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path: root/drivers/usb/host/ohci-dbg.c
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Diffstat (limited to 'drivers/usb/host/ohci-dbg.c')
-rw-r--r--drivers/usb/host/ohci-dbg.c18
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/usb/host/ohci-dbg.c b/drivers/usb/host/ohci-dbg.c
index d7d34492934a..5179fcd73d8a 100644
--- a/drivers/usb/host/ohci-dbg.c
+++ b/drivers/usb/host/ohci-dbg.c
@@ -127,6 +127,19 @@ static char *hcfs2string (int state)
127 return "?"; 127 return "?";
128} 128}
129 129
130static const char *rh_state_string(struct ohci_hcd *ohci)
131{
132 switch (ohci->rh_state) {
133 case OHCI_RH_HALTED:
134 return "halted";
135 case OHCI_RH_SUSPENDED:
136 return "suspended";
137 case OHCI_RH_RUNNING:
138 return "running";
139 }
140 return "?";
141}
142
130// dump control and status registers 143// dump control and status registers
131static void 144static void
132ohci_dump_status (struct ohci_hcd *controller, char **next, unsigned *size) 145ohci_dump_status (struct ohci_hcd *controller, char **next, unsigned *size)
@@ -136,9 +149,10 @@ ohci_dump_status (struct ohci_hcd *controller, char **next, unsigned *size)
136 149
137 temp = ohci_readl (controller, &regs->revision) & 0xff; 150 temp = ohci_readl (controller, &regs->revision) & 0xff;
138 ohci_dbg_sw (controller, next, size, 151 ohci_dbg_sw (controller, next, size,
139 "OHCI %d.%d, %s legacy support registers\n", 152 "OHCI %d.%d, %s legacy support registers, rh state %s\n",
140 0x03 & (temp >> 4), (temp & 0x0f), 153 0x03 & (temp >> 4), (temp & 0x0f),
141 (temp & 0x0100) ? "with" : "NO"); 154 (temp & 0x0100) ? "with" : "NO",
155 rh_state_string(controller));
142 156
143 temp = ohci_readl (controller, &regs->control); 157 temp = ohci_readl (controller, &regs->control);
144 ohci_dbg_sw (controller, next, size, 158 ohci_dbg_sw (controller, next, size,