| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Robert Jarzmik | 1464 | 97.67% | 8 | 47.06% |
| Robert Baldyga | 20 | 1.33% | 1 | 5.88% |
| Felipe Balbi | 7 | 0.47% | 1 | 5.88% |
| Greg Kroah-Hartman | 3 | 0.20% | 3 | 17.65% |
| Joe Perches | 2 | 0.13% | 1 | 5.88% |
| Heikki Krogerus | 1 | 0.07% | 1 | 5.88% |
| Matt Reimer | 1 | 0.07% | 1 | 5.88% |
| Tom Rix | 1 | 0.07% | 1 | 5.88% |
| Total | 1499 | 17 |
// SPDX-License-Identifier: GPL-2.0+ /* * linux/drivers/usb/gadget/pxa27x_udc.h * Intel PXA27x on-chip full speed USB device controller * * Inspired by original driver by Frank Becker, David Brownell, and others. * Copyright (C) 2008 Robert Jarzmik */ #ifndef __LINUX_USB_GADGET_PXA27X_H #define __LINUX_USB_GADGET_PXA27X_H #include <linux/types.h> #include <linux/spinlock.h> #include <linux/io.h> #include <linux/usb/otg.h> /* * Register definitions */ /* Offsets */ #define UDCCR 0x0000 /* UDC Control Register */ #define UDCICR0 0x0004 /* UDC Interrupt Control Register0 */ #define UDCICR1 0x0008 /* UDC Interrupt Control Register1 */ #define UDCISR0 0x000C /* UDC Interrupt Status Register 0 */ #define UDCISR1 0x0010 /* UDC Interrupt Status Register 1 */ #define UDCFNR 0x0014 /* UDC Frame Number Register */ #define UDCOTGICR 0x0018 /* UDC On-The-Go interrupt control */ #define UP2OCR 0x0020 /* USB Port 2 Output Control register */ #define UP3OCR 0x0024 /* USB Port 3 Output Control register */ #define UDCCSRn(x) (0x0100 + ((x)<<2)) /* UDC Control/Status register */ #define UDCBCRn(x) (0x0200 + ((x)<<2)) /* UDC Byte Count Register */ #define UDCDRn(x) (0x0300 + ((x)<<2)) /* UDC Data Register */ #define UDCCRn(x) (0x0400 + ((x)<<2)) /* UDC Control Register */ #define UDCCR_OEN (1 << 31) /* On-the-Go Enable */ #define UDCCR_AALTHNP (1 << 30) /* A-device Alternate Host Negotiation Protocol Port Support */ #define UDCCR_AHNP (1 << 29) /* A-device Host Negotiation Protocol Support */ #define UDCCR_BHNP (1 << 28) /* B-device Host Negotiation Protocol Enable */ #define UDCCR_DWRE (1 << 16) /* Device Remote Wake-up Enable */ #define UDCCR_ACN (0x03 << 11) /* Active UDC configuration Number */ #define UDCCR_ACN_S 11 #define UDCCR_AIN (0x07 << 8) /* Active UDC interface Number */ #define UDCCR_AIN_S 8 #define UDCCR_AAISN (0x07 << 5) /* Active UDC Alternate Interface Setting Number */ #define UDCCR_AAISN_S 5 #define UDCCR_SMAC (1 << 4) /* Switch Endpoint Memory to Active Configuration */ #define UDCCR_EMCE (1 << 3) /* Endpoint Memory Configuration Error */ #define UDCCR_UDR (1 << 2) /* UDC Resume */ #define UDCCR_UDA (1 << 1) /* UDC Active */ #define UDCCR_UDE (1 << 0) /* UDC Enable */ #define UDCICR_INT(n, intr) (((intr) & 0x03) << (((n) & 0x0F) * 2)) #define UDCICR1_IECC (1 << 31) /* IntEn - Configuration Change */ #define UDCICR1_IESOF (1 << 30) /* IntEn - Start of Frame */ #define UDCICR1_IERU (1 << 29) /* IntEn - Resume */ #define UDCICR1_IESU (1 << 28) /* IntEn - Suspend */ #define UDCICR1_IERS (1 << 27) /* IntEn - Reset */ #define UDCICR_FIFOERR (1 << 1) /* FIFO Error interrupt for EP */ #define UDCICR_PKTCOMPL (1 << 0) /* Packet Complete interrupt for EP */ #define UDCICR_INT_MASK (UDCICR_FIFOERR | UDCICR_PKTCOMPL) #define UDCISR_INT(n, intr) (((intr) & 0x03) << (((n) & 0x0F) * 2)) #define UDCISR1_IRCC (1 << 31) /* IntReq - Configuration Change */ #define UDCISR1_IRSOF (1 << 30) /* IntReq - Start of Frame */ #define UDCISR1_IRRU (1 << 29) /* IntReq - Resume */ #define UDCISR1_IRSU (1 << 28) /* IntReq - Suspend */ #define UDCISR1_IRRS (1 << 27) /* IntReq - Reset */ #define UDCISR_INT_MASK (UDCICR_FIFOERR | UDCICR_PKTCOMPL) #define UDCOTGICR_IESF (1 << 24) /* OTG SET_FEATURE command recvd */ #define UDCOTGICR_IEXR (1 << 17) /* Extra Transceiver Interrupt Rising Edge Interrupt Enable */ #define UDCOTGICR_IEXF (1 << 16) /* Extra Transceiver Interrupt Falling Edge Interrupt Enable */ #define UDCOTGICR_IEVV40R (1 << 9) /* OTG Vbus Valid 4.0V Rising Edge Interrupt Enable */ #define UDCOTGICR_IEVV40F (1 << 8) /* OTG Vbus Valid 4.0V Falling Edge Interrupt Enable */ #define UDCOTGICR_IEVV44R (1 << 7) /* OTG Vbus Valid 4.4V Rising Edge Interrupt Enable */ #define UDCOTGICR_IEVV44F (1 << 6) /* OTG Vbus Valid 4.4V Falling Edge Interrupt Enable */ #define UDCOTGICR_IESVR (1 << 5) /* OTG Session Valid Rising Edge Interrupt Enable */ #define UDCOTGICR_IESVF (1 << 4) /* OTG Session Valid Falling Edge Interrupt Enable */ #define UDCOTGICR_IESDR (1 << 3) /* OTG A-Device SRP Detect Rising Edge Interrupt Enable */ #define UDCOTGICR_IESDF (1 << 2) /* OTG A-Device SRP Detect Falling Edge Interrupt Enable */ #define UDCOTGICR_IEIDR (1 << 1) /* OTG ID Change Rising Edge Interrupt Enable */ #define UDCOTGICR_IEIDF (1 << 0) /* OTG ID Change Falling Edge Interrupt Enable */ /* Host Port 2 field bits */ #define UP2OCR_CPVEN (1 << 0) /* Charge Pump Vbus Enable */ #define UP2OCR_CPVPE (1 << 1) /* Charge Pump Vbus Pulse Enable */ /* Transceiver enablers */ #define UP2OCR_DPPDE (1 << 2) /* D+ Pull Down Enable */ #define UP2OCR_DMPDE (1 << 3) /* D- Pull Down Enable */ #define UP2OCR_DPPUE (1 << 4) /* D+ Pull Up Enable */ #define UP2OCR_DMPUE (1 << 5) /* D- Pull Up Enable */ #define UP2OCR_DPPUBE (1 << 6) /* D+ Pull Up Bypass Enable */ #define UP2OCR_DMPUBE (1 << 7) /* D- Pull Up Bypass Enable */ #define UP2OCR_EXSP (1 << 8) /* External Transceiver Speed Control */ #define UP2OCR_EXSUS (1 << 9) /* External Transceiver Speed Enable */ #define UP2OCR_IDON (1 << 10) /* OTG ID Read Enable */ #define UP2OCR_HXS (1 << 16) /* Transceiver Output Select */ #define UP2OCR_HXOE (1 << 17) /* Transceiver Output Enable */ #define UP2OCR_SEOS (1 << 24) /* Single-Ended Output Select */ #define UDCCSR0_ACM (1 << 9) /* Ack Control Mode */ #define UDCCSR0_AREN (1 << 8) /* Ack Response Enable */ #define UDCCSR0_SA (1 << 7) /* Setup Active */ #define UDCCSR0_RNE (1 << 6) /* Receive FIFO Not Empty */ #define UDCCSR0_FST (1 << 5) /* Force Stall */ #define UDCCSR0_SST (1 << 4) /* Sent Stall */ #define UDCCSR0_DME (1 << 3) /* DMA Enable */ #define UDCCSR0_FTF (1 << 2) /* Flush Transmit FIFO */ #define UDCCSR0_IPR (1 << 1) /* IN Packet Ready */ #define UDCCSR0_OPC (1 << 0) /* OUT Packet Complete */ #define UDCCSR_DPE (1 << 9) /* Data Packet Error */ #define UDCCSR_FEF (1 << 8) /* Flush Endpoint FIFO */ #define UDCCSR_SP (1 << 