From: Jonathan Cameron <jic23@kernel.org>
To: linux-iio@vger.kernel.org
Cc: lars@metafoo.de, Jonathan Cameron <jic23@kernel.org>
Subject: [PATCH 13/14] staging:iio: Add caching of scan_timestamp to the core as well as buffers.
Date: Wed, 18 Apr 2012 14:13:53 +0100 [thread overview]
Message-ID: <1334754834-13622-14-git-send-email-jic23@kernel.org> (raw)
In-Reply-To: <1334754834-13622-1-git-send-email-jic23@kernel.org>
This will be needed when multiple buffer support is added.
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
---
drivers/staging/iio/accel/adis16201_ring.c | 2 +-
drivers/staging/iio/accel/adis16203_ring.c | 2 +-
drivers/staging/iio/accel/adis16204_ring.c | 2 +-
drivers/staging/iio/accel/adis16209_ring.c | 2 +-
drivers/staging/iio/accel/adis16240_ring.c | 2 +-
drivers/staging/iio/accel/lis3l02dq_ring.c | 2 +-
drivers/staging/iio/adc/ad7192.c | 2 +-
drivers/staging/iio/adc/ad7298_ring.c | 2 +-
drivers/staging/iio/adc/ad7476_ring.c | 2 +-
drivers/staging/iio/adc/ad7606_ring.c | 5 ++---
drivers/staging/iio/adc/ad7793.c | 2 +-
drivers/staging/iio/adc/ad7887_ring.c | 2 +-
drivers/staging/iio/adc/ad799x_ring.c | 2 +-
drivers/staging/iio/adc/max1363_ring.c | 4 ++--
drivers/staging/iio/gyro/adis16260_ring.c | 2 +-
drivers/staging/iio/iio.h | 2 ++
drivers/staging/iio/iio_simple_dummy_buffer.c | 2 +-
drivers/staging/iio/industrialio-buffer.c | 1 +
drivers/staging/iio/meter/ade7758_ring.c | 2 +-
19 files changed, 22 insertions(+), 20 deletions(-)
diff --git a/drivers/staging/iio/accel/adis16201_ring.c b/drivers/staging/iio/accel/adis16201_ring.c
index 1370e32..49912e2 100644
--- a/drivers/staging/iio/accel/adis16201_ring.c
+++ b/drivers/staging/iio/accel/adis16201_ring.c
@@ -80,7 +80,7 @@ static irqreturn_t adis16201_trigger_handler(int irq, void *p)
data[i] = be16_to_cpup((__be16 *)&(st->rx[i*2]));
/* Guaranteed to be aligned with 8 byte boundary */
- if (ring->scan_timestamp)
+ if (indio_dev->scan_timestamp)
*((s64 *)(data + ((i + 3)/4)*4)) = pf->timestamp;
ring->access->store_to(ring, (u8 *)data, pf->timestamp);
diff --git a/drivers/staging/iio/accel/adis16203_ring.c b/drivers/staging/iio/accel/adis16203_ring.c
index 86f4efb..5c40f6c 100644
--- a/drivers/staging/iio/accel/adis16203_ring.c
+++ b/drivers/staging/iio/accel/adis16203_ring.c
@@ -80,7 +80,7 @@ static irqreturn_t adis16203_trigger_handler(int irq, void *p)
data[i] = be16_to_cpup((__be16 *)&(st->rx[i*2]));
/* Guaranteed to be aligned with 8 byte boundary */
- if (ring->scan_timestamp)
+ if (indio_dev->scan_timestamp)
*((s64 *)(data + ((i + 3)/4)*4)) = pf->timestamp;
ring->access->store_to(ring,
diff --git a/drivers/staging/iio/accel/adis16204_ring.c b/drivers/staging/iio/accel/adis16204_ring.c
index 34ef11f..bf5488e 100644
--- a/drivers/staging/iio/accel/adis16204_ring.c
+++ b/drivers/staging/iio/accel/adis16204_ring.c
@@ -77,7 +77,7 @@ static irqreturn_t adis16204_trigger_handler(int irq, void *p)
