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Date: Wed, 7 Mar 2018 20:44:50 +0000
From: Jonathan Cameron <jic23@...nel.org>
To: Himanshu Jha <himanshujha199640@...il.com>
Cc: lars@...afoo.de, Michael.Hennerich@...log.com, knaack.h@....de,
pmeerw@...erw.net, gregkh@...uxfoundation.org,
linux-iio@...r.kernel.org, devel@...verdev.osuosl.org,
linux-kernel@...r.kernel.org, daniel.baluta@...il.com
Subject: Re: [PATCH 05/11] Staging: iio: accel: Add _REG suffix to registers
On Mon, 5 Mar 2018 13:19:24 +0530
Himanshu Jha <himanshujha199640@...il.com> wrote:
> Addition of _REG suffix to the register definitions allows a distinction
> between registers and register fields. The various registers and its field
> bits are grouped together to improve readability and easy indentification.
>
> Signed-off-by: Himanshu Jha <himanshujha199640@...il.com>
This one looks good. I will pick it up once you've tweaked the
predecessor patches.
Thanks,
Jonathan
> ---
> drivers/staging/iio/accel/adis16201.c | 133 ++++++++++++++++------------------
> 1 file changed, 61 insertions(+), 72 deletions(-)
>
> diff --git a/drivers/staging/iio/accel/adis16201.c b/drivers/staging/iio/accel/adis16201.c
> index 445cb56..476b1c3 100644
> --- a/drivers/staging/iio/accel/adis16201.c
> +++ b/drivers/staging/iio/accel/adis16201.c
> @@ -20,75 +20,64 @@
> #include <linux/iio/buffer.h>
> #include <linux/iio/imu/adis.h>
>
> -#define ADIS16201_STARTUP_DELAY_MS 220
> -#define ADIS16201_FLASH_CNT 0x00
> +#define ADIS16201_STARTUP_DELAY_MS 220
> +#define ADIS16201_FLASH_CNT 0x00
>
> /* Data Output Register Information */
> -#define ADIS16201_SUPPLY_OUT 0x02
> -#define ADIS16201_XACCL_OUT 0x04
> -#define ADIS16201_YACCL_OUT 0x06
> -#define ADIS16201_AUX_ADC 0x08
> -#define ADIS16201_TEMP_OUT 0x0A
> -#define ADIS16201_XINCL_OUT 0x0C
> -#define ADIS16201_YINCL_OUT 0x0E
> +#define ADIS16201_SUPPLY_OUT_REG 0x02
> +#define ADIS16201_XACCL_OUT_REG 0x04
> +#define ADIS16201_YACCL_OUT_REG 0x06
> +#define ADIS16201_AUX_ADC_REG 0x08
> +#define ADIS16201_TEMP_OUT_REG 0x0A
> +#define ADIS16201_XINCL_OUT_REG 0x0C
> +#define ADIS16201_YINCL_OUT_REG 0x0E
>
> /* Calibration Register Definition */
> -#define ADIS16201_XACCL_OFFS 0x10
> -#define ADIS16201_YACCL_OFFS 0x12
> -#define ADIS16201_XACCL_SCALE 0x14
> -#define ADIS16201_YACCL_SCALE 0x16
> -#define ADIS16201_XINCL_OFFS 0x18
> -#define ADIS16201_YINCL_OFFS 0x1A
> -#define ADIS16201_XINCL_SCALE 0x1C
> -#define ADIS16201_YINCL_SCALE 0x1E
> +#define ADIS16201_XACCL_OFFS_REG 0x10
> +#define ADIS16201_YACCL_OFFS_REG 0x12
> +#define ADIS16201_XACCL_SCALE_REG 0x14