7) /* Short Packet Control/Status */ #define UDCCSR_BNE (1 << 6) /* Buffer Not Empty (IN endpoints) */ #define UDCCSR_BNF (1 << 6) /* Buffer Not Full (OUT endpoints) */ #define UDCCSR_FST (1 << 5) /* Force STALL */ #define UDCCSR_SST (1 << 4) /* Sent STALL */ #define UDCCSR_DME (1 << 3) /* DMA Enable */ #define UDCCSR_TRN (1 << 2) /* Tx/Rx NAK */ #define UDCCSR_PC (1 << 1) /* Packet Complete */ #define UDCCSR_FS (1 << 0) /* FIFO needs service */ #define UDCCONR_CN (0x03 << 25) /* Configuration Number */ #define UDCCONR_CN_S 25 #define UDCCONR_IN (0x07 << 22) /* Interface Number */ #define UDCCONR_IN_S 22 #define UDCCONR_AISN (0x07 << 19) /* Alternate Interface Number */ #define UDCCONR_AISN_S 19 #define UDCCONR_EN (0x0f << 15) /* Endpoint Number */ #define UDCCONR_EN_S 15 #define UDCCONR_ET (0x03 << 13) /* Endpoint Type: */ #define UDCCONR_ET_S 13 #define UDCCONR_ET_INT (0x03 << 13) /* Interrupt */ #define UDCCONR_ET_BULK (0x02 << 13) /* Bulk */ #define UDCCONR_ET_ISO (0x01 << 13) /* Isochronous */ #define UDCCONR_ET_NU (0x00 << 13) /* Not used */ #define UDCCONR_ED (1 << 12) /* Endpoint Direction */ #define UDCCONR_MPS (0x3ff << 2) /* Maximum Packet Size */ #define UDCCONR_MPS_S 2 #define UDCCONR_DE (1 << 1) /* Double Buffering Enable */ #define UDCCONR_EE (1 << 0) /* Endpoint Enable */ #define UDCCR_MASK_BITS (UDCCR_OEN | UDCCR_SMAC | UDCCR_UDR | UDCCR_UDE) #define UDCCSR_WR_MASK (UDCCSR_DME | UDCCSR_FST) #define UDC_FNR_MASK (0x7ff) #define UDC_BCR_MASK (0x3ff) /* * UDCCR = UDC Endpoint Configuration Registers * UDCCSR = UDC Control/Status Register for this EP * UDCBCR = UDC Byte Count Remaining (contents of OUT fifo) * UDCDR = UDC Endpoint Data Register (the fifo) */ #define ofs_UDCCR(ep) (UDCCRn(ep->idx)) #define ofs_UDCCSR(ep) (UDCCSRn(ep->idx)) #define ofs_UDCBCR(ep) (UDCBCRn(ep->idx)) #define ofs_UDCDR(ep) (UDCDRn(ep->idx)) /* Register access macros */ #define udc_ep_readl(ep, reg) \ __raw_readl((ep)->dev->regs + ofs_##reg(ep)) #define udc_ep_writel(ep, reg, value) \ __raw_writel((value), ep->dev->regs + ofs_##reg(ep)) #define udc_ep_readb(ep, reg) \ __raw_readb((ep)->dev->regs + ofs_##reg(ep)) #define udc_ep_writeb(ep, reg, value) \ __raw_writeb((value), ep->dev->regs + ofs_##reg(ep)) #define udc_readl(dev, reg) \ __raw_readl((dev)->regs + (reg)) #define udc_writel(udc, reg, value) \ __raw_writel((value), (udc)->regs + (reg)) #define UDCCSR_MASK (UDCCSR_FST | UDCCSR_DME) #define UDCCISR0_EP_MASK ~0 #define UDCCISR1_EP_MASK 0xffff #define UDCCSR0_CTRL_REQ_MASK (UDCCSR0_OPC | UDCCSR0_SA | UDCCSR0_RNE) #define EPIDX(ep) (ep->idx) #define EPADDR(ep) (ep->addr) #define EPXFERTYPE(ep) (ep->type) #define EPNAME(ep) (ep->name) #define is_ep0(ep) (!ep->idx) #define EPXFERTYPE_is_ISO(ep) (EPXFERTYPE(ep) == USB_ENDPOINT_XFER_ISOC) /* * Endpoint definitions * * Once enabled, pxa endpoint configuration is freezed, and cannot change * unless a reset happens or the udc is disabled. * Therefore, we must define all pxa potential endpoint definitions needed for * all gadget and set them up before the udc is enabled. * * As the architecture chosen is fully static, meaning the pxa endpoint * configurations