data[i] = be16_to_cpup((__be16 *)&(st->rx[i*2]));
/* Guaranteed to be aligned with 8 byte boundary */
- if (ring->scan_timestamp)
+ if (indio_dev->scan_timestamp)
*((s64 *)(data + ((i + 3)/4)*4)) = pf->timestamp;
ring->access->store_to(ring, (u8 *)data, pf->timestamp);
diff --git a/drivers/staging/iio/accel/adis16209_ring.c b/drivers/staging/iio/accel/adis16209_ring.c
index 1424d48..3101c53 100644
--- a/drivers/staging/iio/accel/adis16209_ring.c
+++ b/drivers/staging/iio/accel/adis16209_ring.c
@@ -77,7 +77,7 @@ static irqreturn_t adis16209_trigger_handler(int irq, void *p)
data[i] = be16_to_cpup((__be16 *)&(st->rx[i*2]));
/* Guaranteed to be aligned with 8 byte boundary */
- if (ring->scan_timestamp)
+ if (indio_dev->scan_timestamp)
*((s64 *)(data + ((i + 3)/4)*4)) = pf->timestamp;
ring->access->store_to(ring, (u8 *)data, pf->timestamp);
diff --git a/drivers/staging/iio/accel/adis16240_ring.c b/drivers/staging/iio/accel/adis16240_ring.c
index 9ff0634..c4459f7 100644
--- a/drivers/staging/iio/accel/adis16240_ring.c
+++ b/drivers/staging/iio/accel/adis16240_ring.c
@@ -75,7 +75,7 @@ static irqreturn_t adis16240_trigger_handler(int irq, void *p)
data[i] = be16_to_cpup((__be16 *)&(st->rx[i*2]));
/* Guaranteed to be aligned with 8 byte boundary */
- if (ring->scan_timestamp)
+ if (indio_dev->scan_timestamp)
*((s64 *)(data + ((i + 3)/4)*4)) = pf->timestamp;
ring->access->store_to(ring, (u8 *)data, pf->timestamp);
diff --git a/drivers/staging/iio/accel/lis3l02dq_ring.c b/drivers/staging/iio/accel/lis3l02dq_ring.c
index 3bdc102..ebd5b4d 100644
--- a/drivers/staging/iio/accel/lis3l02dq_ring.c
+++ b/drivers/staging/iio/accel/lis3l02dq_ring.c
@@ -150,7 +150,7 @@ static irqreturn_t lis3l02dq_trigger_handler(int irq, void *p)
len = lis3l02dq_get_buffer_element(indio_dev, data);
/* Guaranteed to be aligned with 8 byte boundary */
- if (buffer->scan_timestamp)
+ if (indio_dev->scan_timestamp)
*(s64 *)(((phys_addr_t)data + len
+ sizeof(s64) - 1) & ~(sizeof(s64) - 1))
= pf->timestamp;
diff --git a/drivers/staging/iio/adc/ad7192.c b/drivers/staging/iio/adc/ad7192.c
index 25ef3c3..5d31685 100644
--- a/drivers/staging/iio/adc/ad7192.c
+++ b/drivers/staging/iio/adc/ad7192.c
@@ -521,7 +521,7 @@ static irqreturn_t ad7192_trigger_handler(int irq, void *p)
indio_dev->channels[0].scan_type.realbits/8);
/* Guaranteed to be aligned with 8 byte boundary */
- if (ring->scan_timestamp)
+ if (indio_dev->scan_timestamp)
dat64[1] = pf->timestamp;
ring->access->store_to(ring, (u8 *)dat64, pf->timestamp);
diff --git a/drivers/staging/iio/adc/ad7298_ring.c b/drivers/staging/iio/adc/ad7298_ring.c
index 5c13690..538e3b3 100644
--- a/drivers/staging/iio/adc/ad7298_ring.c
+++ b/drivers/staging/iio/adc/ad7298_ring.c
@@ -92,7 +92,7 @@ static irqreturn_t ad7298_trigger_handler(int irq, void *p)
if (b_sent)
return b_sent;
- if (ring->scan_timestamp) {
