* [PATCH] iio: imu: st_lsm6dsx: take into account ts samples in wm configuration @ 2018-08-30 20:38 ` Lorenzo Bianconi 2018-08-31 8:44 ` Lorenzo Bianconi 2018-09-02 20:19 ` Jonathan Cameron 0 siblings, 2 replies; 6+ messages in thread From: Lorenzo Bianconi @ 2018-08-30 20:38 UTC (permalink / raw) To: jic23; +Cc: linux-iio Take into account hw timer samples in pattern length computation used in st_lsm6dsx_update_watermark routine for watermark configuration Fixes: 213451076bd3 ("iio: imu: st_lsm6dsx: add hw timestamp support") Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> --- drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c index 7589f2ad1dae..2b49d928f4c0 100644 --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c @@ -187,9 +187,10 @@ 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; + u16 sip = hw->ts_sip; int i, err, data; __le16 wdata; -- 2.18.0 ^ permalink raw reply related [flat|nested] 6+ messages in thread
* Re: [PATCH] iio: imu: st_lsm6dsx: take into account ts samples in wm configuration 2018-08-30 20:38 ` [PATCH] iio: imu: st_lsm6dsx: take into account ts samples in wm configuration Lorenzo Bianconi @ 2018-08-31 8:44 ` Lorenzo Bianconi 2018-09-02 20:19 ` Jonathan Cameron 1 sibling, 0 replies; 6+ messages in thread From: Lorenzo Bianconi @ 2018-08-31 8:44 UTC (permalink / raw) To: jic23; +Cc: linux-iio > Take into account hw timer samples in pattern length computation used > in st_lsm6dsx_update_watermark routine for watermark configuration > > Fixes: 213451076bd3 ("iio: imu: st_lsm6dsx: add hw timestamp support") > Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> > --- > drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c > index 7589f2ad1dae..2b49d928f4c0 100644 > --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c > +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c > @@ -187,9 +187,10 @@ 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; > + u16 sip = hw->ts_sip; > int i, err, data; > __le16 wdata; > > -- > 2.18.0 > Hi Jonathan, please drop this patch, I am sending a v2 for this issue. Regards, Lorenzo ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH] iio: imu: st_lsm6dsx: take into account ts samples in wm configuration 2018-08-30 20:38 ` [PATCH] iio: imu: st_lsm6dsx: take into account ts samples in wm configuration Lorenzo Bianconi 2018-08-31 8:44 ` Lorenzo Bianconi @ 2018-09-02 20:19 ` Jonathan Cameron 2018-09-03 8:48 ` Jonathan Cameron 1 sibling, 1 reply; 6+ messages in thread From: Jonathan Cameron @ 2018-09-02 20:19 UTC (permalink / raw) To: Lorenzo Bianconi; +Cc: linux-iio On Thu, 30 Aug 2018 22:38:59 +0200 Lorenzo Bianconi <lorenzo.bianconi@redhat.com> wrote: > Take into account hw timer samples in pattern length computation used > in st_lsm6dsx_update_watermark routine for watermark configuration > > Fixes: 213451076bd3 ("iio: imu: st_lsm6dsx: add hw timestamp support") > Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Applied to the fixes-togreg branch of iio.git and marked for stable. Thanks, Jonathan > --- > drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c > index 7589f2ad1dae..2b49d928f4c0 100644 > --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c > +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c > @@ -187,9 +187,10 @@ 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; > + u16 sip = hw->ts_sip; > int i, err, data; > __le16 wdata; > ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH] iio: imu: st_lsm6dsx: take into account ts samples in wm configuration 2018-09-02 20:19 ` Jonathan Cameron @ 2018-09-03 8:48 ` Jonathan Cameron 2018-09-03 11:51 ` Lorenzo Bianconi 0 siblings, 1 reply; 6+ messages in thread From: Jonathan Cameron @ 2018-09-03 8:48 UTC (permalink / raw) To: Jonathan Cameron; +Cc: Lorenzo Bianconi, linux-iio On Sun, 2 Sep 2018 21:19:42 +0100 Jonathan Cameron <jic23@kernel.org> wrote: > On Thu, 30 Aug 2018 22:38:59 +0200 > Lorenzo Bianconi <lorenzo.bianconi@redhat.com> wrote: > > > Take into account hw timer samples in pattern length computation used > > in st_lsm6dsx_update_watermark routine for watermark configuration > > > > Fixes: 213451076bd3 ("iio: imu: st_lsm6dsx: add hw timestamp support") > > Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> > Applied to the fixes-togreg branch of iio.git and marked for stable. > Oops. I actually applied V2 and replied to the wrong email. > Thanks, > > Jonathan > > > --- > > drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c | 3 ++- > > 1 file changed, 2 insertions(+), 1 deletion(-) > > > > diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c > > index 7589f2ad1dae..2b49d928f4c0 100644 > > --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c > > +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c > > @@ -187,9 +187,10 @@ 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; > > + u16 sip = hw->ts_sip; > > int i, err, data; > > __le16 wdata; > > > ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH] iio: imu: st_lsm6dsx: take into account ts samples in wm configuration 2018-09-03 8:48 ` Jonathan Cameron @ 2018-09-03 11:51 ` Lorenzo Bianconi 0 siblings, 0 replies; 6+ messages in thread From: Lorenzo Bianconi @ 2018-09-03 11:51 UTC (permalink / raw) To: Jonathan Cameron; +Cc: Jonathan Cameron, linux-iio > On Sun, 2 Sep 2018 21:19:42 +0100 > Jonathan Cameron <jic23@kernel.org> wrote: > > > On Thu, 30 Aug 2018 22:38:59 +0200 > > Lorenzo Bianconi <lorenzo.bianconi@redhat.com> wrote: > > > > > Take into account hw timer samples in pattern length computation used > > > in st_lsm6dsx_update_watermark routine for watermark configuration > > > > > > Fixes: 213451076bd3 ("iio: imu: st_lsm6dsx: add hw timestamp support") > > > Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> > > Applied to the fixes-togreg branch of iio.git and marked for stable. > > > Oops. I actually applied V2 and replied to the wrong email. > No worries, I had already double-checked :) Regards, Lorenzo ^ permalink raw reply [flat|nested] 6+ messages in thread
* [PATCH v2] iio: imu: st_lsm6dsx: take into account ts samples in wm configuration [not found] <cover.1535705166.git.lorenzo.bianconi@redhat.com> 2018-08-30 20:38 ` [PATCH] iio: imu: st_lsm6dsx: take into account ts samples in wm configuration Lorenzo Bianconi @ 2018-08-31 8:51 ` Lorenzo Bianconi 1 sibling, 0 replies; 6+ messages in thread From: Lorenzo Bianconi @ 2018-08-31 8:51 UTC (permalink / raw) To: jic23; +Cc: linux-iio Take into account hw timer samples in pattern length computation done in st_lsm6dsx_update_watermark routine for watermark configuration. Moreover use samples in pattern (sip) already computed in st_lsm6dsx_update_decimators routine Fixes: 213451076bd3 ("iio: imu: st_lsm6dsx: add hw timestamp support") Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> --- Changes since v1: - use samples in pattern already computed in st_lsm6dsx_update_decimators --- drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c | 13 ++++++------- 1 file 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 7589f2ad1dae..631360b14ca7 100644 --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c @@ -187,12 +187,15 @@ 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]); @@ -203,14 +206,10 @@ 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, -- 2.17.1 ^ permalink raw reply related [flat|nested] 6+ messages in thread
end of thread, other threads:[~2018-09-03 16:11 UTC | newest]
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[not found] <cover.1535705166.git.lorenzo.bianconi@redhat.com>
2018-08-30 20:38 ` [PATCH] iio: imu: st_lsm6dsx: take into account ts samples in wm configuration Lorenzo Bianconi
2018-08-31 8:44 ` Lorenzo Bianconi
2018-09-02 20:19 ` Jonathan Cameron
2018-09-03 8:48 ` Jonathan Cameron
2018-09-03 11:51 ` Lorenzo Bianconi
2018-08-31 8:51 ` [PATCH v2] " Lorenzo Bianconi
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