linux-kernel - Re: [PATCH 7/9] regulator: palmas: Add palmas_pmic_driver

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Message-ID: <20140617163721.GR29841@lee--X1>
Date:	Tue, 17 Jun 2014 17:37:21 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	Keerthy <j-keerthy@...com>
Cc:	linux-omap@...r.kernel.org, lgirdwood@...il.com,
	broonie@...nel.org, linux-kernel@...r.kernel.org,
	sameo@...ux.intel.com
Subject: Re: [PATCH 7/9] regulator: palmas: Add palmas_pmic_driver_data
 structure

On Wed, 28 May 2014, Keerthy wrote:

> Add palmas_pmic_driver_data structure.
> 
> Signed-off-by: Keerthy <j-keerthy@...com>
> ---
>  include/linux/mfd/palmas.h |   25 +++++++++++++++++++++++++
>  1 file changed, 25 insertions(+)
> 
> diff --git a/include/linux/mfd/palmas.h b/include/linux/mfd/palmas.h
> index 8d68452..70f0695 100644
> --- a/include/linux/mfd/palmas.h
> +++ b/include/linux/mfd/palmas.h
> @@ -53,6 +53,8 @@ struct palmas_pmic;
>  struct palmas_gpadc;
>  struct palmas_resource;
>  struct palmas_usb;
> +struct palmas_pmic_driver_data;
> +struct palmas_pmic_platform_data;
>  
>  enum palmas_usb_state {
>  	PALMAS_USB_STATE_DISCONNECT,
> @@ -76,6 +78,8 @@ struct palmas {
>  	struct mutex irq_lock;
>  	struct regmap_irq_chip_data *irq_data;
>  
> +	struct palmas_pmic_driver_data *pmic_ddata;
> +
>  	/* Child Devices */
>  	struct palmas_pmic *pmic;
>  	struct palmas_gpadc *gpadc;
> @@ -107,6 +111,27 @@ struct regs_info {
>  	int	sleep_id;
>  };
>  
> +struct palmas_pmic_driver_data {
> +	int smps_start;
> +	int smps_end;
> +	int ldo_begin;
> +	int ldo_end;
> +	int max_reg;
> +	struct regs_info *palmas_regs_info;
> +	struct of_regulator_match *palmas_matches;
> +	struct palmas_sleep_requestor_info *sleep_req_info;
> +	int (*smps_register)(struct palmas_pmic *pmic,
> +			     struct palmas_pmic_driver_data *ddata,
> +			     struct palmas_pmic_platform_data *pdata,
> +			     const char *pdev_name,
> +			     struct regulator_config config);
> +	int (*ldo_register)(struct palmas_pmic *pmic,
> +			    struct palmas_pmic_driver_data *ddata,
> +			    struct palmas_pmic_platform_data *pdata,
> +			    const char *pdev_name,
> +			    struct regulator_config config);

Are you sure you need to store all of this stuff?

Particularly the match pointer.  Do you really re-use it?

> +};
> +
>  struct palmas_gpadc_platform_data {
>  	/* Channel 3 current source is only enabled during conversion */
>  	int ch3_current;

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
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