drm/tegra: debugfs cleanup cannot fail

The debugfs cleanup code never fails, so no error is returned. Therefore
the functions can all return void instead.

Signed-off-by: Thierry Reding <treding@nvidia.com>

1 files changed, 3 insertions, 9 deletions

diff --git a/drivers/gpu/drm/tegra/dsi.c b/drivers/gpu/drm/tegra/dsi.c
index 0b476e1c005a..a999478b2c47 100644
--- a/drivers/gpu/drm/tegra/dsi.c
+++ b/drivers/gpu/drm/tegra/dsi.c
@@ -228,7 +228,7 @@ remove:
         return err;
 }
 
-static int tegra_dsi_debugfs_exit(struct tegra_dsi *dsi)
+static void tegra_dsi_debugfs_exit(struct tegra_dsi *dsi)
 {
         drm_debugfs_remove_files(dsi->debugfs_files, ARRAY_SIZE(debugfs_files),
                                  dsi->minor);
@@ -239,8 +239,6 @@ static int tegra_dsi_debugfs_exit(struct tegra_dsi *dsi)
 
         debugfs_remove(dsi->debugfs);
         dsi->debugfs = NULL;
-
-        return 0;
 }
 
 #define PKT_ID0(id)     ((((id) & 0x3f) <<  3) | (1 <<  9))
@@ -1025,15 +1023,11 @@ reset:
 static int tegra_dsi_exit(struct host1x_client *client)
 {
         struct tegra_dsi *dsi = host1x_client_to_dsi(client);
-        int err;
 
         tegra_output_exit(&dsi->output);
 
-        if (IS_ENABLED(CONFIG_DEBUG_FS)) {
-                err = tegra_dsi_debugfs_exit(dsi);
-                if (err < 0)
-                        dev_err(dsi->dev, "debugfs cleanup failed: %d\n", err);
-        }
+        if (IS_ENABLED(CONFIG_DEBUG_FS))
+                tegra_dsi_debugfs_exit(dsi);
 
         reset_control_assert(dsi->rst);