From f019190b7d2708baec0732c5e915923430eab8dc Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Mon, 16 Mar 2020 17:42:49 +0100 Subject: drm/mipi-dbi: Make mipi_dbi_command_stackbuf() data parameter const MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit mipi_dbi_command_stackbuf() copies the passed buffer data, so it can be const. Signed-off-by: Geert Uytterhoeven Reviewed-by: Noralf Trønnes Signed-off-by: Sam Ravnborg Link: https://patchwork.freedesktop.org/patch/msgid/20200316164249.6234-1-geert+renesas@glider.be --- include/drm/drm_mipi_dbi.h | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'include/drm/drm_mipi_dbi.h') diff --git a/include/drm/drm_mipi_dbi.h b/include/drm/drm_mipi_dbi.h index 30ebdfd8a51f..0ef004001775 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)); \ }) -- cgit v1.2.3-59-g8ed1b