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| author | Felipe Balbi <balbi@ti.com> | 2014-04-25 14:14:14 -0500 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2014-04-25 14:22:00 -0500 |
| commit | 427c3df684ab97379b529188d505cc99c2a1429d (patch) | |
| tree | 972f5616c9c47203f8c0974291571eb2103f8a82 /drivers/usb/dwc3 | |
| parent | e57ebc1db6ef796124b69abca044a373b9110a47 (diff) | |
| download | linux-0-day-427c3df684ab97379b529188d505cc99c2a1429d.tar.gz linux-0-day-427c3df684ab97379b529188d505cc99c2a1429d.tar.xz | |
usb: dwc3: gadget: pretty print Generic CMDs
this makes it slightly easier to read generic CMD
logs. It also helps make sure we're sending proper
parameters for each command.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/dwc3')
| -rw-r--r-- | drivers/usb/dwc3/gadget.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 9a8ae39f7fa85..e0b7910509305 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -302,6 +302,32 @@ static const char *dwc3_gadget_ep_cmd_string(u8 cmd) } } +static const char *dwc3_gadget_generic_cmd_string(u8 cmd) +{ + switch (cmd) { + case DWC3_DGCMD_SET_LMP: + return "Set LMP"; + case DWC3_DGCMD_SET_PERIODIC_PAR: + return "Set Periodic Parameters"; + case DWC3_DGCMD_XMIT_FUNCTION: + return "Transmit Function Wake Device Notification"; + case DWC3_DGCMD_SET_SCRATCHPAD_ADDR_LO: + return "Set Scratchpad Buffer Array Address Lo"; + case DWC3_DGCMD_SET_SCRATCHPAD_ADDR_HI: + return "Set Scratchpad Buffer Array Address Hi"; + case DWC3_DGCMD_SELECTED_FIFO_FLUSH: + return "Selected FIFO Flush"; + case DWC3_DGCMD_ALL_FIFO_FLUSH: + return "All FIFO Flush"; + case DWC3_DGCMD_SET_ENDPOINT_NRDY: + return "Set Endpoint NRDY"; + case DWC3_DGCMD_RUN_SOC_BUS_LOOPBACK: + return "Run SoC Bus Loopback Test"; + default: + return "UNKNOWN"; + } +} + static const char *dwc3_gadget_link_string(enum dwc3_link_state link_state) { switch (link_state) { @@ -343,6 +369,9 @@ int dwc3_send_gadget_generic_command(struct dwc3 *dwc, int cmd, u32 param) u32 timeout = 500; u32 reg; + dev_vdbg(dwc->dev, "generic cmd '%s' [%d] param %08x\n", + dwc3_gadget_generic_cmd_string(cmd), cmd, param); + dwc3_writel(dwc->regs, DWC3_DGCMDPAR, param); dwc3_writel(dwc->regs, DWC3_DGCMD, cmd | DWC3_DGCMD_CMDACT); |