+ if (indio_dev->scan_timestamp) {
time_ns = iio_get_time_ns();
memcpy((u8 *)buf + indio_dev->scan_bytes - sizeof(s64),
&time_ns, sizeof(time_ns));
diff --git a/drivers/staging/iio/adc/ad7476_ring.c b/drivers/staging/iio/adc/ad7476_ring.c
index a090bc3..8534f6b 100644
--- a/drivers/staging/iio/adc/ad7476_ring.c
+++ b/drivers/staging/iio/adc/ad7476_ring.c
@@ -40,7 +40,7 @@ static irqreturn_t ad7476_trigger_handler(int irq, void *p)
time_ns = iio_get_time_ns();
- if (indio_dev->buffer->scan_timestamp)
+ if (indio_dev->scan_timestamp)
memcpy(rxbuf + indio_dev->scan_bytes - sizeof(s64),
&time_ns, sizeof(time_ns));
diff --git a/drivers/staging/iio/adc/ad7606_ring.c b/drivers/staging/iio/adc/ad7606_ring.c
index 6cbf242..007b600 100644
--- a/drivers/staging/iio/adc/ad7606_ring.c
+++ b/drivers/staging/iio/adc/ad7606_ring.c
@@ -81,9 +81,8 @@ static void ad7606_poll_bh_to_ring(struct work_struct *work_s)
time_ns = iio_get_time_ns();
- if (ring->scan_timestamp)
- *((s64 *)(buf + ring->access->get_bytes_per_datum(ring) -
- sizeof(s64))) = time_ns;
+ if (indio_dev->scan_timestamp)
+ *((s64 *)(buf + indio_dev->scan_bytes - sizeof(s64))) = time_ns;
ring->access->store_to(indio_dev->buffer, buf, time_ns);
done:
diff --git a/drivers/staging/iio/adc/ad7793.c b/drivers/staging/iio/adc/ad7793.c
index 2aeeaa2..7f68c7c 100644
--- a/drivers/staging/iio/adc/ad7793.c
+++ b/drivers/staging/iio/adc/ad7793.c
@@ -386,7 +386,7 @@ static irqreturn_t ad7793_trigger_handler(int irq, void *p)
indio_dev->channels[0].scan_type.realbits/8);
/* Guaranteed to be aligned with 8 byte boundary */
- if (ring->scan_timestamp)
+ if (indio_dev->scan_timestamp)
dat64[1] = pf->timestamp;
ring->access->store_to(ring, (u8 *)dat64, pf->timestamp);
diff --git a/drivers/staging/iio/adc/ad7887_ring.c b/drivers/staging/iio/adc/ad7887_ring.c
index 442994e..d9f5264 100644
--- a/drivers/staging/iio/adc/ad7887_ring.c
+++ b/drivers/staging/iio/adc/ad7887_ring.c
@@ -92,7 +92,7 @@ static irqreturn_t ad7887_trigger_handler(int irq, void *p)
time_ns = iio_get_time_ns();
memcpy(buf, st->data, bytes);
- if (ring->scan_timestamp)
+ if (indio_dev->scan_timestamp)
memcpy(buf + indio_dev->scan_bytes - sizeof(s64),
&time_ns, sizeof(time_ns));
diff --git a/drivers/staging/iio/adc/ad799x_ring.c b/drivers/staging/iio/adc/ad799x_ring.c
index dfdbf92..5190e50 100644
--- a/drivers/staging/iio/adc/ad799x_ring.c
+++ b/drivers/staging/iio/adc/ad799x_ring.c
@@ -95,7 +95,7 @@ static irqreturn_t ad799x_trigger_handler(int irq, void *p)
time_ns = iio_get_time_ns();
- if (ring->scan_timestamp)
+ if (indio_dev->scan_timestamp)
memcpy(rxbuf + indio_dev->scan_bytes - sizeof(s64),
&time_ns, sizeof(time_ns));
diff --git a/drivers/staging/iio/adc/max1363_ring.c b/drivers/staging/iio/adc/max1363_ring.c
index d0a60a3..8372e98 100644
--- a/drivers/staging/iio/adc/max1363_ring.c
+++ b/drivers/staging/iio/adc/max1363_ring.c
