From eae5820b852f2b434fc7734b5b1226bcc4ae9b92 Mon Sep 17 00:00:00 2001
From: John Youn <John.Youn@synopsys.com>
Date: Fri, 5 Feb 2016 17:07:17 -0800
Subject: [PATCH] usb: gadget: composite: Write SuperSpeedPlus config
descriptors
Enable writing of SuperSpeedPlus descriptors for any SuperSpeedPlus
capable configuration when connected in SuperSpeedPlus.
Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
---
drivers/usb/gadget/composite.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index 1d4f324e4bac5..b938fcfee235e 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -473,7 +473,7 @@ static int config_desc(struct usb_composite_dev *cdev, unsigned w_value)
u8 type = w_value >> 8;
enum usb_device_speed speed = USB_SPEED_UNKNOWN;
- if (gadget->speed == USB_SPEED_SUPER)
+ if (gadget->speed >= USB_SPEED_SUPER)
speed = gadget->speed;
else if (gadget_is_dualspeed(gadget)) {
int hs = 0;
@@ -504,6 +504,10 @@ static int config_desc(struct usb_composite_dev *cdev, unsigned w_value)
check_config:
/* ignore configs that won't work at this speed */
switch (speed) {
+ case USB_SPEED_SUPER_PLUS:
+ if (!c->superspeed_plus)
+ continue;
+ break;
case USB_SPEED_SUPER:
if (!c->superspeed)
continue;
--
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