The write buffers are not modified, so they can be constant.
Signed-off-by: Sebastian Reichel sebastian.reichel@collabora.com --- drivers/gpu/drm/omapdrm/dss/dsi.c | 24 ++++++++++++------------ drivers/gpu/drm/omapdrm/dss/omapdss.h | 10 +++++----- 2 files changed, 17 insertions(+), 17 deletions(-)
diff --git a/drivers/gpu/drm/omapdrm/dss/dsi.c b/drivers/gpu/drm/omapdrm/dss/dsi.c index fa81fbf3442e..bf6131e5fa14 100644 --- a/drivers/gpu/drm/omapdrm/dss/dsi.c +++ b/drivers/gpu/drm/omapdrm/dss/dsi.c @@ -2601,11 +2601,11 @@ static inline void dsi_vc_write_long_payload(struct dsi_data *dsi, int channel, }
static int dsi_vc_send_long(struct dsi_data *dsi, int channel, u8 data_type, - u8 *data, u16 len, u8 ecc) + const u8 *data, u16 len, u8 ecc) { /*u32 val; */ int i; - u8 *p; + const u8 *p; int r = 0; u8 b1, b2, b3, b4;
@@ -2698,7 +2698,7 @@ static int dsi_vc_send_null(struct dsi_data *dsi, int channel) }
static int dsi_vc_write_nosync_common(struct dsi_data *dsi, int channel, - u8 *data, int len, + const u8 *data, int len, enum dss_dsi_content_type type) { int r; @@ -2729,7 +2729,7 @@ static int dsi_vc_write_nosync_common(struct dsi_data *dsi, int channel, }
static int dsi_vc_dcs_write_nosync(struct omap_dss_device *dssdev, int channel, - u8 *data, int len) + const u8 *data, int len) { struct dsi_data *dsi = to_dsi_data(dssdev);
@@ -2738,7 +2738,7 @@ static int dsi_vc_dcs_write_nosync(struct omap_dss_device *dssdev, int channel, }
static int dsi_vc_generic_write_nosync(struct omap_dss_device *dssdev, int channel, - u8 *data, int len) + const u8 *data, int len) { struct dsi_data *dsi = to_dsi_data(dssdev);
@@ -2747,7 +2747,7 @@ static int dsi_vc_generic_write_nosync(struct omap_dss_device *dssdev, int chann }
static int dsi_vc_write_common(struct omap_dss_device *dssdev, - int channel, u8 *data, int len, + int channel, const u8 *data, int len, enum dss_dsi_content_type type) { struct dsi_data *dsi = to_dsi_data(dssdev); @@ -2776,15 +2776,15 @@ static int dsi_vc_write_common(struct omap_dss_device *dssdev, return r; }
-static int dsi_vc_dcs_write(struct omap_dss_device *dssdev, int channel, u8 *data, - int len) +static int dsi_vc_dcs_write(struct omap_dss_device *dssdev, int channel, + const u8 *data, int len) { return dsi_vc_write_common(dssdev, channel, data, len, DSS_DSI_CONTENT_DCS); }
-static int dsi_vc_generic_write(struct omap_dss_device *dssdev, int channel, u8 *data, - int len) +static int dsi_vc_generic_write(struct omap_dss_device *dssdev, int channel, + const u8 *data, int len) { return dsi_vc_write_common(dssdev, channel, data, len, DSS_DSI_CONTENT_GENERIC); @@ -2810,7 +2810,7 @@ static int dsi_vc_dcs_send_read_request(struct dsi_data *dsi, int channel, }
static int dsi_vc_generic_send_read_request(struct dsi_data *dsi, int channel, - u8 *reqdata, int reqlen) + const u8 *reqdata, int reqlen) { u16 data; u8 data_type; @@ -2983,7 +2983,7 @@ static int dsi_vc_dcs_read(struct omap_dss_device *dssdev, int channel, u8 dcs_c }
static int dsi_vc_generic_read(struct omap_dss_device *dssdev, int channel, - u8 *reqdata, int reqlen, u8 *buf, int buflen) + const u8 *reqdata, int reqlen, u8 *buf, int buflen) { struct dsi_data *dsi = to_dsi_data(dssdev); int r; diff --git a/drivers/gpu/drm/omapdrm/dss/omapdss.h b/drivers/gpu/drm/omapdrm/dss/omapdss.h index 6dd08d096eed..ae1a4600dab2 100644 --- a/drivers/gpu/drm/omapdrm/dss/omapdss.h +++ b/drivers/gpu/drm/omapdrm/dss/omapdss.h @@ -315,18 +315,18 @@ struct omapdss_dsi_ops {
/* data transfer */ int (*dcs_write)(struct omap_dss_device *dssdev, int channel, - u8 *data, int len); + const u8 *data, int len); int (*dcs_write_nosync)(struct omap_dss_device *dssdev, int channel, - u8 *data, int len); + const u8 *data, int len); int (*dcs_read)(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd, u8 *data, int len);
int (*gen_write)(struct omap_dss_device *dssdev, int channel, - u8 *data, int len); + const u8 *data, int len); int (*gen_write_nosync)(struct omap_dss_device *dssdev, int channel, - u8 *data, int len); + const u8 *data, int len); int (*gen_read)(struct omap_dss_device *dssdev, int channel, - u8 *reqdata, int reqlen, + const u8 *reqdata, int reqlen, u8 *data, int len);
int (*bta_sync)(struct omap_dss_device *dssdev, int channel);