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authorJani Nikula <jani.nikula@intel.com>2015-01-16 14:27:21 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2015-01-23 16:28:21 +0100
commitf4adf1d635de7dbacb8acc2dfe51ae8d0fcec18f (patch)
tree15f6e2ef3cbca850e20b2e7e903ce05b1b43bb95
parent5fb33a105cec07cdb25914b4ffa664412aea320e (diff)
drm/i915/dsi: add some constness to vbt panel driver
Const is good for you. No functional changes. Signed-off-by: Jani Nikula <jani.nikula@intel.com> Reviewed-By: Shobhit Kumar <shobhit.kumar@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
-rw-r--r--drivers/gpu/drm/i915/intel_dsi_panel_vbt.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
index b0e7327a485f..561ec2981dfd 100644
--- a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
+++ b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
@@ -99,7 +99,8 @@ static inline enum port intel_dsi_seq_port_to_port(u8 port)
return port ? PORT_C : PORT_A;
}
-static u8 *mipi_exec_send_packet(struct intel_dsi *intel_dsi, u8 *data)
+static const u8 *mipi_exec_send_packet(struct intel_dsi *intel_dsi,
+ const u8 *data)
{
u8 type, byte, mode, vc, seq_port;
u16 len;
@@ -165,9 +166,9 @@ static u8 *mipi_exec_send_packet(struct intel_dsi *intel_dsi, u8 *data)
return data;
}
-static u8 *mipi_exec_delay(struct intel_dsi *intel_dsi, u8 *data)
+static const u8 *mipi_exec_delay(struct intel_dsi *intel_dsi, const u8 *data)
{
- u32 delay = *((u32 *) data);
+ u32 delay = *((const u32 *) data);
usleep_range(delay, delay + 10);
data += 4;
@@ -175,7 +176,7 @@ static u8 *mipi_exec_delay(struct intel_dsi *intel_dsi, u8 *data)
return data;
}
-static u8 *mipi_exec_gpio(struct intel_dsi *intel_dsi, u8 *data)
+static const u8 *mipi_exec_gpio(struct intel_dsi *intel_dsi, const u8 *data)
{
u8 gpio, action;
u16 function, pad;
@@ -208,7 +209,8 @@ static u8 *mipi_exec_gpio(struct intel_dsi *intel_dsi, u8 *data)
return data;
}
-typedef u8 * (*fn_mipi_elem_exec)(struct intel_dsi *intel_dsi, u8 *data);
+typedef const u8 * (*fn_mipi_elem_exec)(struct intel_dsi *intel_dsi,
+ const u8 *data);
static const fn_mipi_elem_exec exec_elem[] = {
NULL, /* reserved */
mipi_exec_send_packet,
@@ -232,13 +234,12 @@ static const char * const seq_name[] = {
"MIPI_SEQ_DEASSERT_RESET"
};
-static void generic_exec_sequence(struct intel_dsi *intel_dsi, char *sequence)
+static void generic_exec_sequence(struct intel_dsi *intel_dsi, const u8 *data)
{
- u8 *data = sequence;
fn_mipi_elem_exec mipi_elem_exec;
int index;
- if (!sequence)
+ if (!data)
return;
DRM_DEBUG_DRIVER("Starting MIPI sequence - %s\n", seq_name[*data]);