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authorMauro Carvalho Chehab <mchehab@redhat.com>2012-03-27 11:32:29 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-03-27 11:32:29 -0300
commit50953e0640b3473dcb409d5d0d938c2742c93b0d (patch)
tree3b0dc374e61564fbbd8adff92c8fae16fdeb423a /drivers/staging/iio/ring_sw.c
parentf92c97c8bd77992ff8bd6ef29a23dc82dca799cb (diff)
parent626cf236608505d376e4799adb4f7eb00a8594af (diff)
downloadop-kernel-dev-50953e0640b3473dcb409d5d0d938c2742c93b0d.zip
op-kernel-dev-50953e0640b3473dcb409d5d0d938c2742c93b0d.tar.gz
Merge branch 'poll' into staging/for_v3.4
* poll: (5970 commits) poll: add poll_requested_events() and poll_does_not_wait() functions crc32: select an algorithm via Kconfig crc32: add self-test code for crc32c crypto: crc32c should use library implementation crc32: bolt on crc32c crc32: add note about this patchset to crc32.c crc32: optimize loop counter for x86 crc32: add slice-by-8 algorithm to existing code crc32: make CRC_*_BITS definition correspond to actual bit counts crc32: fix mixing of endian-specific types crc32: miscellaneous cleanups crc32: simplify unit test code crc32: move long comment about crc32 fundamentals to Documentation/ crc32: remove two instances of trailing whitespaces checkpatch: check for quoted strings broken across lines checkpatch: whitespace - add/remove blank lines checkpatch: warn on use of yield() checkpatch: add --strict tests for braces, comments and casts checkpatch: add [] to type extensions checkpatch: high precedence operators do not require additional parentheses in #defines ...
Diffstat (limited to 'drivers/staging/iio/ring_sw.c')
-rw-r--r--drivers/staging/iio/ring_sw.c26
1 files changed, 13 insertions, 13 deletions
diff --git a/drivers/staging/iio/ring_sw.c b/drivers/staging/iio/ring_sw.c
index 3e24ec4..b9945ec 100644
--- a/drivers/staging/iio/ring_sw.c
+++ b/drivers/staging/iio/ring_sw.c
@@ -147,7 +147,7 @@ static int iio_read_first_n_sw_rb(struct iio_buffer *r,
size_t data_available, buffer_size;
/* A userspace program has probably made an error if it tries to
- * read something that is not a whole number of bpds.
+ * read something that is not a whole number of bpds.
* Return an error.
*/
if (n % ring->buf.bytes_per_datum) {
@@ -229,7 +229,7 @@ static int iio_read_first_n_sw_rb(struct iio_buffer *r,
/* setup the next read position */
/* Beware, this may fail due to concurrency fun and games.
- * Possible that sufficient fill commands have run to push the read
+ * Possible that sufficient fill commands have run to push the read
* pointer past where we would be after the rip. If this occurs, leave
* it be.
*/
@@ -329,6 +329,16 @@ static struct attribute_group iio_ring_attribute_group = {
.name = "buffer",
};
+static const struct iio_buffer_access_funcs ring_sw_access_funcs = {
+ .store_to = &iio_store_to_sw_rb,
+ .read_first_n = &iio_read_first_n_sw_rb,
+ .request_update = &iio_request_update_sw_rb,
+ .get_bytes_per_datum = &iio_get_bytes_per_datum_sw_rb,
+ .set_bytes_per_datum = &iio_set_bytes_per_datum_sw_rb,
+ .get_length = &iio_get_length_sw_rb,
+ .set_length = &iio_set_length_sw_rb,
+};
+
struct iio_buffer *iio_sw_rb_allocate(struct iio_dev *indio_dev)
{
struct iio_buffer *buf;
@@ -341,6 +351,7 @@ struct iio_buffer *iio_sw_rb_allocate(struct iio_dev *indio_dev)
buf = &ring->buf;
iio_buffer_init(buf);
buf->attrs = &iio_ring_attribute_group;
+ buf->access = &ring_sw_access_funcs;
return buf;
}
@@ -352,16 +363,5 @@ void iio_sw_rb_free(struct iio_buffer *r)
}
EXPORT_SYMBOL(iio_sw_rb_free);
-const struct iio_buffer_access_funcs ring_sw_access_funcs = {
- .store_to = &iio_store_to_sw_rb,
- .read_first_n = &iio_read_first_n_sw_rb,
- .request_update = &iio_request_update_sw_rb,
- .get_bytes_per_datum = &iio_get_bytes_per_datum_sw_rb,
- .set_bytes_per_datum = &iio_set_bytes_per_datum_sw_rb,
- .get_length = &iio_get_length_sw_rb,
- .set_length = &iio_set_length_sw_rb,
-};
-EXPORT_SYMBOL(ring_sw_access_funcs);
-
MODULE_DESCRIPTION("Industrialio I/O software ring buffer");
MODULE_LICENSE("GPL");
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