Please ignore this patch. The title is incorrect, I've updated and resented it at https://lore.kernel.org/lkml/20210825222514.2107728-1-jiancai@google.com/. Sorry for any inconvenience.

On Wed, Aug 25, 2021 at 3:25 PM Jian Cai <jiancai@google.com> wrote:
This fixes warnings with -Wimplicit-function-declaration, e.g.

^[[1m/mnt/host/source/src/third_party/kernel/v5.4/drivers/hwtracing/coresight/coresight-syscfg.c:455:15: ^[[0m^[[0;1;31merror: ^[[0m^[[1mimplicit declaration of function 'kzalloc' [-Werror,-Wimplicit-function-declaration]^[[0m
        csdev_item = kzalloc(sizeof(struct cscfg_registered_csdev), GFP_KERNEL);
^[[0;1;32m                     ^

Signed-off-by: Jian Cai <jiancai@google.com>
---
 drivers/hwtracing/coresight/coresight-syscfg.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/hwtracing/coresight/coresight-syscfg.c b/drivers/hwtracing/coresight/coresight-syscfg.c
index fc0760f55c53..43054568430f 100644
--- a/drivers/hwtracing/coresight/coresight-syscfg.c
+++ b/drivers/hwtracing/coresight/coresight-syscfg.c
@@ -5,6 +5,7 @@
  */

 #include <linux/platform_device.h>
+#include <linux/slab.h>

 #include "coresight-config.h"
 #include "coresight-etm-perf.h"
--
2.33.0.259.gc128427fd7-goog