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Date:   Thu, 4 Jul 2019 22:49:33 +0900
From:   Akinobu Mita <akinobu.mita@...il.com>
To:     YueHaibing <yuehaibing@...wei.com>
Cc:     Mark Brown <broonie@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        rafael@...nel.org, wsa+renesas@...g-engineering.com,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
        Jacopo Mondi <jacopo@...ndi.org>, khoroshilov@...ras.ru,
        LKML <linux-kernel@...r.kernel.org>,
        Linux Media Mailing List <linux-media@...r.kernel.org>
Subject: Re: [PATCH] regmap: select CONFIG_REGMAP while REGMAP_SCCB is set

2019年7月4日(木) 18:36 YueHaibing <yuehaibing@...wei.com>:
>
> REGMAP_SCCB is selected by ov772x and ov9650 drivers,
> but CONFIG_REGMAP may not, so building will fails:
>
> rivers/media/i2c/ov772x.c: In function ov772x_probe:
> drivers/media/i2c/ov772x.c:1360:22: error: variable ov772x_regmap_config has initializer but incomplete type
>   static const struct regmap_config ov772x_regmap_config = {
>                       ^~~~~~~~~~~~~
> drivers/media/i2c/ov772x.c:1361:4: error: const struct regmap_config has no member named reg_bits
>
> Reported-by: Hulk Robot <hulkci@...wei.com>
> Fixes: 5bbf32217bf9 ("media: ov772x: use SCCB regmap")
> Signed-off-by: YueHaibing <yuehaibing@...wei.com>
> ---
>  drivers/base/regmap/Kconfig | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/base/regmap/Kconfig b/drivers/base/regmap/Kconfig
> index c8bbf53..a498413 100644
> --- a/drivers/base/regmap/Kconfig
> +++ b/drivers/base/regmap/Kconfig
> @@ -4,7 +4,7 @@
>  # subsystems should select the appropriate symbols.
>
>  config REGMAP
> -       default y if (REGMAP_I2C || REGMAP_SPI || REGMAP_SPMI || REGMAP_W1 || REGMAP_AC97 || REGMAP_MMIO || REGMAP_IRQ || REGMAP_I3C)
> +       default y if (REGMAP_I2C || REGMAP_SPI || REGMAP_SPMI || REGMAP_W1 || REGMAP_AC97 || REGMAP_MMIO || REGMAP_IRQ || REGMAP_SCCB || REGMAP_I3C)
>         select IRQ_DOMAIN if REGMAP_IRQ
>         bool

Looks good.

Reviewed-by: Akinobu Mita <akinobu.mita@...il.com>

A similar problem exists for REGMAP_SOUNDWIRE. But I can't find any users
of regmap_init_sdw (i.e. REGMAP_SOUNDWIRE).

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