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Message-ID: <20200722202029.jq2nlmzghzwgpjq6@arch-thunder.localdomain>
Date: Wed, 22 Jul 2020 21:20:29 +0100
From: Rui Miguel Silva <rui.silva@...aro.org>
To: Lee Jones <lee.jones@...aro.org>
Cc: jic23@...nel.org, knaack.h@....de, lars@...afoo.de,
pmeerw@...erw.net, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org, linux-iio@...r.kernel.org
Subject: Re: [PATCH 18/30] iio: gyro: fxas21002c: Move
'fxas21002c_reg_fields' to the only file its used
Hi Lee,
Sorry for the late reply, been out of office and catching up with
mails now.
On Fri, Jul 17, 2020 at 05:55:26PM +0100, Lee Jones wrote:
> 'fxas21002c_reg_fields' is only used in '*core*', meaning that '*i2c*'
> and '*spi*' complain of a defined but not used const variable. Let's
> move it into the source file.
>
> Fixes the following W=1 kernel build warning(s):
>
> In file included from drivers/iio/gyro/fxas21002c_i2c.c:14:
> drivers/iio/gyro/fxas21002c.h:79:31: warning: ‘fxas21002c_reg_fields’ defined but not used [-Wunused-const-variable=]
> 79 | static const struct reg_field fxas21002c_reg_fields[] = {
> | ^~~~~~~~~~~~~~~~~~~~~
> In file included from drivers/iio/gyro/fxas21002c_spi.c:14:
> drivers/iio/gyro/fxas21002c.h:79:31: warning: ‘fxas21002c_reg_fields’ defined but not used [-Wunused-const-variable=]
> 79 | static const struct reg_field fxas21002c_reg_fields[] = {
> | ^~~~~~~~~~~~~~~~~~~~~
>
> Cc: Rui Miguel Silva <rmfrfs@...il.com>
>
Thanks for this, not going in time for the official tagging, since
gregkh already picked this up for staging, but fwiw:
Acked-by: Rui Miguel Silva <rmfrfs@...il.com>
------
Cheers,
Rui
> Signed-off-by: Lee Jones <lee.jones@...aro.org>
> ---
> drivers/iio/gyro/fxas21002c.h | 66 ------------------------------
> drivers/iio/gyro/fxas21002c_core.c | 66 ++++++++++++++++++++++++++++++
> 2 files changed, 66 insertions(+), 66 deletions(-)
>
> diff --git a/drivers/iio/gyro/fxas21002c.h b/drivers/iio/gyro/fxas21002c.h
> index 566d92de26763..c81cecee121cb 100644
> --- a/drivers/iio/gyro/fxas21002c.h
> +++ b/drivers/iio/gyro/fxas21002c.h
> @@ -76,72 +76,6 @@ enum fxas21002c_fields {
> F_MAX_FIELDS,
> };
>
> -static const struct reg_field fxas21002c_reg_fields[] = {
> - [F_DR_STATUS] = REG_FIELD(FXAS21002C_REG_STATUS, 0, 7),
> - [F_OUT_X_MSB] = REG_FIELD(FXAS21002C_REG_OUT_X_MSB, 0, 7),
> - [F_OUT_X_LSB] = REG_FIELD(FXAS21002C_REG_OUT_X_LSB, 0, 7),
> - [F_OUT_Y_MSB] = REG_FIELD(FXAS21002C_REG_OUT_Y_MSB, 0, 7),
> - [F_OUT_Y_LSB] = REG_FIELD(FXAS21002C_REG_OUT_Y_LSB, 0, 7),