are set up once and for all, we must provide a way to match * one usb endpoint (usb_ep) to several pxa endpoints. The reason is that gadget * layer autoconf doesn't choose the usb_ep endpoint on (config, interface, alt) * criteria, while the pxa architecture requires that. * * The solution is to define several pxa endpoints matching one usb_ep. Ex: * - "ep1-in" matches pxa endpoint EPA (which is an IN ep at addr 1, when * the udc talks on (config=3, interface=0, alt=0) * - "ep1-in" matches pxa endpoint EPB (which is an IN ep at addr 1, when * the udc talks on (config=3, interface=0, alt=1) * - "ep1-in" matches pxa endpoint EPC (which is an IN ep at addr 1, when * the udc talks on (config=2, interface=0, alt=0) * * We'll define the pxa endpoint by its index (EPA => idx=1, EPB => idx=2, ...) */ /* * Endpoint definition helpers */ #define USB_EP_DEF(addr, bname, dir, type, maxpkt, ctype, cdir) \ { .usb_ep = { .name = bname, .ops = &pxa_ep_ops, .maxpacket = maxpkt, \ .caps = USB_EP_CAPS(ctype, cdir), }, \ .desc = { .bEndpointAddress = addr | (dir ? USB_DIR_IN : 0), \ .bmAttributes = USB_ENDPOINT_XFER_ ## type, \ .wMaxPacketSize = maxpkt, }, \ .dev = &memory \ } #define USB_EP_BULK(addr, bname, dir, cdir) \ USB_EP_DEF(addr, bname, dir, BULK, BULK_FIFO_SIZE, \ USB_EP_CAPS_TYPE_BULK, cdir) #define USB_EP_ISO(addr, bname, dir, cdir) \ USB_EP_DEF(addr, bname, dir, ISOC, ISO_FIFO_SIZE, \ USB_EP_CAPS_TYPE_ISO, cdir) #define USB_EP_INT(addr, bname, dir, cdir) \ USB_EP_DEF(addr, bname, dir, INT, INT_FIFO_SIZE, \ USB_EP_CAPS_TYPE_INT, cdir) #define USB_EP_IN_BULK(n) USB_EP_BULK(n, "ep" #n "in-bulk", 1, \ USB_EP_CAPS_DIR_IN) #define USB_EP_OUT_BULK(n) USB_EP_BULK(n, "ep" #n "out-bulk", 0, \ USB_EP_CAPS_DIR_OUT) #define USB_EP_IN_ISO(n) USB_EP_ISO(n, "ep" #n "in-iso", 1, \ USB_EP_CAPS_DIR_IN) #define USB_EP_OUT_ISO(n) USB_EP_ISO(n, "ep" #n "out-iso", 0, \ USB_EP_CAPS_DIR_OUT) #define USB_EP_IN_INT(n) USB_EP_INT(n, "ep" #n "in-int", 1, \ USB_EP_CAPS_DIR_IN) #define USB_EP_CTRL USB_EP_DEF(0, "ep0", 0, CONTROL, EP0_FIFO_SIZE, \ USB_EP_CAPS_TYPE_CONTROL, USB_EP_CAPS_DIR_ALL) #define PXA_EP_DEF(_idx, _addr, dir, _type, maxpkt, _config, iface, altset) \ { \ .dev = &memory, \ .name = "ep" #_idx, \ .idx = _idx, .enabled = 0, \ .dir_in = dir, .addr = _addr, \ .config = _config, .interface = iface, .alternate = altset, \ .type = _type, .fifo_size = maxpkt, \ } #define PXA_EP_BULK(_idx, addr, dir, config, iface, alt) \ PXA_EP_DEF(_idx, addr, dir, USB_ENDPOINT_XFER_BULK, BULK_FIFO_SIZE, \ config, iface, alt) #define PXA_EP_ISO(_idx, addr, dir, config, iface, alt) \ PXA_EP_DEF(_idx, addr, dir, USB_ENDPOINT_XFER_ISOC, ISO_FIFO_SIZE, \ config, iface, alt) #define PXA_EP_INT(_idx, addr, dir, config, iface, alt) \ PXA_EP_DEF(_idx, addr, dir, USB_ENDPOINT_XFER_INT, INT_FIFO_SIZE, \ config, iface, alt) #define PXA_EP_IN_BULK(i, adr, c, f, a) PXA_EP_BULK(i, adr, 1, c, f, a) #define PXA_EP_OUT_BULK(i, adr, c, f, a) PXA_EP_BULK(i, adr, 0, c, f, a) #define PXA_EP_IN_ISO(i, adr, c, f, a) PXA_EP_ISO(i, adr, 1, c, f, a) #define PXA_EP_OUT_ISO(i, adr, c, f, a) PXA_EP_ISO(i, adr, 0, c, f, a) #define