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path: root/drivers/mailbox
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Diffstat (limited to 'drivers/mailbox')
-rw-r--r--drivers/mailbox/tegra-hsp.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/mailbox/tegra-hsp.c b/drivers/mailbox/tegra-hsp.c
index 834b35dc3b13..e07091d71986 100644
--- a/drivers/mailbox/tegra-hsp.c
+++ b/drivers/mailbox/tegra-hsp.c
@@ -13,6 +13,8 @@
#include <linux/pm.h>
#include <linux/slab.h>
+#include <soc/tegra/fuse.h>
+
#include <dt-bindings/mailbox/tegra186-hsp.h>
#include "mailbox.h"
@@ -322,7 +324,12 @@ static int tegra_hsp_doorbell_startup(struct mbox_chan *chan)
if (!ccplex)
return -ENODEV;
- if (!tegra_hsp_doorbell_can_ring(db))
+ /*
+ * On simulation platforms the BPMP hasn't had a chance yet to mark
+ * the doorbell as ringable by the CCPLEX, so we want to skip extra
+ * checks here.
+ */
+ if (tegra_is_silicon() && !tegra_hsp_doorbell_can_ring(db))
return -ENODEV;
spin_lock_irqsave(&hsp->lock, flags);