From: Boris Brezillon <boris.brezillon@bootlin.com>
Date: Thu, 20 Sep 2018 09:31:11 +0200
Subject: spi: spi-mem: Move the DMA-able constraint doc to the kerneldoc
header
Git-commit: c949a8e8b43f2c75567269bcc9a50d704ae3c420
Patch-mainline: v4.19-rc6
References: fate#326572
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@bootlin.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@suse.com>
---
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 0cfbb1ad8d96..7195fbc234aa 100644
--- a/include/linux/spi/spi-mem.h
+++ b/include/linux/spi/spi-mem.h
@@ -81,8 +81,8 @@ 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 {
@@ -105,7 +105,6 @@ 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;
--
2.11.0