> - [F_OUT_Z_MSB] = REG_FIELD(FXAS21002C_REG_OUT_Z_MSB, 0, 7),
> - [F_OUT_Z_LSB] = REG_FIELD(FXAS21002C_REG_OUT_Z_LSB, 0, 7),
> - [F_ZYX_OW] = REG_FIELD(FXAS21002C_REG_DR_STATUS, 7, 7),
> - [F_Z_OW] = REG_FIELD(FXAS21002C_REG_DR_STATUS, 6, 6),
> - [F_Y_OW] = REG_FIELD(FXAS21002C_REG_DR_STATUS, 5, 5),
> - [F_X_OW] = REG_FIELD(FXAS21002C_REG_DR_STATUS, 4, 4),
> - [F_ZYX_DR] = REG_FIELD(FXAS21002C_REG_DR_STATUS, 3, 3),
> - [F_Z_DR] = REG_FIELD(FXAS21002C_REG_DR_STATUS, 2, 2),
> - [F_Y_DR] = REG_FIELD(FXAS21002C_REG_DR_STATUS, 1, 1),
> - [F_X_DR] = REG_FIELD(FXAS21002C_REG_DR_STATUS, 0, 0),
> - [F_OVF] = REG_FIELD(FXAS21002C_REG_F_STATUS, 7, 7),
> - [F_WMKF] = REG_FIELD(FXAS21002C_REG_F_STATUS, 6, 6),
> - [F_CNT] = REG_FIELD(FXAS21002C_REG_F_STATUS, 0, 5),
> - [F_MODE] = REG_FIELD(FXAS21002C_REG_F_SETUP, 6, 7),
> - [F_WMRK] = REG_FIELD(FXAS21002C_REG_F_SETUP, 0, 5),
> - [F_EVENT] = REG_FIELD(FXAS21002C_REG_F_EVENT, 5, 5),
> - [FE_TIME] = REG_FIELD(FXAS21002C_REG_F_EVENT, 0, 4),
> - [F_BOOTEND] = REG_FIELD(FXAS21002C_REG_INT_SRC_FLAG, 3, 3),
> - [F_SRC_FIFO] = REG_FIELD(FXAS21002C_REG_INT_SRC_FLAG, 2, 2),
> - [F_SRC_RT] = REG_FIELD(FXAS21002C_REG_INT_SRC_FLAG, 1, 1),
> - [F_SRC_DRDY] = REG_FIELD(FXAS21002C_REG_INT_SRC_FLAG, 0, 0),
> - [F_WHO_AM_I] = REG_FIELD(FXAS21002C_REG_WHO_AM_I, 0, 7),
> - [F_BW] = REG_FIELD(FXAS21002C_REG_CTRL0, 6, 7),
> - [F_SPIW] = REG_FIELD(FXAS21002C_REG_CTRL0, 5, 5),
> - [F_SEL] = REG_FIELD(FXAS21002C_REG_CTRL0, 3, 4),
> - [F_HPF_EN] = REG_FIELD(FXAS21002C_REG_CTRL0, 2, 2),
> - [F_FS] = REG_FIELD(FXAS21002C_REG_CTRL0, 0, 1),
> - [F_ELE] = REG_FIELD(FXAS21002C_REG_RT_CFG, 3, 3),
> - [F_ZTEFE] = REG_FIELD(FXAS21002C_REG_RT_CFG, 2, 2),
> - [F_YTEFE] = REG_FIELD(FXAS21002C_REG_RT_CFG, 1, 1),
> - [F_XTEFE] = REG_FIELD(FXAS21002C_REG_RT_CFG, 0, 0),
> - [F_EA] = REG_FIELD(FXAS21002C_REG_RT_SRC, 6, 6),
> - [F_ZRT] = REG_FIELD(FXAS21002C_REG_RT_SRC, 5, 5),
> - [F_ZRT_POL] = REG_FIELD(FXAS21002C_REG_RT_SRC, 4, 4),
> - [F_YRT] = REG_FIELD(FXAS21002C_REG_RT_SRC, 3, 3),
> - [F_YRT_POL] = REG_FIELD(FXAS21002C_REG_RT_SRC, 2, 2),
> - [F_XRT] = REG_FIELD(FXAS21002C_REG_RT_SRC, 1, 1),
> - [F_XRT_POL] = REG_FIELD(FXAS21002C_REG_RT_SRC, 0, 0),
> - [F_DBCNTM] = REG_FIELD(FXAS21002C_REG_RT_THS, 7, 7),
> - [F_THS] = REG_FIELD(FXAS21002C_REG_RT_SRC, 0, 6),
> - [F_RT_COUNT] = REG_FIELD(FXAS21002C_REG_RT_COUNT, 0, 7),
> - [F_TEMP] = REG_FIELD(FXAS21002C_REG_TEMP, 0, 7),
> - [F_RST] = REG_FIELD(FXAS21002C_REG_CTRL1, 6, 6),
> - [F_ST] = REG_FIELD(FXAS21002C_REG_CTRL1, 5, 5),
> - [F_DR] = REG_FIELD(FXAS21002C_REG_CTRL1, 2, 4),
