[U-Boot] [PATCH 1/6] exynos: Use common pmic_reg_update() definition

Lukasz Majewski l.majewski at samsung.com
Wed Oct 2 16:49:20 CEST 2013


Hi Leela,

> This function is used by different Exynos platforms, put it in the
> common file.
> 
> Signed-off-by: Vadim Bendebury <vbendeb at chromium.org>
> Signed-off-by: Leela Krishna Amudala <l.krishna at samsung.com>
> Reviewed-by: Doug Anderson <dianders at google.com>
> ---
>  board/samsung/common/board.c |   19 -------------------
>  drivers/power/power_i2c.c    |   19 +++++++++++++++++++
>  include/power/pmic.h         |    1 +
>  3 files changed, 20 insertions(+), 19 deletions(-)
> 
> diff --git a/board/samsung/common/board.c
> b/board/samsung/common/board.c index ce85ddb..87ca9de 100644
> --- a/board/samsung/common/board.c
> +++ b/board/samsung/common/board.c
> @@ -152,25 +152,6 @@ static int board_init_cros_ec_devices(const void
> *blob) 
>  #if defined(CONFIG_POWER)
>  #ifdef CONFIG_POWER_MAX77686
> -static int pmic_reg_update(struct pmic *p, int reg, uint regval)
> -{
> -	u32 val;
> -	int ret = 0;
> -
> -	ret = pmic_reg_read(p, reg, &val);
> -	if (ret) {
> -		debug("%s: PMIC %d register read failed\n",
> __func__, reg);
> -		return -1;
> -	}
> -	val |= regval;
> -	ret = pmic_reg_write(p, reg, val);
> -	if (ret) {
> -		debug("%s: PMIC %d register write failed\n",
> __func__, reg);
> -		return -1;
> -	}
> -	return 0;
> -}
> -
>  static int max77686_init(void)
>  {
>  	struct pmic *p;
> diff --git a/drivers/power/power_i2c.c b/drivers/power/power_i2c.c
> index ac76870..47c606f 100644
> --- a/drivers/power/power_i2c.c
> +++ b/drivers/power/power_i2c.c
> @@ -96,6 +96,25 @@ int pmic_reg_read(struct pmic *p, u32 reg, u32
> *val) return 0;
>  }
>  
> +int pmic_reg_update(struct pmic *p, int reg, uint regval)

It seems like this function shall be added to pmic_core.c, since it uses
the pmic_reg_{read|write}, which are defined for both, spi and i2c.

> +{
> +	u32 val;
> +	int ret = 0;
> +
> +	ret = pmic_reg_read(p, reg, &val);
> +	if (ret) {
> +		debug("%s: PMIC %d register read failed\n",
> __func__, reg);
> +		return -1;
> +	}
> +	val |= regval;
> +	ret = pmic_reg_write(p, reg, val);
> +	if (ret) {
> +		debug("%s: PMIC %d register write failed\n",
> __func__, reg);
> +		return -1;
> +	}
> +	return 0;
> +}
> +
>  int pmic_probe(struct pmic *p)
>  {
>  	i2c_set_bus_num(p->bus);
> diff --git a/include/power/pmic.h b/include/power/pmic.h
> index 0e7aa31..d17dbdc 100644
> --- a/include/power/pmic.h
> +++ b/include/power/pmic.h
> @@ -83,6 +83,7 @@ int pmic_probe(struct pmic *p);
>  int pmic_reg_read(struct pmic *p, u32 reg, u32 *val);
>  int pmic_reg_write(struct pmic *p, u32 reg, u32 val);
>  int pmic_set_output(struct pmic *p, u32 reg, int ldo, int on);
> +int pmic_reg_update(struct pmic *p, int reg, uint regval);
>  
>  #define pmic_i2c_addr (p->hw.i2c.addr)
>  #define pmic_i2c_tx_num (p->hw.i2c.tx_num)



-- 
Best regards,

Lukasz Majewski

Samsung R&D Institute Poland (SRPOL) | Linux Platform Group


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