PXA_EP_IN_INT(i, adr, c, f, a) PXA_EP_INT(i, adr, 1, c, f, a) #define PXA_EP_CTRL PXA_EP_DEF(0, 0, 0, 0, EP0_FIFO_SIZE, 0, 0, 0) struct pxa27x_udc; struct stats { unsigned long in_ops; unsigned long out_ops; unsigned long in_bytes; unsigned long out_bytes; unsigned long irqs; }; /** * struct udc_usb_ep - container of each usb_ep structure * @usb_ep: usb endpoint * @desc: usb descriptor, especially type and address * @dev: udc managing this endpoint * @pxa_ep: matching pxa_ep (cache of find_pxa_ep() call) */ struct udc_usb_ep { struct usb_ep usb_ep; struct usb_endpoint_descriptor desc; struct pxa_udc *dev; struct pxa_ep *pxa_ep; }; /** * struct pxa_ep - pxa endpoint * @dev: udc device * @queue: requests queue * @lock: lock to pxa_ep data (queues and stats) * @enabled: true when endpoint enabled (not stopped by gadget layer) * @in_handle_ep: number of recursions of handle_ep() function * Prevents deadlocks or infinite recursions of types : * irq->handle_ep()->req_done()->req.complete()->pxa_ep_queue()->handle_ep() * or * pxa_ep_queue()->handle_ep()->req_done()->req.complete()->pxa_ep_queue() * @idx: endpoint index (1 => epA, 2 => epB, ..., 24 => epX) * @name: endpoint name (for trace/debug purpose) * @dir_in: 1 if IN endpoint, 0 if OUT endpoint * @addr: usb endpoint number * @config: configuration in which this endpoint is active * @interface: interface in which this endpoint is active * @alternate: altsetting in which this endpoint is active * @fifo_size: max packet size in the endpoint fifo * @type: endpoint type (bulk, iso, int, ...) * @udccsr_value: save register of UDCCSR0 for suspend/resume * @udccr_value: save register of UDCCR for suspend/resume * @stats: endpoint statistics * * The *PROBLEM* is that pxa's endpoint configuration scheme is both misdesigned * (cares about config/interface/altsetting, thus placing needless limits on * device capability) and full of implementation bugs forcing it to be set up * for use more or less like a pxa255. * * As we define the pxa_ep statically, we must guess all needed pxa_ep for all * gadget which may work with this udc driver. */ struct pxa_ep { struct pxa_udc *dev; struct list_head queue; spinlock_t lock; /* Protects this structure */ /* (queues, stats) */ unsigned enabled:1; unsigned in_handle_ep:1; unsigned idx:5; char *name; /* * Specific pxa endpoint data, needed for hardware initialization */ unsigned dir_in:1; unsigned addr:4; unsigned config:2; unsigned interface:3; unsigned alternate:3; unsigned fifo_size; unsigned type; #ifdef CONFIG_PM u32 udccsr_value; u32 udccr_value; #endif struct stats stats; }; /** * struct pxa27x_request - container of each usb_request structure * @req: usb request * @udc_usb_ep: usb endpoint the request was submitted on * @in_use: sanity check if request already queued on an pxa_ep * @queue: linked list of requests, linked on pxa_ep->queue */ struct pxa27x_request { struct usb_request req; struct udc_usb_ep *udc_usb_ep; unsigned in_use:1; struct list_head queue; }; enum ep0_state { WAIT_FOR_SETUP, SETUP_STAGE, IN_DATA_STAGE, OUT_DATA_STAGE, IN_STATUS_STAGE, OUT_STATUS_STAGE, STALL, WAIT_ACK_SET_CONF_INTERF }; static char *ep0_state_name[] = { "WAIT_FOR_SETUP", "SETUP_STAGE", "IN_DATA_STAGE", "OUT_DATA_STAGE", "IN_STATUS_STAGE", "OUT_STATUS_STAGE", "STALL", "WAIT_ACK_SET_CONF_INTERF" }; #define EP0_STNAME(udc) ep0_state_name[(udc)->ep0state] #define EP0_FIFO_SIZE 16U #define BULK_FIFO_SIZE 64U #define ISO_FIFO_SIZE 256U #define INT_FIFO_SIZE 16U struct udc_stats { unsigned long irqs_reset; unsigned long irqs_suspend; unsigned long irqs_resume; unsigned long irqs_reconfig; }; #define NR_USB_ENDPOINTS (1 + 5) /* ep0 + ep1in-bulk + .. + ep3in-iso */ #define NR_PXA_ENDPOINTS (1 + 14) /* ep0 + epA + epB + .. + epX */ /** * struct pxa_udc - udc structure * @regs: mapped IO space * @irq: udc irq * @clk: udc clock * @usb_gadget: udc gadget structure * @driver: bound gadget (zero, g_ether, g_mass_storage, ...) * @dev: device * @udc_command: machine specific function to activate D+ pullup * @gpiod: gpio descriptor of gpio for D+ pullup (or NULL if none) * @transceiver: external transceiver to handle vbus sense and D+ pullup * @ep0state: control endpoint state machine state * @stats: statistics on udc usage * @udc_usb_ep: array of usb endpoints offered by the gadget * @pxa_ep: array of pxa available endpoints * @enabled: UDC was enabled by a previous udc_enable() * @pullup_on: if pullup resistor connected to D+ pin * @pullup_resume: if pullup resistor should be connected to D+ pin on resume * @config: UDC active configuration * @last_interface: UDC interface of the last SET_INTERFACE host request * @last_alternate: UDC altsetting of the last SET_INTERFACE host request * @udccsr0: save of udccsr0 in case of suspend * @debugfs_state: debugfs entry for "udcstate" * @debugfs_queues: debugfs entry for "queues" * @debugfs_eps: debugfs entry for "epstate" */ struct pxa_udc { void __iomem *regs; int irq; struct clk *clk; struct usb_gadget gadget; struct usb_gadget_driver *driver; struct device *dev; void (*udc_command)(int); struct gpio_desc *gpiod; struct usb_phy *transceiver; enum ep0_state ep0state; struct udc_stats stats; struct udc_usb_ep udc_usb_ep[NR_USB_ENDPOINTS]; struct pxa_ep pxa_ep[NR_PXA_ENDPOINTS]; unsigned enabled:1; unsigned pullup_on:1; unsigned pullup_resume:1; unsigned vbus_sensed:1; unsigned config:2; unsigned last_interface:3; unsigned last_alternate:3; #ifdef CONFIG_PM unsigned udccsr0; #endif }; #define to_pxa(g) (container_of((g), struct pxa_udc, gadget)) static inline struct pxa_udc *to_gadget_udc(struct usb_gadget *gadget) { return container_of(gadget, struct pxa_udc, gadget); } /* * Debugging/message support */ #define ep_dbg(ep, fmt, arg...) \ dev_dbg(ep->dev->dev, "%s:%s: " fmt, EPNAME(ep), __func__, ## arg) #define ep_vdbg(ep, fmt, arg...) \ dev_vdbg(ep->dev->dev, "%s:%s: " fmt, EPNAME(ep), __func__, ## arg) #define ep_err(ep, fmt, arg...) \ dev_err(ep->dev->dev, "%s:%s: " fmt, EPNAME(ep), __func__, ## arg) #define ep_info(ep, fmt, arg...) \ dev_info(ep->dev->dev, "%s:%s: " fmt, EPNAME(ep), __func__, ## arg) #define ep_warn(ep, fmt, arg...) \ dev_warn(ep->dev->dev, "%s:%s:" fmt, EPNAME(ep), __func__, ## arg) #endif /* __LINUX_USB_GADGET_PXA27X_H */
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