diff options
Diffstat (limited to 'drivers/usb/dwc3/debugfs.c')
| -rw-r--r-- | drivers/usb/dwc3/debugfs.c | 690 |
1 files changed, 0 insertions, 690 deletions
diff --git a/drivers/usb/dwc3/debugfs.c b/drivers/usb/dwc3/debugfs.c deleted file mode 100644 index 9ac37fe..0000000 --- a/drivers/usb/dwc3/debugfs.c +++ /dev/null @@ -1,690 +0,0 @@ -/** - * debugfs.c - DesignWare USB3 DRD Controller DebugFS file - * - * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com - * - * Authors: Felipe Balbi <balbi@ti.com>, - * Sebastian Andrzej Siewior <bigeasy@linutronix.de> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 of - * the License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/ptrace.h> -#include <linux/types.h> -#include <linux/spinlock.h> -#include <linux/debugfs.h> -#include <linux/seq_file.h> -#include <linux/delay.h> -#include <linux/uaccess.h> - -#include <linux/usb/ch9.h> - -#include "core.h" -#include "gadget.h" -#include "io.h" -#include "debug.h" - -#define dump_register(nm) \ -{ \ - .name = __stringify(nm), \ - .offset = DWC3_ ##nm - DWC3_GLOBALS_REGS_START, \ -} - -static const struct debugfs_reg32 dwc3_regs[] = { - dump_register(GSBUSCFG0), - dump_register(GSBUSCFG1), - dump_register(GTXTHRCFG), - dump_register(GRXTHRCFG), - dump_register(GCTL), - dump_register(GEVTEN), - dump_register(GSTS), - dump_register(GSNPSID), - dump_register(GGPIO), - dump_register(GUID), - dump_register(GUCTL), - dump_register(GBUSERRADDR0), - dump_register(GBUSERRADDR1), - dump_register(GPRTBIMAP0), - dump_register(GPRTBIMAP1), - dump_register(GHWPARAMS0), - dump_register(GHWPARAMS1), - dump_register(GHWPARAMS2), - dump_register(GHWPARAMS3), - dump_register(GHWPARAMS4), - dump_register(GHWPARAMS5), - dump_register(GHWPARAMS6), - dump_register(GHWPARAMS7), - dump_register(GDBGFIFOSPACE), - dump_register(GDBGLTSSM), - dump_register(GPRTBIMAP_HS0), - dump_register(GPRTBIMAP_HS1), - dump_register(GPRTBIMAP_FS0), - dump_register(GPRTBIMAP_FS1), - - dump_register(GUSB2PHYCFG(0)), - dump_register(GUSB2PHYCFG(1)), - dump_register(GUSB2PHYCFG(2)), - dump_register(GUSB2PHYCFG(3)), - dump_register(GUSB2PHYCFG(4)), - dump_register(GUSB2PHYCFG(5)), - dump_register(GUSB2PHYCFG(6)), - dump_register(GUSB2PHYCFG(7)), - dump_register(GUSB2PHYCFG(8)), - dump_register(GUSB2PHYCFG(9)), - dump_register(GUSB2PHYCFG(10)), - dump_register(GUSB2PHYCFG(11)), - dump_register(GUSB2PHYCFG(12)), - dump_register(GUSB2PHYCFG(13)), - dump_register(GUSB2PHYCFG(14)), - dump_register(GUSB2PHYCFG(15)), - - dump_register(GUSB2I2CCTL(0)), - dump_register(GUSB2I2CCTL(1)), - dump_register(GUSB2I2CCTL(2)), - dump_register(GUSB2I2CCTL(3)), - dump_register(GUSB2I2CCTL(4)), - dump_register(GUSB2I2CCTL(5)), - dump_register(GUSB2I2CCTL(6)), - dump_register(GUSB2I2CCTL(7)), - dump_register(GUSB2I2CCTL(8)), - dump_register(GUSB2I2CCTL(9)), - dump_register(GUSB2I2CCTL(10)), - dump_register(GUSB2I2CCTL(11)), - dump_register(GUSB2I2CCTL(12)), - dump_register(GUSB2I2CCTL(13)), - dump_register(GUSB2I2CCTL(14)), - dump_register(GUSB2I2CCTL(15)), - - dump_register(GUSB2PHYACC(0)), - dump_register(GUSB2PHYACC(1)), - dump_register(GUSB2PHYACC(2)), - dump_register(GUSB2PHYACC(3)), - dump_register(GUSB2PHYACC(4)), - dump_register(GUSB2PHYACC(5)), - dump_register(GUSB2PHYACC(6)), - dump_register(GUSB2PHYACC(7)), - dump_register(GUSB2PHYACC(8)), - dump_register(GUSB2PHYACC(9)), - dump_register(GUSB2PHYACC(10)), - dump_register(GUSB2PHYACC(11)), - dump_register(GUSB2PHYACC(12)), - dump_register(GUSB2PHYACC(13)), - dump_register(GUSB2PHYACC(14)), - dump_register(GUSB2PHYACC(15)), - - dump_register(GUSB3PIPECTL(0)), - dump_register(GUSB3PIPECTL(1)), - dump_register(GUSB3PIPECTL(2)), - dump_register(GUSB3PIPECTL(3)), - dump_register(GUSB3PIPECTL(4)), - dump_register(GUSB3PIPECTL(5)), - dump_register(GUSB3PIPECTL(6)), - dump_register(GUSB3PIPECTL(7)), - dump_register(GUSB3PIPECTL(8)), - dump_register(GUSB3PIPECTL(9)), - dump_register(GUSB3PIPECTL(10)), - dump_register(GUSB3PIPECTL(11)), - dump_register(GUSB3PIPECTL(12)), - dump_register(GUSB3PIPECTL(13)), - dump_register(GUSB3PIPECTL(14)), - dump_register(GUSB3PIPECTL(15)), - - dump_register(GTXFIFOSIZ(0)), - dump_register(GTXFIFOSIZ(1)), - dump_register(GTXFIFOSIZ(2)), - dump_register(GTXFIFOSIZ(3)), - dump_register(GTXFIFOSIZ(4)), - dump_register(GTXFIFOSIZ(5)), - dump_register(GTXFIFOSIZ(6)), - dump_register(GTXFIFOSIZ(7)), - dump_register(GTXFIFOSIZ(8)), - dump_register(GTXFIFOSIZ(9)), - dump_register(GTXFIFOSIZ(10)), - dump_register(GTXFIFOSIZ(11)), - dump_register(GTXFIFOSIZ(12)), - dump_register(GTXFIFOSIZ(13)), - dump_register(GTXFIFOSIZ(14)), - dump_register(GTXFIFOSIZ(15)), - dump_register(GTXFIFOSIZ(16)), - dump_register(GTXFIFOSIZ(17)), - dump_register(GTXFIFOSIZ(18)), - dump_register(GTXFIFOSIZ(19)), - dump_register(GTXFIFOSIZ(20)), - dump_register(GTXFIFOSIZ(21)), - dump_register(GTXFIFOSIZ(22)), - dump_register(GTXFIFOSIZ(23)), - dump_register(GTXFIFOSIZ(24)), - dump_register(GTXFIFOSIZ(25)), - dump_register(GTXFIFOSIZ(26)), - dump_register(GTXFIFOSIZ(27)), - dump_register(GTXFIFOSIZ(28)), - dump_register(GTXFIFOSIZ(29)), - dump_register(GTXFIFOSIZ(30)), - dump_register(GTXFIFOSIZ(31)), - - dump_register(GRXFIFOSIZ(0)), - dump_register(GRXFIFOSIZ(1)), - dump_register(GRXFIFOSIZ(2)), - dump_register(GRXFIFOSIZ(3)), - dump_register(GRXFIFOSIZ(4)), - dump_register(GRXFIFOSIZ(5)), - dump_register(GRXFIFOSIZ(6)), - dump_register(GRXFIFOSIZ(7)), - dump_register(GRXFIFOSIZ(8)), - dump_register(GRXFIFOSIZ(9)), - dump_register(GRXFIFOSIZ(10)), - dump_register(GRXFIFOSIZ(11)), - dump_register(GRXFIFOSIZ(12)), - dump_register(GRXFIFOSIZ(13)), - dump_register(GRXFIFOSIZ(14)), - dump_register(GRXFIFOSIZ(15)), - dump_register(GRXFIFOSIZ(16)), - dump_register(GRXFIFOSIZ(17)), - dump_register(GRXFIFOSIZ(18)), - dump_register(GRXFIFOSIZ(19)), - dump_register(GRXFIFOSIZ(20)), - dump_register(GRXFIFOSIZ(21)), - dump_register(GRXFIFOSIZ(22)), - dump_register(GRXFIFOSIZ(23)), - dump_register(GRXFIFOSIZ(24)), - dump_register(GRXFIFOSIZ(25)), - dump_register(GRXFIFOSIZ(26)), - dump_register(GRXFIFOSIZ(27)), - dump_register(GRXFIFOSIZ(28)), - dump_register(GRXFIFOSIZ(29)), - dump_register(GRXFIFOSIZ(30)), - dump_register(GRXFIFOSIZ(31)), - - dump_register(GEVNTADRLO(0)), - dump_register(GEVNTADRHI(0)), - dump_register(GEVNTSIZ(0)), - dump_register(GEVNTCOUNT(0)), - - dump_register(GHWPARAMS8), - dump_register(DCFG), - dump_register(DCTL), - dump_register(DEVTEN), - dump_register(DSTS), - dump_register(DGCMDPAR), - dump_register(DGCMD), - dump_register(DALEPENA), - - dump_register(DEPCMDPAR2(0)), - dump_register(DEPCMDPAR2(1)), - dump_register(DEPCMDPAR2(2)), - dump_register(DEPCMDPAR2(3)), - dump_register(DEPCMDPAR2(4)), - dump_register(DEPCMDPAR2(5)), - dump_register(DEPCMDPAR2(6)), - dump_register(DEPCMDPAR2(7)), - dump_register(DEPCMDPAR2(8)), - dump_register(DEPCMDPAR2(9)), - dump_register(DEPCMDPAR2(10)), - dump_register(DEPCMDPAR2(11)), - dump_register(DEPCMDPAR2(12)), - dump_register(DEPCMDPAR2(13)), - dump_register(DEPCMDPAR2(14)), - dump_register(DEPCMDPAR2(15)), - dump_register(DEPCMDPAR2(16)), - dump_register(DEPCMDPAR2(17)), - dump_register(DEPCMDPAR2(18)), - dump_register(DEPCMDPAR2(19)), - dump_register(DEPCMDPAR2(20)), - dump_register(DEPCMDPAR2(21)), - dump_register(DEPCMDPAR2(22)), - dump_register(DEPCMDPAR2(23)), - dump_register(DEPCMDPAR2(24)), - dump_register(DEPCMDPAR2(25)), - dump_register(DEPCMDPAR2(26)), - dump_register(DEPCMDPAR2(27)), - dump_register(DEPCMDPAR2(28)), - dump_register(DEPCMDPAR2(29)), - dump_register(DEPCMDPAR2(30)), - dump_register(DEPCMDPAR2(31)), - - dump_register(DEPCMDPAR1(0)), - dump_register(DEPCMDPAR1(1)), - dump_register(DEPCMDPAR1(2)), - dump_register(DEPCMDPAR1(3)), - dump_register(DEPCMDPAR1(4)), - dump_register(DEPCMDPAR1(5)), - dump_register(DEPCMDPAR1(6)), - dump_register(DEPCMDPAR1(7)), - dump_register(DEPCMDPAR1(8)), - dump_register(DEPCMDPAR1(9)), - dump_register(DEPCMDPAR1(10)), - dump_register(DEPCMDPAR1(11)), - dump_register(DEPCMDPAR1(12)), - dump_register(DEPCMDPAR1(13)), - dump_register(DEPCMDPAR1(14)), - dump_register(DEPCMDPAR1(15)), - dump_register(DEPCMDPAR1(16)), - dump_register(DEPCMDPAR1(17)), - dump_register(DEPCMDPAR1(18)), - dump_register(DEPCMDPAR1(19)), - dump_register(DEPCMDPAR1(20)), - dump_register(DEPCMDPAR1(21)), - dump_register(DEPCMDPAR1(22)), - dump_register(DEPCMDPAR1(23)), - dump_register(DEPCMDPAR1(24)), - dump_register(DEPCMDPAR1(25)), - dump_register(DEPCMDPAR1(26)), - dump_register(DEPCMDPAR1(27)), - dump_register(DEPCMDPAR1(28)), - dump_register(DEPCMDPAR1(29)), - dump_register(DEPCMDPAR1(30)), - dump_register(DEPCMDPAR1(31)), - - dump_register(DEPCMDPAR0(0)), - dump_register(DEPCMDPAR0(1)), - dump_register(DEPCMDPAR0(2)), - dump_register(DEPCMDPAR0(3)), - dump_register(DEPCMDPAR0(4)), - dump_register(DEPCMDPAR0(5)), - dump_register(DEPCMDPAR0(6)), - dump_register(DEPCMDPAR0(7)), - dump_register(DEPCMDPAR0(8)), - dump_register(DEPCMDPAR0(9)), - dump_register(DEPCMDPAR0(10)), - dump_register(DEPCMDPAR0(11)), - dump_register(DEPCMDPAR0(12)), - dump_register(DEPCMDPAR0(13)), - dump_register(DEPCMDPAR0(14)), - dump_register(DEPCMDPAR0(15)), - dump_register(DEPCMDPAR0(16)), - dump_register(DEPCMDPAR0(17)), - dump_register(DEPCMDPAR0(18)), - dump_register(DEPCMDPAR0(19)), - dump_register(DEPCMDPAR0(20)), - dump_register(DEPCMDPAR0(21)), - dump_register(DEPCMDPAR0(22)), - dump_register(DEPCMDPAR0(23)), - dump_register(DEPCMDPAR0(24)), - dump_register(DEPCMDPAR0(25)), - dump_register(DEPCMDPAR0(26)), - dump_register(DEPCMDPAR0(27)), - dump_register(DEPCMDPAR0(28)), - dump_register(DEPCMDPAR0(29)), - dump_register(DEPCMDPAR0(30)), - dump_register(DEPCMDPAR0(31)), - - dump_register(DEPCMD(0)), - dump_register(DEPCMD(1)), - dump_register(DEPCMD(2)), - dump_register(DEPCMD(3)), - dump_register(DEPCMD(4)), - dump_register(DEPCMD(5)), - dump_register(DEPCMD(6)), - dump_register(DEPCMD(7)), - dump_register(DEPCMD(8)), - dump_register(DEPCMD(9)), - dump_register(DEPCMD(10)), - dump_register(DEPCMD(11)), - dump_register(DEPCMD(12)), - dump_register(DEPCMD(13)), - dump_register(DEPCMD(14)), - dump_register(DEPCMD(15)), - dump_register(DEPCMD(16)), - dump_register(DEPCMD(17)), - dump_register(DEPCMD(18)), - dump_register(DEPCMD(19)), - dump_register(DEPCMD(20)), - dump_register(DEPCMD(21)), - dump_register(DEPCMD(22)), - dump_register(DEPCMD(23)), - dump_register(DEPCMD(24)), - dump_register(DEPCMD(25)), - dump_register(DEPCMD(26)), - dump_register(DEPCMD(27)), - dump_register(DEPCMD(28)), - dump_register(DEPCMD(29)), - dump_register(DEPCMD(30)), - dump_register(DEPCMD(31)), - - dump_register(OCFG), - dump_register(OCTL), - dump_register(OEVT), - dump_register(OEVTEN), - dump_register(OSTS), -}; - -static int dwc3_mode_show(struct seq_file *s, void *unused) -{ - struct dwc3 *dwc = s->private; - unsigned long flags; - u32 reg; - - spin_lock_irqsave(&dwc->lock, flags); - reg = dwc3_readl(dwc->regs, DWC3_GCTL); - spin_unlock_irqrestore(&dwc->lock, flags); - - switch (DWC3_GCTL_PRTCAP(reg)) { - case DWC3_GCTL_PRTCAP_HOST: - seq_printf(s, "host\n"); - break; - case DWC3_GCTL_PRTCAP_DEVICE: - seq_printf(s, "device\n"); - break; - case DWC3_GCTL_PRTCAP_OTG: - seq_printf(s, "OTG\n"); - break; - default: - seq_printf(s, "UNKNOWN %08x\n", DWC3_GCTL_PRTCAP(reg)); - } - - return 0; -} - -static int dwc3_mode_open(struct inode *inode, struct file *file) -{ - return single_open(file, dwc3_mode_show, inode->i_private); -} - -static ssize_t dwc3_mode_write(struct file *file, - const char __user *ubuf, size_t count, loff_t *ppos) -{ - struct seq_file *s = file->private_data; - struct dwc3 *dwc = s->private; - unsigned long flags; - u32 mode = 0; - char buf[32]; - - if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count))) - return -EFAULT; - - if (!strncmp(buf, "host", 4)) - mode |= DWC3_GCTL_PRTCAP_HOST; - - if (!strncmp(buf, "device", 6)) - mode |= DWC3_GCTL_PRTCAP_DEVICE; - - if (!strncmp(buf, "otg", 3)) - mode |= DWC3_GCTL_PRTCAP_OTG; - - if (mode) { - spin_lock_irqsave(&dwc->lock, flags); - dwc3_set_mode(dwc, mode); - spin_unlock_irqrestore(&dwc->lock, flags); - } - return count; -} - -static const struct file_operations