Message ID | 02fcc07b50685cc7c4f3184118ced75d26ab5b72.1570023563.git.michal.simek@xilinx.com |
---|---|
State | Accepted |
Commit | 22673b4d53fc5ad82f632d6cdaae2950190ef214 |
Delegated to: | Michal Simek |
Headers | show |
Series | arm64: zynqmp: Clean communication with PMUFW | expand |
diff --git a/drivers/mailbox/mailbox-uclass.c b/drivers/mailbox/mailbox-uclass.c index 1b4a5863c9e5..809f26b20258 100644 --- a/drivers/mailbox/mailbox-uclass.c +++ b/drivers/mailbox/mailbox-uclass.c @@ -63,7 +63,8 @@ int mbox_get_by_index(struct udevice *dev, int index, struct mbox_chan *chan) return ret; } - ret = ops->request(chan); + if (ops->request) + ret = ops->request(chan); if (ret) { debug("ops->request() failed: %d\n", ret); return ret; @@ -94,7 +95,10 @@ int mbox_free(struct mbox_chan *chan) debug("%s(chan=%p)\n", __func__, chan); - return ops->free(chan); + if (ops->free) + return ops->free(chan); + + return 0; } int mbox_send(struct mbox_chan *chan, const void *data)