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author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-03-27 11:32:29 -0300 |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-03-27 11:32:29 -0300 |
commit | 50953e0640b3473dcb409d5d0d938c2742c93b0d (patch) | |
tree | 3b0dc374e61564fbbd8adff92c8fae16fdeb423a /drivers/staging/iio/ring_sw.c | |
parent | f92c97c8bd77992ff8bd6ef29a23dc82dca799cb (diff) | |
parent | 626cf236608505d376e4799adb4f7eb00a8594af (diff) | |
download | op-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.c | 26 |
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"); |