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authorFelipe Balbi <felipe.balbi@linux.intel.com>2017-04-20 15:21:27 +0300
committerFelipe Balbi <felipe.balbi@linux.intel.com>2017-06-02 11:22:28 +0300
commit436841d53dd798ad67fc7c9bc7403613a9d9b4e0 (patch)
tree475d7222af004c04b1bf4ba8976779645a91b2d6 /drivers/usb/dwc3/debugfs.c
parentbfad65ee9be2096a854e350ba6324e3e48ad5e1d (diff)
downloadlinux-436841d53dd798ad67fc7c9bc7403613a9d9b4e0.tar.gz
usb: dwc3: debugfs: slightly improve output of trb_ring
Instead of printing out enqueue and dequeue pointer value as a header to the output, let's mark the TRBs in question with 'E' and 'D'. The output looks slightly easier to read. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Diffstat (limited to 'drivers/usb/dwc3/debugfs.c')
-rw-r--r--drivers/usb/dwc3/debugfs.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/usb/dwc3/debugfs.c b/drivers/usb/dwc3/debugfs.c
index 7be963dd8e3b..4e09be80e59f 100644
--- a/drivers/usb/dwc3/debugfs.c
+++ b/drivers/usb/dwc3/debugfs.c
@@ -653,16 +653,13 @@ static int dwc3_ep_trb_ring_show(struct seq_file *s, void *unused)
goto out;
}
- seq_printf(s, "enqueue pointer %d\n", dep->trb_enqueue);
- seq_printf(s, "dequeue pointer %d\n", dep->trb_dequeue);
- seq_printf(s, "\n--------------------------------------------------\n\n");
seq_printf(s, "buffer_addr,size,type,ioc,isp_imi,csp,chn,lst,hwo\n");
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",
+ seq_printf(s, "%08x%08x,%d,%s,%d,%d,%d,%d,%d,%d %c%c\n",
trb->bph, trb->bpl, trb->size,
dwc3_trb_type_string(type),
!!(trb->ctrl & DWC3_TRB_CTRL_IOC),
@@ -670,7 +667,9 @@ static int dwc3_ep_trb_ring_show(struct seq_file *s, void *unused)
!!(trb->ctrl & DWC3_TRB_CTRL_CSP),
!!(trb->ctrl & DWC3_TRB_CTRL_CHN),
!!(trb->ctrl & DWC3_TRB_CTRL_LST),
- !!(trb->ctrl & DWC3_TRB_CTRL_HWO));
+ !!(trb->ctrl & DWC3_TRB_CTRL_HWO),
+ dep->trb_enqueue == i ? 'E' : ' ',
+ dep->trb_dequeue == i ? 'D' : ' ');
}
out: