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SubjectRe: [PATCH v9 03/12] mfd: simple-mfd-i2c: Save the register client data
On Fri, 06 Aug 2021, Alistair Francis wrote:

> Signed-off-by: Alistair Francis <alistair@alistair23.me>
> ---
> drivers/mfd/simple-mfd-i2c.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/mfd/simple-mfd-i2c.c b/drivers/mfd/simple-mfd-i2c.c
> index 583e8c7924af..633a2b28b6cb 100644
> --- a/drivers/mfd/simple-mfd-i2c.c
> +++ b/drivers/mfd/simple-mfd-i2c.c
> @@ -48,6 +48,8 @@ static int simple_mfd_i2c_probe(struct i2c_client *i2c)
> if (IS_ERR(regmap))
> return PTR_ERR(regmap);
>
> + i2c_set_clientdata(i2c, regmap);
> +

No need to store this here.

Just do this in the child device:

dev_get_regmap(pdev->dev.parent, NULL);

> /* If no MFD cells are spedified, use register the DT child nodes instead */
> if (!simple_mfd_data || !simple_mfd_data->mfd_cell)
> return devm_of_platform_populate(&i2c->dev);

--
Lee Jones [李琼斯]
Senior Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
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