From 73815280a5af8d95e818eb25f4091e86497dfa4b Mon Sep 17 00:00:00 2001 From: Felipe Balbi Date: Tue, 27 Jan 2015 13:48:14 -0600 Subject: [PATCH] usb: dwc3: remove reliance on dev_vdbg() By moving all dev_vdbg() to tracepoints, we can finally get rid of dev_vdbg() usage from dwc3. Signed-off-by: Felipe Balbi --- drivers/usb/dwc3/Kconfig | 6 ----- drivers/usb/dwc3/Makefile | 1 - drivers/usb/dwc3/core.c | 2 +- drivers/usb/dwc3/gadget.c | 65 +++++++++++++++++++++++++++-------------------- 4 files changed, 39 insertions(+), 35 deletions(-) diff --git a/drivers/usb/dwc3/Kconfig b/drivers/usb/dwc3/Kconfig index 58b5b2cde4c5..edbf9c85af7e 100644 --- a/drivers/usb/dwc3/Kconfig +++ b/drivers/usb/dwc3/Kconfig @@ -104,12 +104,6 @@ config USB_DWC3_DEBUG help Say Y here to enable debugging messages on DWC3 Driver. -config USB_DWC3_VERBOSE - bool "Enable Verbose Debugging Messages" - depends on USB_DWC3_DEBUG - help - Say Y here to enable verbose debugging messages on DWC3 Driver. - config DWC3_HOST_USB3_LPM_ENABLE bool "Enable USB3 LPM Capability" depends on USB_DWC3_HOST=y || USB_DWC3_DUAL_ROLE=y diff --git a/drivers/usb/dwc3/Makefile b/drivers/usb/dwc3/Makefile index bb34fbcfeab3..46172f47f02d 100644 --- a/drivers/usb/dwc3/Makefile +++ b/drivers/usb/dwc3/Makefile @@ -2,7 +2,6 @@ CFLAGS_trace.o := -I$(src) ccflags-$(CONFIG_USB_DWC3_DEBUG) := -DDEBUG -ccflags-$(CONFIG_USB_DWC3_VERBOSE) += -DVERBOSE_DEBUG obj-$(CONFIG_USB_DWC3) += dwc3.o diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 25ddc39efad8..9f0e209b8f6c 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -345,7 +345,7 @@ static void dwc3_core_num_eps(struct dwc3 *dwc) dwc->num_in_eps = DWC3_NUM_IN_EPS(parms); dwc->num_out_eps = DWC3_NUM_EPS(parms) - dwc->num_in_eps; - dev_vdbg(dwc->dev, "found %d IN and %d OUT endpoints\n", + dwc3_trace(trace_dwc3_core, "found %d IN and %d OUT endpoints", dwc->num_in_eps, dwc->num_out_eps); } diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index c6eec261a304..7cce00e7102b 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -139,7 +139,8 @@ int dwc3_gadget_set_link_state(struct dwc3 *dwc, enum dwc3_link_state state) udelay(5); } - dev_vdbg(dwc->dev, "link state change request timed out\n"); + dwc3_trace(trace_dwc3_gadget, + "link state change request timed out"); return -ETIMEDOUT; } @@ -219,7 +220,7 @@ int dwc3_gadget_resize_tx_fifos(struct dwc3 *dwc) fifo_size |= (last_fifo_depth << 16); - dev_vdbg(dwc->dev, "%s: Fifo Addr %04x Size %d\n", + dwc3_trace(trace_dwc3_gadget, "%s: Fifo Addr %04x Size %d", dep->name, last_fifo_depth, fifo_size & 0xffff); dwc3_writel(dwc->regs, DWC3_GTXFIFOSIZ(num), fifo_size); @@ -287,7 +288,8 @@ int dwc3_send_gadget_generic_command(struct dwc3 *dwc, unsigned cmd, u32 param) do { reg = dwc3_readl(dwc->regs, DWC3_DGCMD); if (!(reg & DWC3_DGCMD_CMDACT)) { - dev_vdbg(dwc->dev, "Command Complete --> %d\n", + dwc3_trace(trace_dwc3_gadget, + "Command Complete --> %d", DWC3_DGCMD_STATUS(reg)); return 0; } @@ -297,8 +299,11 @@ int dwc3_send_gadget_generic_command(struct dwc3 *dwc, unsigned cmd, u32 param) * interrupt context. */ timeout--; - if (!timeout) + if (!timeout) { + dwc3_trace(trace_dwc3_gadget, + "Command Timed Out"); return -ETIMEDOUT; + } udelay(1); } while (1); } @@ -320,7 +325,8 @@ int dwc3_send_gadget_ep_cmd(struct dwc3 *dwc, unsigned ep, do { reg = dwc3_readl(dwc->regs, DWC3_DEPCMD(ep)); if (!(reg & DWC3_DEPCMD_CMDACT)) { - dev_vdbg(dwc->dev, "Command Complete --> %d\n", + dwc3_trace(trace_dwc3_gadget, + "Command Complete --> %d", DWC3_DEPCMD_STATUS(reg)); return 0; } @@ -330,8 +336,11 @@ int dwc3_send_gadget_ep_cmd(struct dwc3 *dwc, unsigned ep, * interrupt context. */ timeout--; - if (!timeout) + if (!timeout) { + dwc3_trace(trace_dwc3_gadget, + "Command Timed Out"); return -ETIMEDOUT; + } udelay(1); } while (1); @@ -489,7 +498,7 @@ static int __dwc3_gadget_ep_enable(struct dwc3_ep *dep, u32 reg; int ret; - dev_vdbg(dwc->dev, "Enabling %s\n", dep->name); + dwc3_trace(trace_dwc3_gadget, "Enabling %s", dep->name); if (!(dep->flags & DWC3_EP_ENABLED)) { ret = dwc3_gadget_start_config(dwc, dep); @@ -726,10 +735,9 @@ static void dwc3_prepare_one_trb(struct dwc3_ep *dep, struct dwc3_request *req, dma_addr_t dma, unsigned length, unsigned last, unsigned chain, unsigned node) { - struct dwc3 *dwc = dep->dwc; struct dwc3_trb *trb; - dev_vdbg(dwc->dev, "%s: req %p dma %08llx length %d%s%s\n", + dwc3_trace(trace_dwc3_gadget, "%s: req %p dma %08llx length %d%s%s", dep->name, req, (unsigned long long) dma, length, last ? " last" : "", chain ? " chain" : ""); @@ -931,7 +939,7 @@ static int __dwc3_gadget_kick_transfer(struct dwc3_ep *dep, u16 cmd_param, u32 cmd; if (start_new && (dep->flags & DWC3_EP_BUSY)) { - dev_vdbg(dwc->dev, "%s: endpoint busy\n", dep->name); + dwc3_trace(trace_dwc3_gadget, "%s: endpoint busy", dep->name); return -EBUSY; } dep->flags &= ~DWC3_EP_PENDING_REQUEST; @@ -1002,8 +1010,9 @@ static void __dwc3_gadget_start_isoc(struct dwc3 *dwc, u32 uf; if (list_empty(&dep->request_list)) { - dev_vdbg(dwc->dev, "ISOC ep %s run out for requests.\n", - dep->name); + dwc3_trace(trace_dwc3_gadget, + "ISOC ep %s run out for requests", + dep->name); dep->flags |= DWC3_EP_PENDING_REQUEST; return; } @@ -1144,8 +1153,6 @@ static int dwc3_gadget_ep_queue(struct usb_ep *ep, struct usb_request *request, goto out; } - dev_vdbg(dwc->dev, "queing request %p to %s length %d\n", - request, ep->name, request->length); trace_dwc3_ep_queue(req); ret = __dwc3_gadget_ep_queue(dep, req); @@ -1460,7 +1467,7 @@ static int dwc3_gadget_run_stop(struct dwc3 *dwc, int is_on, int suspend) udelay(1); } while (1); - dev_vdbg(dwc->dev, "gadget %s data soft-%s\n", + dwc3_trace(trace_dwc3_gadget, "gadget %s data soft-%s", dwc->gadget_driver ? dwc->gadget_driver->function : "no-function", is_on ? "connect" : "disconnect"); @@ -1680,7 +1687,7 @@ static int dwc3_gadget_init_hw_endpoints(struct dwc3 *dwc, dep->endpoint.name = dep->name; - dev_vdbg(dwc->dev, "initializing %s\n", dep->name); + dwc3_trace(trace_dwc3_gadget, "initializing %s", dep->name); if (epnum == 0 || epnum == 1) { usb_ep_set_maxpacket_limit(&dep->endpoint, 512); @@ -1717,13 +1724,15 @@ static int dwc3_gadget_init_endpoints(struct dwc3 *dwc) ret = dwc3_gadget_init_hw_endpoints(dwc, dwc->num_out_eps, 0); if (ret < 0) { - dev_vdbg(dwc->dev, "failed to allocate OUT endpoints\n"); + dwc3_trace(trace_dwc3_gadget, + "failed to allocate OUT endpoints"); return ret; } ret = dwc3_gadget_init_hw_endpoints(dwc, dwc->num_in_eps, 1); if (ret < 0) { - dev_vdbg(dwc->dev, "failed to allocate IN endpoints\n"); + dwc3_trace(trace_dwc3_gadget, + "failed to allocate IN endpoints"); return ret; } @@ -1969,7 +1978,7 @@ static void dwc3_endpoint_interrupt(struct dwc3 *dwc, } else { int ret; - dev_vdbg(dwc->dev, "%s: reason %s\n", + dwc3_trace(trace_dwc3_gadget, "%s: reason %s", dep->name, event->status & DEPEVT_STATUS_TRANSFER_ACTIVE ? "Transfer Active" @@ -1993,7 +2002,8 @@ static void dwc3_endpoint_interrupt(struct dwc3 *dwc, switch (event->status) { case DEPEVT_STREAMEVT_FOUND: - dev_vdbg(dwc->dev, "Stream %d found and started\n", + dwc3_trace(trace_dwc3_gadget, + "Stream %d found and started", event->parameters); break; @@ -2007,7 +2017,7 @@ static void dwc3_endpoint_interrupt(struct dwc3 *dwc, dev_dbg(dwc->dev, "%s FIFO Overrun\n", dep->name); break; case DWC3_DEPEVT_EPCMDCMPLT: - dev_vdbg(dwc->dev, "Endpoint Command Complete\n"); + dwc3_trace(trace_dwc3_gadget, "Endpoint Command Complete"); break; } } @@ -2381,7 +2391,8 @@ static void dwc3_gadget_linksts_change_interrupt(struct dwc3 *dwc, (pwropt != DWC3_GHWPARAMS1_EN_PWROPT_HIB)) { if ((dwc->link_state == DWC3_LINK_STATE_U3) && (next == DWC3_LINK_STATE_RESUME)) { - dev_vdbg(dwc->dev, "ignoring transition U3 -> Resume\n"); + dwc3_trace(trace_dwc3_gadget, + "ignoring transition U3 -> Resume"); return; } } @@ -2503,19 +2514,19 @@ static void dwc3_gadget_interrupt(struct dwc3 *dwc, dwc3_gadget_linksts_change_interrupt(dwc, event->event_info); break; case DWC3_DEVICE_EVENT_EOPF: - dev_vdbg(dwc->dev, "End of Periodic Frame\n"); + dwc3_trace(trace_dwc3_gadget, "End of Periodic Frame"); break; case DWC3_DEVICE_EVENT_SOF: - dev_vdbg(dwc->dev, "Start of Periodic Frame\n"); + dwc3_trace(trace_dwc3_gadget, "Start of Periodic Frame"); break; case DWC3_DEVICE_EVENT_ERRATIC_ERROR: - dev_vdbg(dwc->dev, "Erratic Error\n"); + dwc3_trace(trace_dwc3_gadget, "Erratic Error"); break; case DWC3_DEVICE_EVENT_CMD_CMPL: - dev_vdbg(dwc->dev, "Command Complete\n"); + dwc3_trace(trace_dwc3_gadget, "Command Complete"); break; case DWC3_DEVICE_EVENT_OVERFLOW: - dev_vdbg(dwc->dev, "Overflow\n"); + dwc3_trace(trace_dwc3_gadget, "Overflow"); break; default: dev_WARN(dwc->dev, "UNKNOWN IRQ %d\n", event->type); -- 2.11.0