gpu: host1x: Add MIPI pad calibration support

This driver adds support to perform calibration of the MIPI pads for CSI
and DSI.

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

1 files changed, 13 insertions, 4 deletions

diff --git a/drivers/gpu/host1x/dev.c b/drivers/gpu/host1x/dev.c
index 80da003d63de..646a333b069a 100644
--- a/drivers/gpu/host1x/dev.c
+++ b/drivers/gpu/host1x/dev.c
@@ -210,17 +210,26 @@ static int __init tegra_host1x_init(void)
                 return err;
 
         err = platform_driver_register(&tegra_host1x_driver);
-        if (err < 0) {
-                host1x_bus_exit();
-                return err;
-        }
+        if (err < 0)
+                goto unregister_bus;
+
+        err = platform_driver_register(&tegra_mipi_driver);
+        if (err < 0)
+                goto unregister_host1x;
 
         return 0;
+
+unregister_host1x:
+        platform_driver_unregister(&tegra_host1x_driver);
+unregister_bus:
+        host1x_bus_exit();
+        return err;
 }
 module_init(tegra_host1x_init);
 
 static void __exit tegra_host1x_exit(void)
 {
+        platform_driver_unregister(&tegra_mipi_driver);
         platform_driver_unregister(&tegra_host1x_driver);
         host1x_bus_exit();
 }