[PATCH] drivers: usb: fastboot: Fix full-speed usb descriptor

qianfanguijin at 163.com qianfanguijin at 163.com
Mon Aug 22 03:18:31 CEST 2022


From: qianfan Zhao <qianfanguijin at 163.com>

The host will report such error message if the fastboot device work in
full-speed mode: "Duplicate descriptor for config 1 interface 0
altsetting 0, skipping"

Fastboot device ack both full and high speed interface descriptors when
work in full-speed mode, that's will cause this issue.

Fix it.

Signed-off-by: qianfan Zhao <qianfanguijin at 163.com>
---
 drivers/usb/gadget/f_fastboot.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/gadget/f_fastboot.c b/drivers/usb/gadget/f_fastboot.c
index 8ba55aab9f..d0e92c7a07 100644
--- a/drivers/usb/gadget/f_fastboot.c
+++ b/drivers/usb/gadget/f_fastboot.c
@@ -119,6 +119,7 @@ static struct usb_descriptor_header *fb_fs_function[] = {
 	(struct usb_descriptor_header *)&interface_desc,
 	(struct usb_descriptor_header *)&fs_ep_in,
 	(struct usb_descriptor_header *)&fs_ep_out,
+	NULL,
 };
 
 static struct usb_descriptor_header *fb_hs_function[] = {
-- 
2.25.1



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