diff options
Diffstat (limited to 'drivers/usb/host/xhci-dbg.c')
| -rw-r--r-- | drivers/usb/host/xhci-dbg.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci-dbg.c b/drivers/usb/host/xhci-dbg.c index 6dbf7d856f8..570cd482045 100644 --- a/drivers/usb/host/xhci-dbg.c +++ b/drivers/usb/host/xhci-dbg.c @@ -152,6 +152,31 @@ void xhci_print_op_regs(struct xhci_hcd *xhci) xhci_print_status(xhci); } +void xhci_print_ports(struct xhci_hcd *xhci) +{ + u32 __iomem *addr; + int i, j; + int ports; + char *names[NUM_PORT_REGS] = { + "status", + "power", + "link", + "reserved", + }; + + ports = HCS_MAX_PORTS(xhci->hcs_params1); + addr = &xhci->op_regs->port_status_base; + for (i = 0; i < ports; i++) { + for (j = 0; j < NUM_PORT_REGS; ++j) { + xhci_dbg(xhci, "0x%x port %s reg = 0x%x\n", + (unsigned int) addr, + names[j], + (unsigned int) xhci_readl(xhci, addr)); + addr++; + } + } +} + void xhci_print_ir_set(struct xhci_hcd *xhci, struct intr_reg *ir_set, int set_num) { void *addr; @@ -228,6 +253,7 @@ void xhci_print_registers(struct xhci_hcd *xhci) { xhci_print_cap_regs(xhci); xhci_print_op_regs(xhci); + xhci_print_ports(xhci); } void xhci_print_trb_offsets(struct xhci_hcd *xhci, union xhci_trb *trb) |