[PATCH] amdkfd: explicitely include io.h in kfd_doorbell.c

[Oded Gabbay]

This patch fixes a compilation error when using certain configuration by
including the file io.h in kfd_doorbell.c

Signed-off-by: Oded Gabbay <oded.gabbay@xxxxxxx>
---
 drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c b/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c
index 0dcb787..b5791a5 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c
@@ -23,6 +23,7 @@
 #include <linux/mm.h>
 #include <linux/mman.h>
 #include <linux/slab.h>
+#include <linux/io.h>
 
 /*
  * This extension supports a kernel level doorbells management for
-- 
2.1.0

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