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SubjectRe: [RFC PATCH v2 4/7] i2c: demux: WIP: handle the new atomic callbacks
On Sat, Mar 02, 2019 at 02:47:32PM +0100, Wolfram Sang wrote:
> If the parent has an atomic callback, we need to translate it the same
> way as the non-atomic callback.
>
> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>

Reviewed-by: Simon Horman <horms+renesas@verge.net.au>

> ---
> drivers/i2c/muxes/i2c-demux-pinctrl.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/i2c/muxes/i2c-demux-pinctrl.c b/drivers/i2c/muxes/i2c-demux-pinctrl.c
> index 035032e20327..5d00adfbe578 100644
> --- a/drivers/i2c/muxes/i2c-demux-pinctrl.c
> +++ b/drivers/i2c/muxes/i2c-demux-pinctrl.c
> @@ -99,6 +99,9 @@ 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;
> + /* FIXME: regular muxes need proper handling, too! */
> + 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
>
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
>

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