From: Chenwandun chenwandun@huawei.com
drivers/gpu/drm/drm_dp_mst_topology.c: In function __topology_ref_save: drivers/gpu/drm/drm_dp_mst_topology.c:1424:6: error: implicit declaration of function stack_trace_save; did you mean stack_depot_save? [-Werror=implicit-function-declaration] n = stack_trace_save(stack_entries, ARRAY_SIZE(stack_entries), 1); ^~~~~~~~~~~~~~~~ stack_depot_save drivers/gpu/drm/drm_dp_mst_topology.c: In function __dump_topology_ref_history: drivers/gpu/drm/drm_dp_mst_topology.c:1513:3: error: implicit declaration of function stack_trace_snprint; did you mean acpi_trace_point? [-Werror=implicit-function-declaration] stack_trace_snprint(buf, PAGE_SIZE, entries, nr_entries, 4); ^~~~~~~~~~~~~~~~~~~ acpi_trace_point
stack_trace_save and stack_trace_snprint are declared in <linux/stacktrace.h>, so there is need to include it, and <linux/stackdepot.h> is already included by practices, so just replace <linux/stackdepot.h> by <linux/stacktrace.h>.
Signed-off-by: Chenwandun chenwandun@huawei.com --- drivers/gpu/drm/drm_dp_mst_topology.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c index 85bef73..11adc4b 100644 --- a/drivers/gpu/drm/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/drm_dp_mst_topology.c @@ -29,7 +29,7 @@ #include <linux/seq_file.h>
#if IS_ENABLED(CONFIG_DRM_DEBUG_DP_MST_TOPOLOGY_REFS) -#include <linux/stackdepot.h> +#include <linux/stacktrace.h> #include <linux/sort.h> #include <linux/timekeeping.h> #include <linux/math64.h>