[U-Boot] [PATCH V3 1/6] exynos: Use common pmic_reg_update() definition

[Minkyu Kang <mk7.kang@samsung.com>]

Dear Leela Krishna Amudala,

On 12/11/13 19:04, Leela Krishna Amudala wrote:
> This function is used by different Exynos platforms, put it in the
> common file.
> 
> Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
> Signed-off-by: Leela Krishna Amudala <l.krishna@samsung.com>
> Reviewed-by: Doug Anderson <dianders@google.com>
> Reviewed-by: Lukasz Majewski <l.majewski@samsung.com>
> Acked-by: Simon Glass <sjg@chromium.org>
> ---
>  board/samsung/common/board.c |   19 -------------------
>  drivers/power/power_core.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 2512a59..1959c4e 100644
> --- a/board/samsung/common/board.c
> +++ b/board/samsung/common/board.c
> @@ -156,25 +156,6 @@ 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_core.c b/drivers/power/power_core.c
> index 29ccc83..e715435 100644
> --- a/drivers/power/power_core.c
> +++ b/drivers/power/power_core.c
> @@ -208,6 +208,25 @@ int do_pmic(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
>  	return CMD_RET_SUCCESS;
>  }
>  
> +int pmic_reg_update(struct pmic *p, int reg, uint regval)
> +{
> +	u32 val;
> +	int ret = 0;

= 0 is unnecessary.

> +
> +	ret = pmic_reg_read(p, reg, &val);
> +	if (ret) {
> +		debug("%s: PMIC %d register read failed\n", __func__, reg);
> +		return -1;
> +	}

please add blank line.

> +	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;
> +}
> +
>  U_BOOT_CMD(
>  	pmic,	CONFIG_SYS_MAXARGS, 1, do_pmic,
>  	"PMIC",
> 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);

uint regval -> u32 val, for keep naming convention with other functions.

>  
>  #define pmic_i2c_addr (p->hw.i2c.addr)
>  #define pmic_i2c_tx_num (p->hw.i2c.tx_num)
> 

Thanks,
Minkyu Kang.