netdev - Re: [PATCH v5 08/24] wfx: add bus

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Date:   Mon, 22 Mar 2021 13:20:35 +0100
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     Jerome Pouiller <Jerome.Pouiller@...abs.com>
Cc:     linux-wireless <linux-wireless@...r.kernel.org>,
        netdev <netdev@...r.kernel.org>,
        driverdevel <devel@...verdev.osuosl.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Kalle Valo <kvalo@...eaurora.org>,
        "David S . Miller" <davem@...emloft.net>,
        DTML <devicetree@...r.kernel.org>,
        Rob Herring <robh+dt@...nel.org>,
        linux-mmc <linux-mmc@...r.kernel.org>,
        Pali Rohár <pali@...nel.org>
Subject: Re: [PATCH v5 08/24] wfx: add bus_sdio.c

On Mon, 15 Mar 2021 at 14:25, Jerome Pouiller
<Jerome.Pouiller@...abs.com> wrote:
>
> From: Jérôme Pouiller <jerome.pouiller@...abs.com>
>
> Signed-off-by: Jérôme Pouiller <jerome.pouiller@...abs.com>
> ---
>  drivers/net/wireless/silabs/wfx/bus_sdio.c | 259 +++++++++++++++++++++
>  1 file changed, 259 insertions(+)
>  create mode 100644 drivers/net/wireless/silabs/wfx/bus_sdio.c

[...]

> +static const struct sdio_device_id wfx_sdio_ids[] = {
> +       { SDIO_DEVICE(SDIO_VENDOR_ID_SILABS, SDIO_DEVICE_ID_SILABS_WF200) },
> +       { },
> +};
> +MODULE_DEVICE_TABLE(sdio, wfx_sdio_ids);
> +
> +struct sdio_driver wfx_sdio_driver = {
> +       .name = "wfx-sdio",
> +       .id_table = wfx_sdio_ids,
> +       .probe = wfx_sdio_probe,
> +       .remove = wfx_sdio_remove,
> +       .drv = {
> +               .owner = THIS_MODULE,
> +               .of_match_table = wfx_sdio_of_match,

It's not mandatory to support power management, like system
suspend/resume. However, as this looks like this is a driver for an
embedded SDIO device, you probably want this.

If that is the case, please assign the dev_pm_ops here and implement
the ->suspend|resume() callbacks.

[...]

Kind regards
Uffe