firmware: tegra: do not fail probe if debugfs is missing

There is no reason to fail probe (and thereby deny all bpmp services to
kernel) when debugfs is absent (or its creation failed).

Bug 1929129

Change-Id: I28d6632945afdac00815caf71e51fff90e31c6bc
Signed-off-by: Sivaram Nair <sivaramn@nvidia.com>
Reviewed-on: http://git-master/r/1489030
GVS: Gerrit_Virtual_Submit
Reviewed-by: Arun Kannan <akannan@nvidia.com>
Tested-by: Arun Kannan <akannan@nvidia.com>
Reviewed-by: Timo Alho <talho@nvidia.com>

diff --git a/drivers/firmware/tegra/bpmp.c b/drivers/firmware/tegra/bpmp.c
index 15375e60c2cd56c32455db3624121ec62d066ee2..be113f94a097c190140231e2dd4e7ff7c06b6c78 100644 (file)
--- a/drivers/firmware/tegra/bpmp.c
+++ b/drivers/firmware/tegra/bpmp.c
@@ -307,12 +307,8 @@ static int bpmp_probe(struct platform_device *pdev)
        }
 
        root = bpmp_init_debug(pdev);
-       if (!root) {
-               r = -ENOMEM;
-               goto err_out;
-       }
 
-       if (cfg->cpuidle) {
+       if (root && cfg->cpuidle) {
                r = bpmp_init_cpuidle_debug(root);
                if (r)
                        goto err_out;

diff --git a/drivers/firmware/tegra/bpmp_tty.c b/drivers/firmware/tegra/bpmp_tty.c
index 4ca350c64c44cf2d6678f2bba309a11eeac7890a..76d39e9c3533eb03a95f3f1908ae518d5dc7dbdd 100644 (file)
--- a/drivers/firmware/tegra/bpmp_tty.c
+++ b/drivers/firmware/tegra/bpmp_tty.c
@@ -372,7 +372,8 @@ static int bpmp_tty_probe(struct platform_device *pdev)
 
        root = pdev->dev.platform_data;
 
-       bpmp_tty_create_debugfs(pdev, root);
+       if (root)
+               bpmp_tty_create_debugfs(pdev, root);
 
        return 0;