dwc3_mode_fops = { - .open = dwc3_mode_open, - .write = dwc3_mode_write, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -static int dwc3_testmode_show(struct seq_file *s, void *unused) -{ - struct dwc3 *dwc = s->private; - unsigned long flags; - u32 reg; - - spin_lock_irqsave(&dwc->lock, flags); - reg = dwc3_readl(dwc->regs, DWC3_DCTL); - reg &= DWC3_DCTL_TSTCTRL_MASK; - reg >>= 1; - spin_unlock_irqrestore(&dwc->lock, flags); - - switch (reg) { - case 0: - seq_printf(s, "no test\n"); - break; - case TEST_J: - seq_printf(s, "test_j\n"); - break; - case TEST_K: - seq_printf(s, "test_k\n"); - break; - case TEST_SE0_NAK: - seq_printf(s, "test_se0_nak\n"); - break; - case TEST_PACKET: - seq_printf(s, "test_packet\n"); - break; - case TEST_FORCE_EN: - seq_printf(s, "test_force_enable\n"); - break; - default: - seq_printf(s, "UNKNOWN %d\n", reg); - } - - return 0; -} - -static int dwc3_testmode_open(struct inode *inode, struct file *file) -{ - return single_open(file, dwc3_testmode_show, inode->i_private); -} - -static ssize_t dwc3_testmode_write(struct file *file, - const char __user *ubuf, size_t count, loff_t *ppos) -{ - struct seq_file *s = file->private_data; - struct dwc3 *dwc = s->private; - unsigned long flags; - u32 testmode = 0; - char buf[32]; - - if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count))) - return -EFAULT; - - if (!strncmp(buf, "test_j", 6)) - testmode = TEST_J; - else if (!strncmp(buf, "test_k", 6)) - testmode = TEST_K; - else if (!strncmp(buf, "test_se0_nak", 12)) - testmode = TEST_SE0_NAK; - else if (!strncmp(buf, "test_packet", 11)) - testmode = TEST_PACKET; - else if (!strncmp(buf, "test_force_enable", 17)) - testmode = TEST_FORCE_EN; - else - testmode = 0; - - spin_lock_irqsave(&dwc->lock, flags); - dwc3_gadget_set_test_mode(dwc, testmode); - spin_unlock_irqrestore(&dwc->lock, flags); - - return count; -} - -static const struct file_operations dwc3_testmode_fops = { - .open = dwc3_testmode_open, - .write = dwc3_testmode_write, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -static int dwc3_link_state_show(struct seq_file *s, void *unused) -{ - struct dwc3 *dwc = s->private; - unsigned long flags; - enum dwc3_link_state state; - u32 reg; - - spin_lock_irqsave(&dwc->lock, flags); - reg = dwc3_readl(dwc->regs, DWC3_DSTS); - state = DWC3_DSTS_USBLNKST(reg); - spin_unlock_irqrestore(&dwc->lock, flags); - - switch (state) { - case DWC3_LINK_STATE_U0: - seq_printf(s, "U0\n"); - break; - case DWC3_LINK_STATE_U1: - seq_printf(s, "U1\n"); - break; - case DWC3_LINK_STATE_U2: - seq_printf(s, "U2\n"); - break; - case DWC3_LINK_STATE_U3: - seq_printf(s, "U3\n"); - break; - case DWC3_LINK_STATE_SS_DIS: - seq_printf(s, "SS.Disabled\n"); - break; - case DWC3_LINK_STATE_RX_DET: - seq_printf(s, "Rx.Detect\n"); - break; - case DWC3_LINK_STATE_SS_INACT: - seq_printf(s, "SS.Inactive\n"); - break; - case DWC3_LINK_STATE_POLL: - seq_printf(s, "Poll\n"); - break; - case DWC3_LINK_STATE_RECOV: - seq_printf(s, "Recovery\n"); - break; - case DWC3_LINK_STATE_HRESET: - seq_printf(s, "HRESET\n"); - break; - case DWC3_LINK_STATE_CMPLY: - seq_printf(s, "Compliance\n"); - break; - case DWC3_LINK_STATE_LPBK: - seq_printf(s, "Loopback\n"); - break; - case DWC3_LINK_STATE_RESET: - seq_printf(s, "Reset\n"); - break; - case DWC3_LINK_STATE_RESUME: - seq_printf(s, "Resume\n"); - break; - default: - seq_printf(s, "UNKNOWN %d\n", state); - } - - return 0; -} - -static int dwc3_link_state_open(struct inode *inode, struct file *file) -{ - return single_open(file, dwc3_link_state_show, inode->i_private); -} - -static ssize_t dwc3_link_state_write(struct file *file, - const char __user *ubuf, size_t count, loff_t *ppos) -{ - struct seq_file *s = file->private_data; - struct dwc3 *dwc = s->private; - unsigned long flags; - enum dwc3_link_state state = 0; - char buf[32]; - - if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count))) - return -EFAULT; - - if (!strncmp(buf, "SS.Disabled", 11)) - state = DWC3_LINK_STATE_SS_DIS; - else if (!strncmp(buf, "Rx.Detect", 9)) - state = DWC3_LINK_STATE_RX_DET; - else if (!strncmp(buf, "SS.Inactive", 11)) - state = DWC3_LINK_STATE_SS_INACT; - else if (!strncmp(buf, "Recovery", 8)) - state = DWC3_LINK_STATE_RECOV; - else if (!strncmp(buf, "Compliance", 10)) - state = DWC3_LINK_STATE_CMPLY; - else if (!strncmp(buf, "Loopback", 8)) - state = DWC3_LINK_STATE_LPBK; - else - return -EINVAL; - - spin_lock_irqsave(&dwc->lock, flags); - dwc3_gadget_set_link_state(dwc, state); - spin_unlock_irqrestore(&dwc->lock, flags); - - return count; -} - -static const struct file_operations dwc3_link_state_fops = { - .open = dwc3_link_state_open, - .write = dwc3_link_state_write, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -int dwc3_debugfs_init(struct dwc3 *dwc) -{ - struct dentry *root; - struct dentry *file; - int ret; - - root = debugfs_create_dir(dev_name(dwc->dev), NULL); - if (!root) { - ret = -ENOMEM; - goto err0; - } - - dwc->root = root; - - dwc->regset = kzalloc(sizeof(*dwc->regset), GFP_KERNEL); - if (!dwc->regset) { - ret = -ENOMEM; - goto err1; - } - - dwc->regset->regs = dwc3_regs; - dwc->regset->nregs = ARRAY_SIZE(dwc3_regs); - dwc->regset->base = dwc->regs; - - file = debugfs_create_regset32("regdump", S_IRUGO, root, dwc->regset); - if (!file) { - ret = -ENOMEM; - goto err1; - } - - if (IS_ENABLED(CONFIG_USB_DWC3_DUAL_ROLE)) { - file = debugfs_create_file("mode", S_IRUGO | S_IWUSR, root, - dwc, &dwc3_mode_fops); - if (!file) { - ret = -ENOMEM; - goto err1; - } - } - - if (IS_ENABLED(CONFIG_USB_DWC3_DUAL_ROLE) || - IS_ENABLED(CONFIG_USB_DWC3_GADGET)) { - file = debugfs_create_file("testmode", S_IRUGO | S_IWUSR, root, - dwc, &dwc3_testmode_fops); - if (!file) { - ret = -ENOMEM; - goto err1; - } - - file = debugfs_create_file("link_state", S_IRUGO | S_IWUSR, root, - dwc, &dwc3_link_state_fops); - if (!file) { - ret = -ENOMEM; - goto err1; - } - } - - return 0; - -err1: - debugfs_remove_recursive(root); - -err0: - return ret; -} - -void dwc3_debugfs_exit(struct dwc3 *dwc) -{ - debugfs_remove_recursive(dwc->root); - dwc->root = NULL; -} |