Re: [PATCH v2 1/8] mfd: tps65218: Remove redundant read wrapper
From: Lee Jones
Date: Mon Jun 27 2016 - 08:22:47 EST
On Mon, 27 Jun 2016, Keerthy wrote:
> Currently read directly calls the repmap read function. Hence
> remove the redundant wrapper and use regmap read wherever
> needed.
>
> Signed-off-by: Keerthy <j-keerthy@xxxxxx>
> ---
> drivers/mfd/tps65218.c | 16 +---------------
> drivers/regulator/tps65218-regulator.c | 3 ++-
> include/linux/mfd/tps65218.h | 2 --
> 3 files changed, 3 insertions(+), 18 deletions(-)
>
> diff --git a/drivers/mfd/tps65218.c b/drivers/mfd/tps65218.c
> index 80b9dc3..f20a531 100644
> --- a/drivers/mfd/tps65218.c
> +++ b/drivers/mfd/tps65218.c
> @@ -34,20 +34,6 @@
> #define TPS65218_PASSWORD_REGS_UNLOCK 0x7D
>
> /**
> - * tps65218_reg_read: Read a single tps65218 register.
> - *
> - * @tps: Device to read from.
> - * @reg: Register to read.
> - * @val: Contians the value
> - */
> -int tps65218_reg_read(struct tps65218 *tps, unsigned int reg,
> - unsigned int *val)
> -{
> - return regmap_read(tps->regmap, reg, val);
> -}
> -EXPORT_SYMBOL_GPL(tps65218_reg_read);
> -
What about the calls in the GPIO and Misc drivers?
> -/**
> * tps65218_reg_write: Write a single tps65218 register.
> *
> * @tps65218: Device to write to.
> @@ -93,7 +79,7 @@ static int tps65218_update_bits(struct tps65218 *tps, unsigned int reg,
> int ret;
> unsigned int data;
>
> - ret = tps65218_reg_read(tps, reg, &data);
> + ret = regmap_read(tps->regmap, reg, &data);
> if (ret) {
> dev_err(tps->dev, "Read from reg 0x%x failed\n", reg);
> return ret;
> diff --git a/drivers/regulator/tps65218-regulator.c b/drivers/regulator/tps65218-regulator.c
> index a5e5634..679ab2f 100644
> --- a/drivers/regulator/tps65218-regulator.c
> +++ b/drivers/regulator/tps65218-regulator.c
> @@ -22,6 +22,7 @@
> #include <linux/err.h>
> #include <linux/platform_device.h>
> #include <linux/of_device.h>
> +#include <linux/regmap.h>
> #include <linux/regulator/of_regulator.h>
> #include <linux/regulator/driver.h>
> #include <linux/regulator/machine.h>
> @@ -224,7 +225,7 @@ static int tps65218_pmic_get_current_limit(struct regulator_dev *dev)
> unsigned int index;
> struct tps65218 *tps = rdev_get_drvdata(dev);
>
> - retval = tps65218_reg_read(tps, dev->desc->csel_reg, &index);
> + retval = regmap_read(tps->regmap, dev->desc->csel_reg, &index);
> if (retval < 0)
> return retval;
>
> diff --git a/include/linux/mfd/tps65218.h b/include/linux/mfd/tps65218.h
> index d58f3b5..7c9241f 100644
> --- a/include/linux/mfd/tps65218.h
> +++ b/include/linux/mfd/tps65218.h
> @@ -276,8 +276,6 @@ struct tps65218 {
> struct regmap *regmap;
> };
>
> -int tps65218_reg_read(struct tps65218 *tps, unsigned int reg,
> - unsigned int *val);
> int tps65218_reg_write(struct tps65218 *tps, unsigned int reg,
> unsigned int val, unsigned int level);
> int tps65218_set_bits(struct tps65218 *tps, unsigned int reg,
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org â Open source software for ARM SoCs
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