[PATCH 2/2] drm/ttm: Use debugfs_remove_recursive to remove ttm directory

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Use debugfs_remove_recursive to remove the /sys/kernel/debug/ttm
directory for better compatibility. Becuase debugfs_remove fails
on older kernel.

Signed-off-by: Ma Jun <Jun.Ma2@xxxxxxx>
---
 drivers/gpu/drm/ttm/ttm_device.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/ttm/ttm_device.c b/drivers/gpu/drm/ttm/ttm_device.c
index 967bc2244df3..590297123bb2 100644
--- a/drivers/gpu/drm/ttm/ttm_device.c
+++ b/drivers/gpu/drm/ttm/ttm_device.c
@@ -55,7 +55,7 @@ static void ttm_global_release(void)
 		goto out;
 
 	ttm_pool_mgr_fini();
-	debugfs_remove(ttm_debugfs_root);
+	debugfs_remove_recursive(ttm_debugfs_root);
 
 	__free_page(glob->dummy_read_page);
 	memset(glob, 0, sizeof(*glob));
-- 
2.25.1




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