[PATCH 2/3] spi: spi-mem: Move the DMA-able constraint doc to the kerneldoc header

[Boris Brezillon <boris.brezillon@xxxxxxxxxxx>]

We'd better have that documented in the kerneldoc header, so that it's
exposed to the doc generated by Sphinx.

Signed-off-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxx>
---
 include/linux/spi/spi-mem.h | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/include/linux/spi/spi-mem.h b/include/linux/spi/spi-mem.h
index aeb87c02cf1d..69ee30456864 100644
--- a/include/linux/spi/spi-mem.h
+++ b/include/linux/spi/spi-mem.h
@@ -83,8 +83,8 @@ enum spi_mem_data_dir {
  * @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
+ * @data.buf.in: input buffer (must be DMA-able)
+ * @data.buf.out: output buffer (must be DMA-able)
  */
 struct spi_mem_op {
 	struct {
@@ -107,7 +107,6 @@ struct spi_mem_op {
 		u8 buswidth;
 		enum spi_mem_data_dir dir;
 		unsigned int nbytes;
-		/* buf.{in,out} must be DMA-able. */
 		union {
 			void *in;
 			const void *out;
-- 
2.14.1


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