linux-kernel - Re: [PATCH v2] spi: <linux/spi/spi.h>: Add missing documentation for struct members

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Message-ID: <CAHp75Vdg_ZfEsaOq4Cn+=RbGZYzW6eB3PBNpvip++6F5t6AGVQ@mail.gmail.com>
Date:   Wed, 8 Jun 2022 18:36:43 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     David Jander <david@...tonic.nl>
Cc:     Mark Brown <broonie@...nel.org>,
        linux-spi <linux-spi@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>
Subject: Re: [PATCH v2] spi: <linux/spi/spi.h>: Add missing documentation for
 struct members

On Wed, Jun 8, 2022 at 5:33 PM David Jander <david@...tonic.nl> wrote:
>
> Fixes these "make htmldocs" warnings:
>
> include/linux/spi/spi.h:82: warning: Function parameter or member 'syncp' not described in 'spi_statistics'
> include/linux/spi/spi.h:213: warning: Function parameter or member 'pcpu_statistics' not described in 'spi_device'
> include/linux/spi/spi.h:676: warning: Function parameter or member 'pcpu_statistics' not described in 'spi_controller'

Thanks, you may add my
Reviewed-by: Andy Shevchenko <andy.shevchenko@...il.com>

However, you don't need to put that "<include/...>:" part in the subject line.

> Fixes: 6598b91b5ac3 ("spi: spi.c: Convert statistics to per-cpu u64_stats_t")
> Reported-by: Stephen Rothwell <sfr@...b.auug.org.au>
> Signed-off-by: David Jander <david@...tonic.nl>
> ---
> v2:
>  - Correct patch subject line style
>  - Add the text of the actual warnings that are being fixed
>  - Add a Fixes: tag
> ---
>  include/linux/spi/spi.h | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
> index eac8d3caf954..2e63b4935deb 100644
> --- a/include/linux/spi/spi.h
> +++ b/include/linux/spi/spi.h
> @@ -35,7 +35,8 @@ extern struct bus_type spi_bus_type;
>
>  /**
>   * struct spi_statistics - statistics for spi transfers
> - * @lock:          lock protecting this structure
> + * @syncp:         seqcount to protect members in this struct for per-cpu udate
> + *                 on 32-bit systems
>   *
>   * @messages:      number of spi-messages handled
>   * @transfers:     number of spi_transfers handled
> @@ -155,7 +156,7 @@ extern int spi_delay_exec(struct spi_delay *_delay, struct spi_transfer *xfer);
>   * @cs_inactive: delay to be introduced by the controller after CS is
>   *     deasserted. If @cs_change_delay is used from @spi_transfer, then the
>   *     two delays will be added up.
> - * @statistics: statistics for the spi_device
> + * @pcpu_statistics: statistics for the spi_device
>   *
>   * A @spi_device is used to interchange data between an SPI slave
>   * (usually a discrete chip) and CPU memory.
> @@ -439,7 +440,7 @@ extern struct spi_device *spi_new_ancillary_device(struct spi_device *spi, u8 ch
>   * @max_native_cs: When cs_gpiods is used, and this field is filled in,
>   *     spi_register_controller() will validate all native CS (including the
>   *     unused native CS) against this value.
> - * @statistics: statistics for the spi_controller
> + * @pcpu_statistics: statistics for the spi_controller
>   * @dma_tx: DMA transmit channel
>   * @dma_rx: DMA receive channel
>   * @dummy_rx: dummy receive buffer for full-duplex devices
> --
> 2.32.0
>


-- 
With Best Regards,
Andy Shevchenko