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authorDavid Vrabel <david.vrabel@csr.com>2009-10-12 17:45:17 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2009-12-11 20:55:16 +0100
commitd19fc291929aae528a40dd17c71a81f26254715d (patch)
treef6621f7fa430042ab764de1cafba8612e079fef7
parentUSB: usbtmc: minor formatting cleanups (diff)
downloadlinux-d19fc291929aae528a40dd17c71a81f26254715d.tar.xz
linux-d19fc291929aae528a40dd17c71a81f26254715d.zip
usb: whci-hcd: decode more QHead fields in the debug files
Print ep number, direction and type; and current window in asl and pzl debugfs files. Signed-off-by: David Vrabel <david.vrabel@csr.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-rw-r--r--drivers/usb/host/whci/debug.c20
1 files changed, 16 insertions, 4 deletions
diff --git a/drivers/usb/host/whci/debug.c b/drivers/usb/host/whci/debug.c
index 2273c815941f..8c1c610c9513 100644
--- a/drivers/usb/host/whci/debug.c
+++ b/drivers/usb/host/whci/debug.c
@@ -31,17 +31,29 @@ struct whc_dbg {
void qset_print(struct seq_file *s, struct whc_qset *qset)
{
+ static const char *qh_type[] = {
+ "ctrl", "isoc", "bulk", "intr", "rsvd", "rsvd", "rsvd", "lpintr", };
struct whc_std *std;
struct urb *urb = NULL;
int i;
- seq_printf(s, "qset %08x\n", (u32)qset->qset_dma);
+ seq_printf(s, "qset %08x", (u32)qset->qset_dma);
+ if (&qset->list_node == qset->whc->async_list.prev) {
+ seq_printf(s, " (dummy)\n");
+ } else {
+ seq_printf(s, " ep%d%s-%s maxpkt: %d\n",
+ qset->qh.info1 & 0x0f,
+ (qset->qh.info1 >> 4) & 0x1 ? "in" : "out",
+ qh_type[(qset->qh.info1 >> 5) & 0x7],
+ (qset->qh.info1 >> 16) & 0xffff);
+ }
seq_printf(s, " -> %08x\n", (u32)qset->qh.link);
seq_printf(s, " info: %08x %08x %08x\n",
- qset->qh.info1, qset->qh.info2, qset->qh.info3);
- seq_printf(s, " sts: %04x errs: %d\n", qset->qh.status, qset->qh.err_count);
+ qset->qh.info1, qset->qh.info2, qset->qh.info3);
+ seq_printf(s, " sts: %04x errs: %d curwin: %08x\n",
+ qset->qh.status, qset->qh.err_count, qset->qh.cur_window);
seq_printf(s, " TD: sts: %08x opts: %08x\n",
- qset->qh.overlay.qtd.status, qset->qh.overlay.qtd.options);
+ qset->qh.overlay.qtd.status, qset->qh.overlay.qtd.options);
for (i = 0; i < WHCI_QSET_TD_MAX; i++) {
seq_printf(s, " %c%c TD[%d]: sts: %08x opts: %08x ptr: %08x\n",