On 10/28/2015 08:40 PM, Greg Kroah-Hartman wrote:
>+struct debug_buffer { >+ ssize_t (*fill_func)(struct debug_buffer *); >+ struct usb_bus *bus; >+ struct mutex mutex; >+ size_t count; >+ char *output_buf; >+ size_t alloc_size; >+}; >+ >+static const char *get_extcap_desc(u32 cap_id) >+{ >+ switch (cap_id) { >+ case XHCI_EXT_CAPS_LEGACY: >+ return "USB Legacy Support"; >+ case XHCI_EXT_CAPS_PROTOCOL: >+ return "Supported Protocol"; >+ case XHCI_EXT_CAPS_PM: >+ return "Extended Power Management"; >+ case XHCI_EXT_CAPS_VIRT: >+ return "I/O Virtualization (xHCI-IOV)"; >+ case XHCI_EXT_CAPS_ROUTE: >+ return "Message Interrupt"; >+ case XHCI_EXT_CAPS_LOCALMEM: >+ return "Local Memory"; >+ case XHCI_EXT_CAPS_DEBUG: >+ return "USB Debug Capability";This is a lot more stuff than just debug port, it should be in sysfs as individual files, not one big one that you somehow have to parse in order to determine this information.
I will move it into sysfs in v2. Thanks, Baolu -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
