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spi: spi-mem: Move the DMA-able constraint doc to the kerneldoc header

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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>
This commit is contained in:
Boris Brezillon
2018-09-20 09:31:11 +02:00
committed by Mark Brown
parent 60489f0855
commit c949a8e8b4
1 changed files with 2 additions and 3 deletions
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5
include/linux/spi/spi-mem.h
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@@ -81,8 +81,8 @@ enum spi_mem_data_dir {
* @data.dir: direction of the transfer * @data.dir: direction of the transfer
* @data.nbytes: number of data bytes to send/receive. Can be zero if the * @data.nbytes: number of data bytes to send/receive. Can be zero if the
* operation does not involve transferring data * operation does not involve transferring data
* @data.buf.in: input buffer * @data.buf.in: input buffer (must be DMA-able)
* @data.buf.out: output buffer * @data.buf.out: output buffer (must be DMA-able)
*/ */
struct spi_mem_op { struct spi_mem_op {
struct { struct {
@@ -105,7 +105,6 @@ struct spi_mem_op {
u8 buswidth; u8 buswidth;
enum spi_mem_data_dir dir; enum spi_mem_data_dir dir;
unsigned int nbytes; unsigned int nbytes;
/* buf.{in,out} must be DMA-able. */
union { union {
void *in; void *in;
const void *out; const void *out;