From: Simon Appleby Date: Tue, 9 Feb 2016 09:19:46 +0000 (+0000) Subject: usb: gadget: net2280: fix endpoint max packet for super speed connections X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=ca1c11894274c1687417945c034d6b8aee49f625;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git usb: gadget: net2280: fix endpoint max packet for super speed connections This patch fixes the register offset used for super-speed connection's max packet size. Without it using the 338x series of devices in enhanced mode will only allow full or high speed operation to function correctly. Signed-off-by: Simon Appleby Signed-off-by: Felipe Balbi --- diff --git a/drivers/usb/gadget/udc/net2280.h b/drivers/usb/gadget/udc/net2280.h index 4dff60d34f73..0d32052bf16f 100644 --- a/drivers/usb/gadget/udc/net2280.h +++ b/drivers/usb/gadget/udc/net2280.h @@ -369,9 +369,20 @@ static inline void set_max_speed(struct net2280_ep *ep, u32 max) static const u32 ep_enhanced[9] = { 0x10, 0x60, 0x30, 0x80, 0x50, 0x20, 0x70, 0x40, 0x90 }; - if (ep->dev->enhanced_mode) + if (ep->dev->enhanced_mode) { reg = ep_enhanced[ep->num]; - else{ + switch (ep->dev->gadget.speed) { + case USB_SPEED_SUPER: + reg += 2; + break; + case USB_SPEED_FULL: + reg += 1; + break; + case USB_SPEED_HIGH: + default: + break; + } + } else { reg = (ep->num + 1) * 0x10; if (ep->dev->gadget.speed != USB_SPEED_HIGH) reg += 1;