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usb: dwc3: core: add helper to extract trb type 

This helper will be used later to convert trb type
into a human-readable string for debugfs.

Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
hifive-unleashed-5.1
Felipe Balbi 2016-04-14 16:05:54 +03:00
parent cf6d867d3b
commit b058f3e8a3
1 changed files with 1 additions and 0 deletions
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drivers/usb/dwc3/core.h
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@ -580,6 +580,7 @@ enum dwc3_link_state {
#define DWC3_TRB_CTRL_IOC (1 << 11)
#define DWC3_TRB_CTRL_SID_SOFN(n) (((n) & 0xffff) << 14)
#define DWC3_TRBCTL_TYPE(n) ((n) & (0x3f << 4))
#define DWC3_TRBCTL_NORMAL DWC3_TRB_CTRL_TRBCTL(1)
#define DWC3_TRBCTL_CONTROL_SETUP DWC3_TRB_CTRL_TRBCTL(2)
#define DWC3_TRBCTL_CONTROL_STATUS2 DWC3_TRB_CTRL_TRBCTL(3)