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DM USB: xHCI: WA for an isochronous crash issue

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The current xHCI mediator doesn't well support disable endpoint command.
This patch is one workaround for disable endpoint command to avoid
xHCI mediator to continue handle already dropped data.

Tracked-On: #2927
Signed-off-by: Xiaoguang Wu <xiaoguang.wu@intel.com>
Acked-by: Yu Wang <yu1.wang@intel.com>
This commit is contained in:
Xiaoguang Wu
2018-12-28 20:06:52 +08:00
committed by Eddie Dong
parent f0e7ce6a8c
commit 63743d8b9b
3 changed files with 14 additions and 0 deletions
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3
devicemodel/include/usb_core.h
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@@ -160,6 +160,7 @@ struct usb_data_xfer_block {
};
struct usb_data_xfer {
uint64_t magic;
struct usb_data_xfer_block data[USB_MAX_XFER_BLOCKS];
struct usb_device_request *ureq; /* setup ctl request */
int ndata; /* # of data items */
@@ -242,6 +243,8 @@ enum USB_ERRCODE {
#define USB_NATIVE_NUM_PORT 20
#define USB_NATIVE_NUM_BUS 4
#define USB_DROPPED_XFER_MAGIC 0xaaaaaaaa55555555
extern int usb_log_level;
static inline int usb_get_log_level(void) { return usb_log_level; }
static inline void usb_set_log_level(int level) { usb_log_level = level; }