linux-kernel - Re: [PATCH 1/2] staging:iio:hmc5843: Constify register tables and struct regmap

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Message-ID: <54EDB7E5.2050809@kernel.org>
Date:	Wed, 25 Feb 2015 11:54:13 +0000
From:	Jonathan Cameron <jic23@...nel.org>
To:	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	Hartmut Knaack <knaack.h@....de>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Peter Meerwald <pmeerw@...erw.net>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
	devel@...verdev.osuosl.org
Subject: Re: [PATCH 1/2] staging:iio:hmc5843: Constify register tables and
 struct regmap_config

On 24/02/15 09:41, Krzysztof Kozlowski wrote:
> The regmap_access_table and regmap_config structures may be const
> because they are not modified by the driver and regmap_init() accepts
> pointer to const.
> 
> Signed-off-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>
Applied to the togreg branch of iio.git. Note I ended up hand applying
this due to DOS line endings and some fuzz.

Jonathan
> ---
>  drivers/staging/iio/magnetometer/hmc5843_i2c.c | 8 ++++----
>  drivers/staging/iio/magnetometer/hmc5843_spi.c | 8 ++++----
>  2 files changed, 8 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/staging/iio/magnetometer/hmc5843_i2c.c b/drivers/staging/iio/magnetometer/hmc5843_i2c.c
> index 6acd614cdbc6..8346cf81fc2e 100644
> --- a/drivers/staging/iio/magnetometer/hmc5843_i2c.c
> +++ b/drivers/staging/iio/magnetometer/hmc5843_i2c.c
> @@ -22,7 +22,7 @@ static const struct regmap_range hmc5843_readable_ranges[] = {
>  		regmap_reg_range(0, HMC5843_ID_END),
>  };
>  
> -static struct regmap_access_table hmc5843_readable_table = {
> +static const struct regmap_access_table hmc5843_readable_table = {
>  		.yes_ranges = hmc5843_readable_ranges,
>  		.n_yes_ranges = ARRAY_SIZE(hmc5843_readable_ranges),
>  };
> @@ -31,7 +31,7 @@ static const struct regmap_range hmc5843_writable_ranges[] = {
>  		regmap_reg_range(0, HMC5843_MODE_REG),
>  };
>  
> -static struct regmap_access_table hmc5843_writable_table = {
> +static const struct regmap_access_table hmc5843_writable_table = {
>  		.yes_ranges = hmc5843_writable_ranges,
>  		.n_yes_ranges = ARRAY_SIZE(hmc5843_writable_ranges),
>  };
> @@ -40,12 +40,12 @@ static const struct regmap_range hmc5843_volatile_ranges[] = {
>  		regmap_reg_range(HMC5843_DATA_OUT_MSB_REGS, HMC5843_STATUS_REG),
>  };
>  
> -static struct regmap_access_table hmc5843_volatile_table = {
> +static const struct regmap_access_table hmc5843_volatile_table = {
>  		.yes_ranges = hmc5843_volatile_ranges,
>  		.n_yes_ranges = ARRAY_SIZE(hmc5843_volatile_ranges),
>  };
>  
> -static struct regmap_config hmc5843_i2c_regmap_config = {
> +static const struct regmap_config hmc5843_i2c_regmap_config = {
>  		.reg_bits = 8,
>  		.val_bits = 8,
>  
> diff --git a/drivers/staging/iio/magnetometer/hmc5843_spi.c b/drivers/staging/iio/magnetometer/hmc5843_spi.c
> index 98c4b57101c9..8e658f736e1f 100644
> --- a/drivers/staging/iio/magnetometer/hmc5843_spi.c
> +++ b/drivers/staging/iio/magnetometer/hmc5843_spi.c
> @@ -19,7 +19,7 @@ static const struct regmap_range hmc5843_readable_ranges[] = {
>  		regmap_reg_range(0, HMC5843_ID_END),
>  };
>  
> -static struct regmap_access_table hmc5843_readable_table = {
> +static const struct regmap_access_table hmc5843_readable_table = {
>  		.yes_ranges = hmc5843_readable_ranges,
>  		.n_yes_ranges = ARRAY_SIZE(hmc5843_readable_ranges),
>  };
> @@ -28,7 +28,7 @@ static const struct regmap_range hmc5843_writable_ranges[] = {
>  		regmap_reg_range(0, HMC5843_MODE_REG),
>  };
>  
> -static struct regmap_access_table hmc5843_writable_table = {
> +static const struct regmap_access_table hmc5843_writable_table = {
>  		.yes_ranges = hmc5843_writable_ranges,
>  		.n_yes_ranges = ARRAY_SIZE(hmc5843_writable_ranges),
>  };
> @@ -37,12 +37,12 @@ static const struct regmap_range hmc5843_volatile_ranges[] = {
>  		regmap_reg_range(HMC5843_DATA_OUT_MSB_REGS, HMC5843_STATUS_REG),
>  };
>  
> -static struct regmap_access_table hmc5843_volatile_table = {
> +static const struct regmap_access_table hmc5843_volatile_table = {
>  		.yes_ranges = hmc5843_volatile_ranges,
>  		.n_yes_ranges = ARRAY_SIZE(hmc5843_volatile_ranges),
>  };
>  
> -static struct regmap_config hmc5843_spi_regmap_config = {
> +static const struct regmap_config hmc5843_spi_regmap_config = {
>  		.reg_bits = 8,
>  		.val_bits = 8,
>  
> 

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