> - [F_ACTIVE] = REG_FIELD(FXAS21002C_REG_CTRL1, 1, 1),
> - [F_READY] = REG_FIELD(FXAS21002C_REG_CTRL1, 0, 0),
> - [F_INT_CFG_FIFO] = REG_FIELD(FXAS21002C_REG_CTRL2, 7, 7),
> - [F_INT_EN_FIFO] = REG_FIELD(FXAS21002C_REG_CTRL2, 6, 6),
> - [F_INT_CFG_RT] = REG_FIELD(FXAS21002C_REG_CTRL2, 5, 5),
> - [F_INT_EN_RT] = REG_FIELD(FXAS21002C_REG_CTRL2, 4, 4),
> - [F_INT_CFG_DRDY] = REG_FIELD(FXAS21002C_REG_CTRL2, 3, 3),
> - [F_INT_EN_DRDY] = REG_FIELD(FXAS21002C_REG_CTRL2, 2, 2),
> - [F_IPOL] = REG_FIELD(FXAS21002C_REG_CTRL2, 1, 1),
> - [F_PP_OD] = REG_FIELD(FXAS21002C_REG_CTRL2, 0, 0),
> - [F_WRAPTOONE] = REG_FIELD(FXAS21002C_REG_CTRL3, 3, 3),
> - [F_EXTCTRLEN] = REG_FIELD(FXAS21002C_REG_CTRL3, 2, 2),
> - [F_FS_DOUBLE] = REG_FIELD(FXAS21002C_REG_CTRL3, 0, 0),
> -};
> -
> extern const struct dev_pm_ops fxas21002c_pm_ops;
>
> int fxas21002c_core_probe(struct device *dev, struct regmap *regmap, int irq,
> diff --git a/drivers/iio/gyro/fxas21002c_core.c b/drivers/iio/gyro/fxas21002c_core.c
> index 89d2bb2282eac..f20033afc714c 100644
> --- a/drivers/iio/gyro/fxas21002c_core.c
> +++ b/drivers/iio/gyro/fxas21002c_core.c
> @@ -42,6 +42,72 @@ enum fxas21002c_mode_state {
>
> #define FXAS21002C_AXIS_TO_REG(axis) (FXAS21002C_REG_OUT_X_MSB + ((axis) * 2))
>
> +static const struct reg_field fxas21002c_reg_fields[] = {
> + [F_DR_STATUS] = REG_FIELD(FXAS21002C_REG_STATUS, 0, 7),
> + [F_OUT_X_MSB] = REG_FIELD(FXAS21002C_REG_OUT_X_MSB, 0, 7),
> + [F_OUT_X_LSB] = REG_FIELD(FXAS21002C_REG_OUT_X_LSB, 0, 7),
> + [F_OUT_Y_MSB] = REG_FIELD(FXAS21002C_REG_OUT_Y_MSB, 0, 7),
> + [F_OUT_Y_LSB] = REG_FIELD(FXAS21002C_REG_OUT_Y_LSB, 0, 7),
> + [F_OUT_Z_MSB] = REG_FIELD(FXAS21002C_REG_OUT_Z_MSB, 0, 7),
> + [F_OUT_Z_LSB] = REG_FIELD(FXAS21002C_REG_OUT_Z_LSB, 0, 7),
> + [F_ZYX_OW] = REG_FIELD(FXAS21002C_REG_DR_STATUS, 7, 7),
> + [F_Z_OW] = REG_FIELD(FXAS21002C_REG_DR_STATUS, 6, 6),
> + [F_Y_OW] = REG_FIELD(FXAS21002C_REG_DR_STATUS, 5, 5),
> + [F_X_OW] = REG_FIELD(FXAS21002C_REG_DR_STATUS, 4, 4),
> + [F_ZYX_DR] = REG_FIELD(FXAS21002C_REG_DR_STATUS, 3, 3),
> + [F_Z_DR] = REG_FIELD(FXAS21002C_REG_DR_STATUS, 2, 2),
> + [F_Y_DR] = REG_FIELD(FXAS21002C_REG_DR_STATUS, 1, 1),
> + [F_X_DR] = REG_FIELD(FXAS21002C_REG_DR_STATUS, 0, 0),
> + [F_OVF] = REG_FIELD(FXAS21002C_REG_F_STATUS, 7, 7),
> + [F_WMKF] = REG_FIELD(FXAS21002C_REG_F_STATUS, 6, 6),
> + [F_CNT] = REG_FIELD(FXAS21002C_REG_F_STATUS, 0, 5),
> + [F_MODE] = REG_FIELD(FXAS21002C_REG_F_SETUP, 6, 7),
> + [F_WMRK] = REG_FIELD(FXAS21002C_REG_F_SETUP, 0, 5),
> + [F_EVENT] = REG_FIELD(FXAS21002C_REG_F_EVENT, 5, 5),
