author: Mikko Perttunen <mperttunen@nvidia.com> 2021-02-10 15:49:45 +0200
committer: Jassi Brar <jaswinder.singh@linaro.org> 2021-02-14 23:28:40 -0600
commit: d1e6bc0ca01c0b0b1a2d543223024cf2c8f52fb7
parent: 4450f128c51160bfded6b483eba37d0628d7adb2
Commit Summary:
Diffstat:
1 file changed, 12 insertions, 0 deletions
diff --git a/drivers/mailbox/tegra-hsp.c b/drivers/mailbox/tegra-hsp.c
index e07091d71986..acd0675da681 100644
--- a/drivers/mailbox/tegra-hsp.c
+++ b/drivers/mailbox/tegra-hsp.c
@@ -98,7 +98,9 @@ struct tegra_hsp {
unsigned int num_ss;
unsigned int num_db;
unsigned int num_si;
+
spinlock_t lock;
+ struct lock_class_key lock_key;
struct list_head doorbells;
struct tegra_hsp_mailbox *mailboxes;
@@ -775,6 +777,18 @@ static int tegra_hsp_probe(struct platform_device *pdev)
return err;
}
+ lockdep_register_key(&hsp->lock_key);
+ lockdep_set_class(&hsp->lock, &hsp->lock_key);
+
+ return 0;
+}
+
+static int tegra_hsp_remove(struct platform_device *pdev)
+{
+ struct tegra_hsp *hsp = platform_get_drvdata(pdev);
+
+ lockdep_unregister_key(&hsp->lock_key);
+
return 0;
}
@@ -834,6 +848,7 @@ static struct platform_driver tegra_hsp_driver = {
.pm = &tegra_hsp_pm_ops,
},
.probe = tegra_hsp_probe,
+ .remove = tegra_hsp_remove,
};
static int __init tegra_hsp_init(void)