 @@ static int sh_mmcif_probe(struct platform_device =
*pdev)
>         name =3D irq[1] < 0 ? dev_name(dev) : "sh_mmc:error";
>         ret =3D devm_request_threaded_irq(dev, irq[0], sh_mmcif_intr,
>                                         sh_mmcif_irqt, 0, name, host);
> -       if (ret) {
> -               dev_err(dev, "request_irq error (%s)\n", name);
> +       if (ret)
>                 goto err_clk;
> -       }
>         if (irq[1] >=3D 0) {
>                 ret =3D devm_request_threaded_irq(dev, irq[1],
>                                                 sh_mmcif_intr, sh_mmcif_i=
rqt,
>                                                 0, "sh_mmc:int", host);
> -               if (ret) {
> -                       dev_err(dev, "request_irq error (sh_mmc:int)\n");
> +               if (ret)
>                         goto err_clk;
> -               }
>         }
>
>         mutex_init(&host->thread_lock);
> --
> 2.34.1
>