> + [FE_TIME] = REG_FIELD(FXAS21002C_REG_F_EVENT, 0, 4),
> + [F_BOOTEND] = REG_FIELD(FXAS21002C_REG_INT_SRC_FLAG, 3, 3),
> + [F_SRC_FIFO] = REG_FIELD(FXAS21002C_REG_INT_SRC_FLAG, 2, 2),
> + [F_SRC_RT] = REG_FIELD(FXAS21002C_REG_INT_SRC_FLAG, 1, 1),
> + [F_SRC_DRDY] = REG_FIELD(FXAS21002C_REG_INT_SRC_FLAG, 0, 0),
> + [F_WHO_AM_I] = REG_FIELD(FXAS21002C_REG_WHO_AM_I, 0, 7),
> + [F_BW] = REG_FIELD(FXAS21002C_REG_CTRL0, 6, 7),
> + [F_SPIW] = REG_FIELD(FXAS21002C_REG_CTRL0, 5, 5),
> + [F_SEL] = REG_FIELD(FXAS21002C_REG_CTRL0, 3, 4),
> + [F_HPF_EN] = REG_FIELD(FXAS21002C_REG_CTRL0, 2, 2),
> + [F_FS] = REG_FIELD(FXAS21002C_REG_CTRL0, 0, 1),
> + [F_ELE] = REG_FIELD(FXAS21002C_REG_RT_CFG, 3, 3),
> + [F_ZTEFE] = REG_FIELD(FXAS21002C_REG_RT_CFG, 2, 2),
> + [F_YTEFE] = REG_FIELD(FXAS21002C_REG_RT_CFG, 1, 1),
> + [F_XTEFE] = REG_FIELD(FXAS21002C_REG_RT_CFG, 0, 0),
> + [F_EA] = REG_FIELD(FXAS21002C_REG_RT_SRC, 6, 6),
> + [F_ZRT] = REG_FIELD(FXAS21002C_REG_RT_SRC, 5, 5),
> + [F_ZRT_POL] = REG_FIELD(FXAS21002C_REG_RT_SRC, 4, 4),
> + [F_YRT] = REG_FIELD(FXAS21002C_REG_RT_SRC, 3, 3),
> + [F_YRT_POL] = REG_FIELD(FXAS21002C_REG_RT_SRC, 2, 2),
> + [F_XRT] = REG_FIELD(FXAS21002C_REG_RT_SRC, 1, 1),
> + [F_XRT_POL] = REG_FIELD(FXAS21002C_REG_RT_SRC, 0, 0),
> + [F_DBCNTM] = REG_FIELD(FXAS21002C_REG_RT_THS, 7, 7),
> + [F_THS] = REG_FIELD(FXAS21002C_REG_RT_SRC, 0, 6),
> + [F_RT_COUNT] = REG_FIELD(FXAS21002C_REG_RT_COUNT, 0, 7),
> + [F_TEMP] = REG_FIELD(FXAS21002C_REG_TEMP, 0, 7),
> + [F_RST] = REG_FIELD(FXAS21002C_REG_CTRL1, 6, 6),
> + [F_ST] = REG_FIELD(FXAS21002C_REG_CTRL1, 5, 5),
> + [F_DR] = REG_FIELD(FXAS21002C_REG_CTRL1, 2, 4),
> + [F_ACTIVE] = REG_FIELD(FXAS21002C_REG_CTRL1, 1, 1),
> + [F_READY] = REG_FIELD(FXAS21002C_REG_CTRL1, 0, 0),
> + [F_INT_CFG_FIFO] = REG_FIELD(FXAS21002C_REG_CTRL2, 7, 7),
> + [F_INT_EN_FIFO] = REG_FIELD(FXAS21002C_REG_CTRL2, 6, 6),
> + [F_INT_CFG_RT] = REG_FIELD(FXAS21002C_REG_CTRL2, 5, 5),
> + [F_INT_EN_RT] = REG_FIELD(FXAS21002C_REG_CTRL2, 4, 4),
> + [F_INT_CFG_DRDY] = REG_FIELD(FXAS21002C_REG_CTRL2, 3, 3),
> + [F_INT_EN_DRDY] = REG_FIELD(FXAS21002C_REG_CTRL2, 2, 2),
> + [F_IPOL] = REG_FIELD(FXAS21002C_REG_CTRL2, 1, 1),
> + [F_PP_OD] = REG_FIELD(FXAS21002C_REG_CTRL2, 0, 0),
> + [F_WRAPTOONE] = REG_FIELD(FXAS21002C_REG_CTRL3, 3, 3),
> + [F_EXTCTRLEN] = REG_FIELD(FXAS21002C_REG_CTRL3, 2, 2),
> + [F_FS_DOUBLE] = REG_FIELD(FXAS21002C_REG_CTRL3, 0, 0),
> +};
> +
> static const int fxas21002c_odr_values[] = {
> 800, 400, 200, 100, 50, 25, 12, 12
> };
> --
> 2.25.1
>
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