@@ -54,7 +54,7 @@ static irqreturn_t max1363_trigger_handler(int irq, void *p)
d_size = numvals*2;
else
d_size = numvals;
- if (indio_dev->buffer->scan_timestamp) {
+ if (indio_dev->scan_timestamp) {
d_size += sizeof(s64);
if (d_size % sizeof(s64))
d_size += sizeof(s64) - (d_size % sizeof(s64));
@@ -78,7 +78,7 @@ static irqreturn_t max1363_trigger_handler(int irq, void *p)
time_ns = iio_get_time_ns();
- if (indio_dev->buffer->scan_timestamp)
+ if (indio_dev->scan_timestamp)
memcpy(rxbuf + d_size - sizeof(s64), &time_ns, sizeof(time_ns));
iio_push_to_buffer(indio_dev->buffer, rxbuf, time_ns);
diff --git a/drivers/staging/iio/gyro/adis16260_ring.c b/drivers/staging/iio/gyro/adis16260_ring.c
index 18fc73c..046f84d 100644
--- a/drivers/staging/iio/gyro/adis16260_ring.c
+++ b/drivers/staging/iio/gyro/adis16260_ring.c
@@ -80,7 +80,7 @@ static irqreturn_t adis16260_trigger_handler(int irq, void *p)
data[i] = be16_to_cpup((__be16 *)&(st->rx[i*2]));
/* Guaranteed to be aligned with 8 byte boundary */
- if (ring->scan_timestamp)
+ if (indio_dev->scan_timestamp)
*((s64 *)(data + ((i + 3)/4)*4)) = pf->timestamp;
ring->access->store_to(ring, (u8 *)data, pf->timestamp);
diff --git a/drivers/staging/iio/iio.h b/drivers/staging/iio/iio.h
index 7a10aed..0770340 100644
--- a/drivers/staging/iio/iio.h
+++ b/drivers/staging/iio/iio.h
@@ -306,6 +306,7 @@ struct iio_buffer_setup_ops {
* @masklength: [INTERN] the length of the mask established from
* channels
* @active_scan_mask: [INTERN] union of all scan masks requested by buffers
+ * @scan_timestamp: [INTERN] set if any buffers have requested timestamp
* @scan_index_timestamp:[INTERN] cache of the index to the timestamp
* @trig: [INTERN] current device trigger (buffer modes)
* @pollfunc: [DRIVER] function run on trigger being received
@@ -342,6 +343,7 @@ struct iio_dev {
const unsigned long *available_scan_masks;
unsigned masklength;
const unsigned long *active_scan_mask;
+ bool scan_timestamp;
unsigned scan_index_timestamp;
struct iio_trigger *trig;
struct iio_poll_func *pollfunc;
diff --git a/drivers/staging/iio/iio_simple_dummy_buffer.c b/drivers/staging/iio/iio_simple_dummy_buffer.c
index 61a2622..49e7aa1 100644
--- a/drivers/staging/iio/iio_simple_dummy_buffer.c
+++ b/drivers/staging/iio/iio_simple_dummy_buffer.c
@@ -84,7 +84,7 @@ static irqreturn_t iio_simple_dummy_trigger_h(int irq, void *p)
}
}
/* Store a timestampe at an 8 byte boundary */
- if (buffer->scan_timestamp)
+ if (indio_dev->scan_timestamp)
*(s64 *)(((phys_addr_t)data + len
+ sizeof(s64) - 1) & ~(sizeof(s64) - 1))
= iio_get_time_ns();
diff --git a/drivers/staging/iio/industrialio-buffer.c b/drivers/staging/iio/industrialio-buffer.c
index f6cb0ab..6c329f9 100644
--- a/drivers/staging/iio/industrialio-buffer.c
+++ b/drivers/staging/iio/industrialio-buffer.c
@@ -185,6 +185,7 @@ static ssize_t iio_scan_el_ts_store(struct device *dev,
goto error_ret;
}
indio_dev->buffer->scan_timestamp = state;
