From 427c3df684ab97379b529188d505cc99c2a1429d Mon Sep 17 00:00:00 2001 From: Felipe Balbi Date: Fri, 25 Apr 2014 14:14:14 -0500 Subject: [PATCH] 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 --- drivers/usb/dwc3/gadget.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 9a8ae39f7fa8..e0b791050930 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); -- 2.20.1