[PATCH 2/4] iio: adis16400: Drop adis_burst usage

Nuno Sá
2020-09-17T16:27:23Z

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>
---
drivers/iio/imu/adis16400.c | 32 +++++++++++++-------------------
1 file changed, 13 insertions(+), 19 deletions(-)

diff --git a/drivers/iio/imu/adis16400.c b/drivers/iio/imu/adis16400.c
index 889c8c2a19f4..421b1988c1d4 100644
--- a/drivers/iio/imu/adis16400.c
+++ b/drivers/iio/imu/adis16400.c
@@ -317,11 +317,6 @@ 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;
@@ -947,7 +942,7 @@ 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, \
@@ -973,6 +968,8 @@ 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 = {
@@ -1023,7 +1020,7 @@ 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,
@@ -1036,7 +1033,7 @@ 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,
@@ -1048,7 +1045,7 @@ 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,
@@ -1061,7 +1058,7 @@ 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,
@@ -1074,7 +1071,7 @@ 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,
@@ -1087,7 +1084,7 @@ 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,
@@ -1100,7 +1097,7 @@ 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,
@@ -1112,7 +1109,7 @@ 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,
@@ -1126,7 +1123,7 @@ 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,
@@ -1140,7 +1137,7 @@ 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),
}
};

@@ -1196,9 +1193,6 @@ 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;
--
2.28.0