Den 20.03.2020 13.28, skrev Sam Ravnborg:
Hi Noralf.
On Mon, Mar 16, 2020 at 05:42:49PM +0100, Geert Uytterhoeven wrote:
mipi_dbi_command_stackbuf() copies the passed buffer data, so it can be const.
Signed-off-by: Geert Uytterhoeven geert+renesas@glider.be
OK to merge? Looks good to me and build did not break.
Sure, I planned to look at it this weekend, but if you can apply it, great.
Reviewed-by: Noralf Trønnes noralf@tronnes.org
Noralf.
Sam
drivers/gpu/drm/drm_mipi_dbi.c | 3 ++- include/drm/drm_mipi_dbi.h | 5 +++-- 2 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/drm_mipi_dbi.c b/drivers/gpu/drm/drm_mipi_dbi.c index 558baf989f5a8432..89e911ccea06cf99 100644 --- a/drivers/gpu/drm/drm_mipi_dbi.c +++ b/drivers/gpu/drm/drm_mipi_dbi.c @@ -169,7 +169,8 @@ int mipi_dbi_command_buf(struct mipi_dbi *dbi, u8 cmd, u8 *data, size_t len) EXPORT_SYMBOL(mipi_dbi_command_buf);
/* This should only be used by mipi_dbi_command() */ -int mipi_dbi_command_stackbuf(struct mipi_dbi *dbi, u8 cmd, u8 *data, size_t len) +int mipi_dbi_command_stackbuf(struct mipi_dbi *dbi, u8 cmd, const u8 *data,
size_t len){ u8 *buf; int ret; diff --git a/include/drm/drm_mipi_dbi.h b/include/drm/drm_mipi_dbi.h index 33f325f5af2b921f..9333b9086c30bd3c 100644 --- a/include/drm/drm_mipi_dbi.h +++ b/include/drm/drm_mipi_dbi.h @@ -170,7 +170,8 @@ int mipi_dbi_spi_transfer(struct spi_device *spi, u32 speed_hz,
int mipi_dbi_command_read(struct mipi_dbi *dbi, u8 cmd, u8 *val); int mipi_dbi_command_buf(struct mipi_dbi *dbi, u8 cmd, u8 *data, size_t len); -int mipi_dbi_command_stackbuf(struct mipi_dbi *dbi, u8 cmd, u8 *data, size_t len); +int mipi_dbi_command_stackbuf(struct mipi_dbi *dbi, u8 cmd, const u8 *data,
size_t len);int mipi_dbi_buf_copy(void *dst, struct drm_framebuffer *fb, struct drm_rect *clip, bool swap); /** @@ -187,7 +188,7 @@ int mipi_dbi_buf_copy(void *dst, struct drm_framebuffer *fb, */ #define mipi_dbi_command(dbi, cmd, seq...) \ ({ \
- u8 d[] = { seq }; \
- const u8 d[] = { seq }; \ mipi_dbi_command_stackbuf(dbi, cmd, d, ARRAY_SIZE(d)); \
})
-- 2.17.1
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