linux-kernel - Re: [PATCH 05/12] i2c: demux: handle the new atomic callbacks

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Date:   Mon, 15 Apr 2019 15:37:44 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Wolfram Sang <wsa+renesas@...g-engineering.com>
Cc:     linux-i2c <linux-i2c@...r.kernel.org>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-arm Mailing List <linux-arm-kernel@...ts.infradead.org>,
        Peter Rosin <peda@...ntia.se>,
        Stefan Lengfeld <contact@...fanchrist.eu>,
        Linux OMAP Mailing List <linux-omap@...r.kernel.org>,
        linux-tegra@...r.kernel.org,
        Linus Walleij <linus.walleij@...aro.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: Re: [PATCH 05/12] i2c: demux: handle the new atomic callbacks

On Wed, Apr 3, 2019 at 3:42 PM Wolfram Sang
<wsa+renesas@...g-engineering.com> wrote:
>
> If the parent has an atomic callback, we need to translate it the same
> way as the non-atomic callback.
>

Reviewed-by Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

> Signed-off-by: Wolfram Sang <wsa+renesas@...g-engineering.com>
> ---
>  drivers/i2c/muxes/i2c-demux-pinctrl.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/drivers/i2c/muxes/i2c-demux-pinctrl.c b/drivers/i2c/muxes/i2c-demux-pinctrl.c
> index 035032e20327..d50454c565ee 100644
> --- a/drivers/i2c/muxes/i2c-demux-pinctrl.c
> +++ b/drivers/i2c/muxes/i2c-demux-pinctrl.c
> @@ -99,6 +99,8 @@ static int i2c_demux_activate_master(struct i2c_demux_pinctrl_priv *priv, u32 ne
>
>         /* Now fill out current adapter structure. cur_chan must be up to date */
>         priv->algo.master_xfer = i2c_demux_master_xfer;
> +       if (adap->algo->master_xfer_atomic)
> +               priv->algo.master_xfer_atomic = i2c_demux_master_xfer;
>         priv->algo.functionality = i2c_demux_functionality;
>
>         snprintf(priv->cur_adap.name, sizeof(priv->cur_adap.name),
> --
> 2.11.0
>


-- 
With Best Regards,
Andy Shevchenko