Remove redundant 'return;' statements at the end of void functions
in ia_css_debug.c. Void functions do not need an explicit return
statement at the end.

Found with checkpatch.pl --strict.

Signed-off-by: Tomasz Unger <tomasz.unger@yahoo.pl>
---
 .../staging/media/atomisp/pci/runtime/debug/src/ia_css_debug.c    | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/drivers/staging/media/atomisp/pci/runtime/debug/src/ia_css_debug.c b/drivers/staging/media/atomisp/pci/runtime/debug/src/ia_css_debug.c
index b411ca2f415e..2e0a13938d89 100644
--- a/drivers/staging/media/atomisp/pci/runtime/debug/src/ia_css_debug.c
+++ b/drivers/staging/media/atomisp/pci/runtime/debug/src/ia_css_debug.c
@@ -136,7 +136,6 @@ void ia_css_debug_dtrace(unsigned int level, const char *fmt, ...)
 void ia_css_debug_set_dtrace_level(const unsigned int trace_level)
 {
 	dbg_level = trace_level;
-	return;
 }
 
 unsigned int ia_css_debug_get_dtrace_level(void)
@@ -315,7 +314,6 @@ static void debug_print_fifo_channel_state(const fifo_channel_state_t *state,
 			    state->fifo_valid);
 	ia_css_debug_dtrace(2, "\t%-32s: %d\n", "sink accept",
 			    state->sink_accept);
-	return;
 }
 
 void ia_css_debug_dump_pif_a_isp_fifo_state(void)
@@ -364,7 +362,6 @@ void ia_css_debug_dump_all_fifo_state(void)
 	for (i = 0; i < N_FIFO_CHANNEL; i++)
 		debug_print_fifo_channel_state(&state.fifo_channels[i],
 					       "squepfstqkt");
-	return;
 }
 
 static void debug_binary_info_print(const struct ia_css_binary_xinfo *info)
@@ -386,7 +383,6 @@ static void debug_binary_info_print(const struct ia_css_binary_xinfo *info)
 	ia_css_debug_dtrace(2, "enable_uds = %d\n", info->sp.enable.uds);
 	ia_css_debug_dtrace(2, "enable ds = %d\n", info->sp.enable.ds);
 	ia_css_debug_dtrace(2, "s3atbl_use_dmem = %d\n", info->sp.s3a.s3atbl_use_dmem);
-	return;
 }
 
 void ia_css_debug_binary_print(const struct ia_css_binary *bi)
@@ -441,7 +437,6 @@ void ia_css_debug_binary_print(const struct ia_css_binary *bi)
 			    bi->sctbl_width_per_color);
 	ia_css_debug_dtrace(2, "s3atbl_width = %d\n", bi->s3atbl_width);
 	ia_css_debug_dtrace(2, "s3atbl_height = %d\n", bi->s3atbl_height);
-	return;
 }
 
 void ia_css_debug_frame_print(const struct ia_css_frame *frame,
@@ -526,7 +521,6 @@ void ia_css_debug_frame_print(const struct ia_css_frame *frame,
 		ia_css_debug_dtrace(2, "  unknown frame type\n");
 		break;
 	}
-	return;
 }
 
 #if SP_DEBUG != SP_DEBUG_NONE
@@ -809,7 +803,6 @@ void ia_css_debug_print_sp_debug_state(const struct sh_css_sp_debug_state
 
 #if SP_DEBUG != SP_DEBUG_NONE
 
-	return;
 }
 #endif
 
@@ -823,7 +816,6 @@ void ia_css_debug_dump_sp_sw_debug_info(void)
 #endif
 	ia_css_bufq_dump_queue_info();
 	ia_css_pipeline_dump_thread_map_info();
-	return;
 }
 
 /* this function is for debug use, it can make SP go to sleep

-- 
2.53.0

On Tue, Mar 10, 2026 at 10:39:19PM +0100, Tomasz Unger wrote:
> @@ -809,7 +803,6 @@ void ia_css_debug_print_sp_debug_state(const struct sh_css_sp_debug_state
>  
>  #if SP_DEBUG != SP_DEBUG_NONE
>  
> -	return;
>  }
>  #endif
>  

After you write your patch, then re-run checkpatch.pl -f on the file and
it will catch these extra blank lines.

regards,
dan carpenter