+ indio_dev->scan_timestamp = state;
error_ret:
mutex_unlock(&indio_dev->mlock);
diff --git a/drivers/staging/iio/meter/ade7758_ring.c b/drivers/staging/iio/meter/ade7758_ring.c
index 3dfd788..b37bc98 100644
--- a/drivers/staging/iio/meter/ade7758_ring.c
+++ b/drivers/staging/iio/meter/ade7758_ring.c
@@ -72,7 +72,7 @@ static irqreturn_t ade7758_trigger_handler(int irq, void *p)
*dat32 = get_unaligned_be32(&st->rx_buf[5]) & 0xFFFFFF;
/* Guaranteed to be aligned with 8 byte boundary */
- if (ring->scan_timestamp)
+ if (indio_dev->scan_timestamp)
dat64[1] = pf->timestamp;
ring->access->store_to(ring, (u8 *)dat64, pf->timestamp);
--
1.7.0.4
next prev parent reply other threads:[~2012-04-18 13:14 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-18 13:13 [PATCH 00/14] Staging:iio: Cleanup and refactor pre multibuffer Jonathan Cameron
2012-04-18 13:13 ` [PATCH 01/14] staging:iio:buffer trivial use of strtobool to remove dodgy equivalent Jonathan Cameron
2012-04-18 13:13 ` [PATCH 02/14] staging:iio:buffer: pull computation of scan length into a utility function Jonathan Cameron
2012-04-18 13:13 ` [PATCH 03/14] staging:iio: scan_index_timestamp move to iio_dev from buffer Jonathan Cameron
2012-04-18 13:13 ` [PATCH 04/14] staging:iio: add caching of the number of bytes in a scan Jonathan Cameron
[not found] ` <4F91944F.3070701@metafoo.de>
2012-04-20 17:02 ` Jonathan Cameron
2012-04-18 13:13 ` [PATCH 05/14] staging:iio:adc:ad7192 make use of iio_sw_buffer_preenable Jonathan Cameron
2012-04-18 13:13 ` [PATCH 06/14] staging:iio:adc:ad7298 use iio_sw_buffer_preenable to avoid code repitition Jonathan Cameron
2012-04-18 13:13 ` [PATCH 07/14] staging:iio:adc:ad7476 use iio_sw_buffer_preenable instead of local version Jonathan Cameron
2012-04-18 13:13 ` [PATCH 08/14] staging:iio:adc:ad7793 use iio_sw_buffer_preenable to avoid repitition Jonathan Cameron
2012-04-18 13:13 ` [PATCH 09/14] staging:iio:adc:ad7887 make use of iio_sw_buffer_preenable Jonathan Cameron
2012-04-18 13:13 ` [PATCH 10/14] staging:iio:adc:ad799x use iio_sw_buffer_preenable to avoid code repitiion Jonathan Cameron
2012-04-18 13:13 ` [PATCH 11/14] staging:iio:meter:ad7758 use iio_sw_buffer_preenable to avoid code repition Jonathan Cameron
2012-04-18 13:13 ` [PATCH 12/14] staging:iio:impedance-analyser make use of iio_sw_buffer_preenable Jonathan Cameron
2012-04-18 13:13 ` Jonathan Cameron [this message]
2012-04-18 13:13 ` [PATCH 14/14] staging:iio: pull out demux cleanup for a particular buffer Jonathan Cameron
[not found] ` <4F919648.2070503@metafoo.de>
2012-04-21 9:10 ` [PATCH 00/14] Staging:iio: Cleanup and refactor pre multibuffer Jonathan Cameron
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1334754834-13622-14-git-send-email-jic23@kernel.org \
--to=jic23@kernel.org \
--cc=lars@metafoo.de \
--cc=linux-iio@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).