iio: adis16400: Drop adis_burst usage

Burst mode variables are now part of the `adis_data` struct. The driver
also has now to explicitly define the length of the burst buffer.

Signed-off-by: Nuno Sá <nuno.sa@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/20200917155223.218500-3-nuno.sa@analog.com

diff --git a/drivers/iio/imu/adis16400.c b/drivers/iio/imu/adis16400.c
index 73433f7..54af2ed 100644 (file)
--- a/drivers/iio/imu/adis16400.c
+++ b/drivers/iio/imu/adis16400.c
@@ -319,11 +319,6 @@ enum adis16400_chip_variant {
        ADIS16448,
 };
 
-static struct adis_burst adis16400_burst = {
-       .en = true,
-       .reg_cmd = ADIS16400_GLOB_CMD,
-};
-
 static int adis16334_get_freq(struct adis16400_state *st)
 {
        int ret;
@@ -949,7 +944,7 @@ static const char * const adis16400_status_error_msgs[] = {
        [ADIS16400_DIAG_STAT_POWER_LOW] = "Power supply below 4.75V",
 };
 
-#define ADIS16400_DATA(_timeouts)                                      \
+#define ADIS16400_DATA(_timeouts, _burst_len)                          \
 {                                                                      \
        .msc_ctrl_reg = ADIS16400_MSC_CTRL,                             \
        .glob_cmd_reg = ADIS16400_GLOB_CMD,                             \
@@ -975,6 +970,8 @@ static const char * const adis16400_status_error_msgs[] = {
                BIT(ADIS16400_DIAG_STAT_POWER_HIGH) |                   \
                BIT(ADIS16400_DIAG_STAT_POWER_LOW),                     \
        .timeouts = (_timeouts),                                        \
+       .burst_reg_cmd = ADIS16400_GLOB_CMD,                            \
+       .burst_len = (_burst_len)                                       \
 }
 
 static const struct adis_timeout adis16300_timeouts = {
@@ -1025,7 +1022,7 @@ static struct adis16400_chip_info adis16400_chips[] = {
                .temp_offset = 25000000 / 140000, /* 25 C = 0x00 */
                .set_freq = adis16400_set_freq,
                .get_freq = adis16400_get_freq,
-               .adis_data = ADIS16400_DATA(&adis16300_timeouts),
+               .adis_data = ADIS16400_DATA(&adis16300_timeouts, 18),
        },
        [ADIS16334] = {
                .channels = adis16334_channels,
@@ -1038,7 +1035,7 @@ static struct adis16400_chip_info adis16400_chips[] = {
                .temp_offset = 25000000 / 67850, /* 25 C = 0x00 */
                .set_freq = adis16334_set_freq,
                .get_freq = adis16334_get_freq,
-               .adis_data = ADIS16400_DATA(&adis16334_timeouts),
+               .adis_data = ADIS16400_DATA(&adis16334_timeouts, 0),
        },
        [ADIS16350] = {
                .channels = adis16350_channels,
@@ -1050,7 +1047,7 @@ static struct adis16400_chip_info adis16400_chips[] = {
                .flags = ADIS16400_NO_BURST | ADIS16400_HAS_SLOW_MODE,
                .set_freq = adis16400_set_freq,
                .get_freq = adis16400_get_freq,
-               .adis_data = ADIS16400_DATA(&adis16300_timeouts),
+               .adis_data = ADIS16400_DATA(&adis16300_timeouts, 0),
        },
        [ADIS16360] = {
                .channels = adis16350_channels,
@@ -1063,7 +1060,7 @@ static struct adis16400_chip_info adis16400_chips[] = {
                .temp_offset = 25000000 / 136000, /* 25 C = 0x00 */
                .set_freq = adis16400_set_freq,
                .get_freq = adis16400_get_freq,
-               .adis_data = ADIS16400_DATA(&adis16300_timeouts),
+               .adis_data = ADIS16400_DATA(&adis16300_timeouts, 28),
        },
        [ADIS16362] = {
                .channels = adis16350_channels,
@@ -1076,7 +1073,7 @@ static struct adis16400_chip_info adis16400_chips[] = {
                .temp_offset = 25000000 / 136000, /* 25 C = 0x00 */
                .set_freq = adis16400_set_freq,
                .get_freq = adis16400_get_freq,
-               .adis_data = ADIS16400_DATA(&adis16362_timeouts),
+               .adis_data = ADIS16400_DATA(&adis16362_timeouts, 28),
        },
        [ADIS16364] = {
                .channels = adis16350_channels,
@@ -1089,7 +1086,7 @@ static struct adis16400_chip_info adis16400_chips[] = {
                .temp_offset = 25000000 / 136000, /* 25 C = 0x00 */
                .set_freq = adis16400_set_freq,
                .get_freq = adis16400_get_freq,
-               .adis_data = ADIS16400_DATA(&adis16362_timeouts),
+               .adis_data = ADIS16400_DATA(&adis16362_timeouts, 28),
        },
        [ADIS16367] = {
                .channels = adis16350_channels,
@@ -1102,7 +1099,7 @@ static struct adis16400_chip_info adis16400_chips[] = {
                .temp_offset = 25000000 / 136000, /* 25 C = 0x00 */
                .set_freq = adis16400_set_freq,
                .get_freq = adis16400_get_freq,
-               .adis_data = ADIS16400_DATA(&adis16300_timeouts),
+               .adis_data = ADIS16400_DATA(&adis16300_timeouts, 28),
        },
        [ADIS16400] = {
                .channels = adis16400_channels,
@@ -1114,7 +1111,7 @@ static struct adis16400_chip_info adis16400_chips[] = {
                .temp_offset = 25000000 / 140000, /* 25 C = 0x00 */
                .set_freq = adis16400_set_freq,
                .get_freq = adis16400_get_freq,
-               .adis_data = ADIS16400_DATA(&adis16400_timeouts),
+               .adis_data = ADIS16400_DATA(&adis16400_timeouts, 24),
        },
        [ADIS16445] = {
                .channels = adis16445_channels,
@@ -1128,7 +1125,7 @@ static struct adis16400_chip_info adis16400_chips[] = {
                .temp_offset = 31000000 / 73860, /* 31 C = 0x00 */
                .set_freq = adis16334_set_freq,
                .get_freq = adis16334_get_freq,
-               .adis_data = ADIS16400_DATA(&adis16445_timeouts),
+               .adis_data = ADIS16400_DATA(&adis16445_timeouts, 16),
        },
        [ADIS16448] = {
                .channels = adis16448_channels,
@@ -1142,7 +1139,7 @@ static struct adis16400_chip_info adis16400_chips[] = {
                .temp_offset = 31000000 / 73860, /* 31 C = 0x00 */
                .set_freq = adis16334_set_freq,
                .get_freq = adis16334_get_freq,
-               .adis_data = ADIS16400_DATA(&adis16448_timeouts),
+               .adis_data = ADIS16400_DATA(&adis16448_timeouts, 24),
        }
 };
 
@@ -1198,9 +1195,6 @@ static int adis16400_probe(struct spi_device *spi)
        if (!(st->variant->flags & ADIS16400_NO_BURST)) {
                adis16400_setup_chan_mask(st);
                indio_dev->available_scan_masks = st->avail_scan_mask;
-               st->adis.burst = &adis16400_burst;
-               if (st->variant->flags & ADIS16400_BURST_DIAG_STAT)
-                       st->adis.burst_extra_len = sizeof(u16);
        }
 
        adis16400_data = &st->variant->adis_data;