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authorBoris Brezillon <boris.brezillon@bootlin.com>2018-09-20 09:31:10 +0200
committerMark Brown <broonie@kernel.org>2018-09-20 21:23:25 +0200
commit60489f085574157c343fc62a32f997fe7346a659 (patch)
treeb7e629fdbac7a3b633acdc0ab26e66dc9a23c526 /include
parentspi: rspi: Fix interrupted DMA transfers (diff)
downloadlinux-60489f085574157c343fc62a32f997fe7346a659.tar.xz
linux-60489f085574157c343fc62a32f997fe7346a659.zip
spi: spi-mem: Add missing description for data.nbytes field
Add a description for spi_mem_op.data.nbytes to the kerneldoc header. Fixes: c36ff266dc82 ("spi: Extend the core to ease integration of SPI memory controllers") Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/spi/spi-mem.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/spi/spi-mem.h b/include/linux/spi/spi-mem.h
index 62722fb7472d..0cfbb1ad8d96 100644
--- a/include/linux/spi/spi-mem.h
+++ b/include/linux/spi/spi-mem.h
@@ -79,6 +79,8 @@ enum spi_mem_data_dir {
* @dummy.buswidth: number of IO lanes used to transmit the dummy bytes
* @data.buswidth: number of IO lanes used to send/receive the data
* @data.dir: direction of the transfer
+ * @data.nbytes: number of data bytes to send/receive. Can be zero if the
+ * operation does not involve transferring data
* @data.buf.in: input buffer
* @data.buf.out: output buffer
*/