> +#define ADIS16201_YACCL_SCALE_REG 0x16
> +#define ADIS16201_XINCL_OFFS_REG 0x18
> +#define ADIS16201_YINCL_OFFS_REG 0x1A
> +#define ADIS16201_XINCL_SCALE_REG 0x1C
> +#define ADIS16201_YINCL_SCALE_REG 0x1E
>
> /* Alarm Register Definition */
> -#define ADIS16201_ALM_MAG1 0x20
> -#define ADIS16201_ALM_MAG2 0x22
> -#define ADIS16201_ALM_SMPL1 0x24
> -#define ADIS16201_ALM_SMPL2 0x26
> -#define ADIS16201_ALM_CTRL 0x28
> -
> -#define ADIS16201_AUX_DAC 0x30
> -#define ADIS16201_GPIO_CTRL 0x32
> -#define ADIS16201_MSC_CTRL 0x34
> -
> -#define ADIS16201_SMPL_PRD 0x36
> -#define ADIS16201_AVG_CNT 0x38
> -#define ADIS16201_SLP_CNT 0x3A
> +#define ADIS16201_ALM_MAG1_REG 0x20
> +#define ADIS16201_ALM_MAG2_REG 0x22
> +#define ADIS16201_ALM_SMPL1_REG 0x24
> +#define ADIS16201_ALM_SMPL2_REG 0x26
> +#define ADIS16201_ALM_CTRL_REG 0x28
> +
> +#define ADIS16201_AUX_DAC_REG 0x30
> +#define ADIS16201_GPIO_CTRL_REG 0x32
> +#define ADIS16201_MSC_CTRL_REG 0x34
> +#define ADIS16201_SMPL_PRD_REG 0x36
> +#define ADIS16201_AVG_CNT_REG 0x38
> +#define ADIS16201_SLP_CNT_REG 0x3A
> +
> +/* Miscellaneous Control Register Definition */
> +#define ADIS16201_MSC_CTRL_REG 0x34
> +#define ADIS16201_MSC_CTRL_SELF_TEST_EN BIT(8)
> +#define ADIS16201_MSC_CTRL_DATA_RDY_EN BIT(2)
> +#define ADIS16201_MSC_CTRL_ACTIVE_DATA_RDY_HIGH BIT(1)
> +#define ADIS16201_MSC_CTRL_DATA_RDY_DIO1 BIT(0)
>
> /* Diagnostics, system status register */
> -#define ADIS16201_DIAG_STAT 0x3C
> +#define ADIS16201_DIAG_STAT_REG 0x3C
> +#define ADIS16201_DIAG_STAT_ALARM2 BIT(9)
> +#define ADIS16201_DIAG_STAT_ALARM1 BIT(8)
> +#define ADIS16201_DIAG_STAT_SPI_FAIL_BIT 3
> +#define ADIS16201_DIAG_STAT_FLASH_UPT_FAIL_BIT 2
> +#define ADIS16201_DIAG_STAT_POWER_HIGH_BIT 1
> +#define ADIS16201_DIAG_STAT_POWER_LOW_BIT 0
>
> /* Operation, system command register */
> -#define ADIS16201_GLOB_CMD 0x3E
> -
> -
> -#define ADIS16201_MSC_CTRL_SELF_TEST_EN BIT(8)
> -
> -#define ADIS16201_MSC_CTRL_DATA_RDY_EN BIT(2)
> -
> -#define ADIS16201_MSC_CTRL_ACTIVE_DATA_RDY_HIGH BIT(1)
> -
> -#define ADIS16201_MSC_CTRL_DATA_RDY_DIO1 BIT(0)
> -
> -
> -#define ADIS16201_DIAG_STAT_ALARM2 BIT(9)
> -
> -#define ADIS16201_DIAG_STAT_ALARM1 BIT(8)
> -
> -#define ADIS16201_DIAG_STAT_SPI_FAIL_BIT 3
> -
> -#define ADIS16201_DIAG_STAT_FLASH_UPT_FAIL_BIT 2
> -
> -#define ADIS16201_DIAG_STAT_POWER_HIGH_BIT 1
> -
> -#define ADIS16201_DIAG_STAT_POWER_LOW_BIT 0
> -
> -#define ADIS16201_GLOB_CMD_SW_RESET BIT(7)
> -#define ADIS16201_GLOB_CMD_FACTORY BIT(1)
> +#define ADIS16201_GLOB_CMD_REG 0x3E
> +#define ADIS16201_GLOB_CMD_SW_RESET BIT(7)
> +#define ADIS16201_GLOB_CMD_FACTORY BIT(1)
>
