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Commit b5c7ed5c authored by Felipe Balbi's avatar Felipe Balbi
Browse files

usb: dwc3: expose dwc3_trb_type_string() 



That helper can be used from our tracepoint interface with very minor
edits. Let's do so.

Signed-off-by: default avatarFelipe Balbi <felipe.balbi@linux.intel.com>
parent 90abb425

drivers/usb/dwc3/debug.h

+28 −0
Original line number Diff line number Diff line
@@ -124,6 +124,34 @@ dwc3_gadget_link_string(enum dwc3_link_state link_state) 
	}

}



/**

 * dwc3_trb_type_string - returns TRB type as a string

 * @type: the type of the TRB

 */

static inline const char *dwc3_trb_type_string(unsigned int type)

{

	switch (type) {

	case DWC3_TRBCTL_NORMAL:

		return "normal";

	case DWC3_TRBCTL_CONTROL_SETUP:

		return "setup";

	case DWC3_TRBCTL_CONTROL_STATUS2:

		return "status2";

	case DWC3_TRBCTL_CONTROL_STATUS3:

		return "status3";

	case DWC3_TRBCTL_CONTROL_DATA:

		return "data";

	case DWC3_TRBCTL_ISOCHRONOUS_FIRST:

		return "isoc-first";

	case DWC3_TRBCTL_ISOCHRONOUS:

		return "isoc";

	case DWC3_TRBCTL_LINK_TRB:

		return "link";

	default:

		return "UNKNOWN";

	}

}



static inline const char *dwc3_ep0_state_string(enum dwc3_ep0_state state)

{

	switch (state) {

drivers/usb/dwc3/debugfs.c

+2 −25
Original line number Diff line number Diff line
@@ -644,30 +644,6 @@ static int dwc3_ep_transfer_type_show(struct seq_file *s, void *unused) 
	return 0;

}



static inline const char *dwc3_trb_type_string(struct dwc3_trb *trb)

{

	switch (DWC3_TRBCTL_TYPE(trb->ctrl)) {

	case DWC3_TRBCTL_NORMAL:

		return "normal";

	case DWC3_TRBCTL_CONTROL_SETUP:

		return "setup";

	case DWC3_TRBCTL_CONTROL_STATUS2:

		return "status2";

	case DWC3_TRBCTL_CONTROL_STATUS3:

		return "status3";

	case DWC3_TRBCTL_CONTROL_DATA:

		return "data";

	case DWC3_TRBCTL_ISOCHRONOUS_FIRST:

		return "isoc-first";

	case DWC3_TRBCTL_ISOCHRONOUS:

		return "isoc";

	case DWC3_TRBCTL_LINK_TRB:

		return "link";

	default:

		return "UNKNOWN";

	}

}



static int dwc3_ep_trb_ring_show(struct seq_file *s, void *unused)

{

	struct dwc3_ep		*dep = s->private;
@@ -688,10 +664,11 @@ static int dwc3_ep_trb_ring_show(struct seq_file *s, void *unused) 


	for (i = 0; i < DWC3_TRB_NUM; i++) {

		struct dwc3_trb *trb = &dep->trb_pool[i];

		unsigned int type = DWC3_TRBCTL_TYPE(trb->ctrl);



		seq_printf(s, "%08x%08x,%d,%s,%d,%d,%d,%d,%d,%d\n",

				trb->bph, trb->bpl, trb->size,

				dwc3_trb_type_string(trb),

				dwc3_trb_type_string(type),

				!!(trb->ctrl & DWC3_TRB_CTRL_IOC),

				!!(trb->ctrl & DWC3_TRB_CTRL_ISP_IMI),

				!!(trb->ctrl & DWC3_TRB_CTRL_CSP),

drivers/usb/dwc3/trace.h

+1 −30
Original line number Diff line number Diff line
@@ -273,36 +273,7 @@ DECLARE_EVENT_CLASS(dwc3_log_trb, 
		__entry->ctrl & DWC3_TRB_CTRL_CSP ? 'S' : 's',

		__entry->ctrl & DWC3_TRB_CTRL_ISP_IMI ? 'S' : 's',

		__entry->ctrl & DWC3_TRB_CTRL_IOC ? 'C' : 'c',

		({char *s;

		switch (__entry->ctrl & 0x3f0) {

		case DWC3_TRBCTL_NORMAL:

			s = "normal";

			break;

		case DWC3_TRBCTL_CONTROL_SETUP:

			s = "setup";

			break;

		case DWC3_TRBCTL_CONTROL_STATUS2:

			s = "status2";

			break;

		case DWC3_TRBCTL_CONTROL_STATUS3:

			s = "status3";

			break;

		case DWC3_TRBCTL_CONTROL_DATA:

			s = "data";

			break;

		case DWC3_TRBCTL_ISOCHRONOUS_FIRST:

			s = "isoc-first";

			break;

		case DWC3_TRBCTL_ISOCHRONOUS:

			s = "isoc";

			break;

		case DWC3_TRBCTL_LINK_TRB:

			s = "link";

			break;

		default:

			s = "UNKNOWN";

			break;

		} s; })

		  dwc3_trb_type_string(DWC3_TRBCTL_TYPE(__entry->ctrl))

	)

);