linux-kernel - Re: [PATCH 06/11] mmc: core: Prepare mmc_send_cxd

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Date:   Thu, 6 May 2021 15:00:26 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Ulf Hansson <ulf.hansson@...aro.org>
Cc:     linux-mmc <linux-mmc@...r.kernel.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Wolfram Sang <wsa+renesas@...g-engineering.com>,
        Shawn Lin <shawn.lin@...k-chips.com>,
        Avri Altman <avri.altman@....com>,
        Masami Hiramatsu <masami.hiramatsu@...aro.org>,
        linux-block <linux-block@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 06/11] mmc: core: Prepare mmc_send_cxd_data() to be
 re-used for additional cmds

On Tue, May 4, 2021 at 6:12 PM Ulf Hansson <ulf.hansson@...aro.org> wrote:

>   * NOTE: void *buf, caller for the buf is required to use DMA-capable
>   * buffer or on-stack buffer (with some overhead in callee).
>   */
> -static int
> -mmc_send_cxd_data(struct mmc_card *card, struct mmc_host *host,
> -               u32 opcode, void *buf, unsigned len)
> +int mmc_send_adtc_data(struct mmc_card *card, struct mmc_host *host, u32 opcode,
> +                      u32 args, void *buf, unsigned len)

Just a note here (the change is good)

When applying please add some kerneldoc above mmc_send_adtc_data()
and expand the ADTC acronym and add some info explaining what it
is maybe a small protocol ref or so, so readers of the code get an
intuitive feeling for what this function does and what ADTC is.

Yours,
Linus Walleijq