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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-09-16 22:04:13 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-09-16 22:04:13 +0200
commit7dc074348eb85d48f7a1fa96879458f4becf68a7 (patch)
treeaf626c941574ea68f7d74da04d81e302fbc14a68 /drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c
parentMAINTAINERS: remove myself as staging FBTFT maintainer (diff)
parentLinux 4.19-rc4 (diff)
downloadlinux-dev-7dc074348eb85d48f7a1fa96879458f4becf68a7.tar.xz
linux-dev-7dc074348eb85d48f7a1fa96879458f4becf68a7.zip
Merge 4.19-rc4 into staging-next
Handle the merge issues and take the iio and staging driver fixes. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c')
-rw-r--r--drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c
index 61f2c5777295..b5263fc522ca 100644
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c
@@ -221,12 +221,15 @@ static int st_lsm6dsx_set_fifo_odr(struct st_lsm6dsx_sensor *sensor,
int st_lsm6dsx_update_watermark(struct st_lsm6dsx_sensor *sensor, u16 watermark)
{
- u16 fifo_watermark = ~0, cur_watermark, sip = 0, fifo_th_mask;
+ u16 fifo_watermark = ~0, cur_watermark, fifo_th_mask;
struct st_lsm6dsx_hw *hw = sensor->hw;
struct st_lsm6dsx_sensor *cur_sensor;
int i, err, data;
__le16 wdata;
+ if (!hw->sip)
+ return 0;
+
for (i = 0; i < ST_LSM6DSX_ID_MAX; i++) {
cur_sensor = iio_priv(hw->iio_devs[i]);
@@ -237,14 +240,10 @@ int st_lsm6dsx_update_watermark(struct st_lsm6dsx_sensor *sensor, u16 watermark)
: cur_sensor->watermark;
fifo_watermark = min_t(u16, fifo_watermark, cur_watermark);
- sip += cur_sensor->sip;
}
- if (!sip)
- return 0;
-
- fifo_watermark = max_t(u16, fifo_watermark, sip);
- fifo_watermark = (fifo_watermark / sip) * sip;
+ fifo_watermark = max_t(u16, fifo_watermark, hw->sip);
+ fifo_watermark = (fifo_watermark / hw->sip) * hw->sip;
fifo_watermark = fifo_watermark * hw->settings->fifo_ops.th_wl;
err = regmap_read(hw->regmap, hw->settings->fifo_ops.fifo_th.addr + 1,