From c75f57fba4712fed1b0f7b9b10c2bbfdb9ede449 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Stefan=20Br=C3=BCns?= Date: Tue, 22 Dec 2015 01:18:13 +0100 Subject: usb: Alloc buffer for USB descriptor dynamically MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The configuration descriptor includes all interface, endpoint and auxiliary descriptors (e.g. report, union) so 512 bytes may not be enough. Signed-off-by: Stefan Brüns Reviewed-by: Marek Vasut Reviewed-by: Simon Glass --- include/usb.h | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'include') diff --git a/include/usb.h b/include/usb.h index 55b9268ea16..198ecbcbe32 100644 --- a/include/usb.h +++ b/include/usb.h @@ -266,8 +266,9 @@ int usb_submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer, int transfer_len, int interval); int usb_disable_asynch(int disable); int usb_maxpacket(struct usb_device *dev, unsigned long pipe); -int usb_get_configuration_no(struct usb_device *dev, unsigned char *buffer, - int cfgno); +int usb_get_configuration_no(struct usb_device *dev, int cfgno, + unsigned char *buffer, int length); +int usb_get_configuration_len(struct usb_device *dev, int cfgno); int usb_get_report(struct usb_device *dev, int ifnum, unsigned char type, unsigned char id, void *buf, int size); int usb_get_class_descriptor(struct usb_device *dev, int ifnum, -- cgit v1.2.3