> -#define ADIS16201_ERROR_ACTIVE BIT(14)
> +#define ADIS16201_ERROR_ACTIVE BIT(14)
>
> enum adis16201_scan {
> ADIS16201_SCAN_ACC_X,
> @@ -101,10 +90,10 @@ enum adis16201_scan {
> };
>
> static const u8 adis16201_addresses[] = {
> - [ADIS16201_SCAN_ACC_X] = ADIS16201_XACCL_OFFS,
> - [ADIS16201_SCAN_ACC_Y] = ADIS16201_YACCL_OFFS,
> - [ADIS16201_SCAN_INCLI_X] = ADIS16201_XINCL_OFFS,
> - [ADIS16201_SCAN_INCLI_Y] = ADIS16201_YINCL_OFFS,
> + [ADIS16201_SCAN_ACC_X] = ADIS16201_XACCL_OFFS_REG,
> + [ADIS16201_SCAN_ACC_Y] = ADIS16201_YACCL_OFFS_REG,
> + [ADIS16201_SCAN_INCLI_X] = ADIS16201_XINCL_OFFS_REG,
> + [ADIS16201_SCAN_INCLI_Y] = ADIS16201_YINCL_OFFS_REG,
> };
>
> static int adis16201_read_raw(struct iio_dev *indio_dev,
> @@ -208,16 +197,16 @@ static int adis16201_write_raw(struct iio_dev *indio_dev,
> }
>
> static const struct iio_chan_spec adis16201_channels[] = {
> - ADIS_SUPPLY_CHAN(ADIS16201_SUPPLY_OUT, ADIS16201_SCAN_SUPPLY, 0, 12),
> - ADIS_TEMP_CHAN(ADIS16201_TEMP_OUT, ADIS16201_SCAN_TEMP, 0, 12),
> - ADIS_ACCEL_CHAN(X, ADIS16201_XACCL_OUT, ADIS16201_SCAN_ACC_X,
> + ADIS_SUPPLY_CHAN(ADIS16201_SUPPLY_OUT_REG, ADIS16201_SCAN_SUPPLY, 0, 12),
> + ADIS_TEMP_CHAN(ADIS16201_TEMP_OUT_REG, ADIS16201_SCAN_TEMP, 0, 12),
> + ADIS_ACCEL_CHAN(X, ADIS16201_XACCL_OUT_REG, ADIS16201_SCAN_ACC_X,
> BIT(IIO_CHAN_INFO_CALIBBIAS), 0, 14),
> - ADIS_ACCEL_CHAN(Y, ADIS16201_YACCL_OUT, ADIS16201_SCAN_ACC_Y,
> + ADIS_ACCEL_CHAN(Y, ADIS16201_YACCL_OUT_REG, ADIS16201_SCAN_ACC_Y,
> BIT(IIO_CHAN_INFO_CALIBBIAS), 0, 14),
> - ADIS_AUX_ADC_CHAN(ADIS16201_AUX_ADC, ADIS16201_SCAN_AUX_ADC, 0, 12),
> - ADIS_INCLI_CHAN(X, ADIS16201_XINCL_OUT, ADIS16201_SCAN_INCLI_X,
> + ADIS_AUX_ADC_CHAN(ADIS16201_AUX_ADC_REG, ADIS16201_SCAN_AUX_ADC, 0, 12),
> + ADIS_INCLI_CHAN(X, ADIS16201_XINCL_OUT_REG, ADIS16201_SCAN_INCLI_X,
> BIT(IIO_CHAN_INFO_CALIBBIAS), 0, 14),
> - ADIS_INCLI_CHAN(X, ADIS16201_YINCL_OUT, ADIS16201_SCAN_INCLI_Y,
> + ADIS_INCLI_CHAN(X, ADIS16201_YINCL_OUT_REG, ADIS16201_SCAN_INCLI_Y,
> BIT(IIO_CHAN_INFO_CALIBBIAS), 0, 14),
> IIO_CHAN_SOFT_TIMESTAMP(7)
> };
> @@ -237,9 +226,9 @@ static const char * const adis16201_status_error_msgs[] = {
>
> static const struct adis_data adis16201_data = {
> .read_delay = 20,
> - .msc_ctrl_reg = ADIS16201_MSC_CTRL,
> - .glob_cmd_reg = ADIS16201_GLOB_CMD,
> - .diag_stat_reg = ADIS16201_DIAG_STAT,
> + .msc_ctrl_reg = ADIS16201_MSC_CTRL_REG,
> + .glob_cmd_reg = ADIS16201_GLOB_CMD_REG,
> + .diag_stat_reg = ADIS16201_DIAG_STAT_REG,
>
> .self_test_mask = ADIS16201_MSC_CTRL_SELF_TEST_EN,
> .self_test_no_autoclear = true,
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