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| author |   Felipe Balbi <felipe.balbi@linux.intel.com> | 2017-04-20 15:21:27 +0300 |
|---|---|---|
| committer | Felipe Balbi <felipe.balbi@linux.intel.com> | 2017-06-02 11:22:28 +0300 |
| commit | 436841d53dd798ad67fc7c9bc7403613a9d9b4e0 (patch) | |
| tree | 475d7222af004c04b1bf4ba8976779645a91b2d6 /drivers/usb/dwc3/debugfs.c | |
| parent | usb: dwc3: update documentation (diff) | |
| download | linux-dev-436841d53dd798ad67fc7c9bc7403613a9d9b4e0.tar.xz linux-dev-436841d53dd798ad67fc7c9bc7403613a9d9b4e0.zip | |
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.c | 9 |
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: |