On 06/18/2014 12:16 AM, Andrew Bresticker wrote: > The Tegra XHCI controller communicates requests to the host through > a mailbox interface. Host drivers which can handle these requests, > such as the Tegra XUSB pad controller driver and upcoming Tegra XHCI > host controller driver, can send messages and register to be notified > of incoming messages. > diff --git a/include/linux/tegra-xusb-mbox.h b/include/linux/tegra-xusb-mbox.h > +extern int tegra_xusb_mbox_register_notifier(struct tegra_xusb_mbox *mbox, > + struct notifier_block *nb); > +extern void tegra_xusb_mbox_unregister_notifier(struct tegra_xusb_mbox *mbox, > + struct notifier_block *nb); > +extern int tegra_xusb_mbox_send(struct tegra_xusb_mbox *mbox, > + enum tegra_xusb_mbox_cmd cmd, u32 data); > +extern struct tegra_xusb_mbox * > +tegra_xusb_mbox_lookup_by_phandle(struct device_node *np, const char *prop); This seems to use a custom API. I've seen mention of a mailbox subsystem, and I assume that has a standardized API. Should this driver implement that instead? -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
