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

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Am 13.01.23 um 06:34 schrieb Ma Jun:
Use debugfs_remove_recursive to remove the /sys/kernel/debug/ttm
directory for better compatibility. Becuase debugfs_remove fails
on older kernel.

Again NAK for upstreaming.

The upstream kernel is made for the newest kernel version and should not contain any compatibility handling for older kernels.

Christian.


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));




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