linux-kernel - Re: [PATCH 3/8] mfd: tps65218: Use mfd_add_devices instead of of_platform

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Message-ID: <20160608155025.GB14888@dell>
Date:	Wed, 8 Jun 2016 16:50:25 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	Keerthy <j-keerthy@...com>
Cc:	broonie@...nel.org, tony@...mide.com, robh+dt@...nel.org,
	mark.rutland@....com, linux-omap@...r.kernel.org,
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, nikita@...pulab.co.il,
	nm@...com
Subject: Re: [PATCH 3/8] mfd: tps65218: Use mfd_add_devices instead of
 of_platform_populate

On Wed, 11 May 2016, Keerthy wrote:

> mfd_add_devices enables parsing device tree nodes without compatibles
> for child nodes. Replace of_platform_populate with mfd_add_devices.
> 
> Signed-off-by: Keerthy <j-keerthy@...com>
> ---
>  drivers/mfd/tps65218.c | 10 ++++++++--
>  1 file changed, 8 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/mfd/tps65218.c b/drivers/mfd/tps65218.c
> index f20a531..b8b3a58 100644
> --- a/drivers/mfd/tps65218.c
> +++ b/drivers/mfd/tps65218.c
> @@ -33,6 +33,10 @@
>  
>  #define TPS65218_PASSWORD_REGS_UNLOCK   0x7D
>  
> +static const struct mfd_cell tps65218_cells[] = {
> +	{ .name = "tps65218-regulator", },
> +};

What other devices does the TPS65218 consist of?

>  /**
>   * tps65218_reg_write: Write a single tps65218 register.
>   *
> @@ -236,8 +240,10 @@ static int tps65218_probe(struct i2c_client *client,
>  	if (ret < 0)
>  		return ret;
>  
> -	ret = of_platform_populate(client->dev.of_node, NULL, NULL,
> -				   &client->dev);
> +	ret = mfd_add_devices(tps->dev, PLATFORM_DEVID_AUTO, tps65218_cells,
> +			      ARRAY_SIZE(tps65218_cells), NULL, 0,
> +			      regmap_irq_get_domain(tps->irq_data));
> +
>  	if (ret < 0)
>  		goto err_irq;
>  

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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