From ea08eeccae9297f7aabd2ef7f0c2517ac4549acc Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:18:26 +0000
Subject: [PATCH] write in 30M
---
kernel/drivers/usb/dwc3/debugfs.c | 206 ++++++++++++++++++++++++++++++++++++++++-----------
1 files changed, 162 insertions(+), 44 deletions(-)
diff --git a/kernel/drivers/usb/dwc3/debugfs.c b/kernel/drivers/usb/dwc3/debugfs.c
index 9fb519b..f0f04d7 100644
--- a/kernel/drivers/usb/dwc3/debugfs.c
+++ b/kernel/drivers/usb/dwc3/debugfs.c
@@ -2,7 +2,7 @@
/**
* debugfs.c - DesignWare USB3 DRD Controller DebugFS file
*
- * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com
+ * Copyright (C) 2010-2011 Texas Instruments Incorporated - https://www.ti.com
*
* Authors: Felipe Balbi <balbi@ti.com>,
* Sebastian Andrzej Siewior <bigeasy@linutronix.de>
@@ -327,6 +327,11 @@
unsigned int current_mode;
unsigned long flags;
u32 reg;
+ int ret;
+
+ ret = pm_runtime_resume_and_get(dwc->dev);
+ if (ret < 0)
+ return ret;
spin_lock_irqsave(&dwc->lock, flags);
reg = dwc3_readl(dwc->regs, DWC3_GSTS);
@@ -344,6 +349,8 @@
break;
}
spin_unlock_irqrestore(&dwc->lock, flags);
+
+ pm_runtime_put_sync(dwc->dev);
return 0;
}
@@ -390,6 +397,11 @@
struct dwc3 *dwc = s->private;
unsigned long flags;
u32 reg;
+ int ret;
+
+ ret = pm_runtime_resume_and_get(dwc->dev);
+ if (ret < 0)
+ return ret;
spin_lock_irqsave(&dwc->lock, flags);
reg = dwc3_readl(dwc->regs, DWC3_GCTL);
@@ -397,17 +409,19 @@
switch (DWC3_GCTL_PRTCAP(reg)) {
case DWC3_GCTL_PRTCAP_HOST:
- seq_printf(s, "host\n");
+ seq_puts(s, "host\n");
break;
case DWC3_GCTL_PRTCAP_DEVICE:
- seq_printf(s, "device\n");
+ seq_puts(s, "device\n");
break;
case DWC3_GCTL_PRTCAP_OTG:
- seq_printf(s, "otg\n");
+ seq_puts(s, "otg\n");
break;
default:
seq_printf(s, "UNKNOWN %08x\n", DWC3_GCTL_PRTCAP(reg));
}
+
+ pm_runtime_put_sync(dwc->dev);
return 0;
}
@@ -428,6 +442,9 @@
if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
return -EFAULT;
+ if (dwc->dr_mode != USB_DR_MODE_OTG)
+ return count;
+
if (!strncmp(buf, "host", 4))
mode = DWC3_GCTL_PRTCAP_HOST;
@@ -436,6 +453,10 @@
if (!strncmp(buf, "otg", 3))
mode = DWC3_GCTL_PRTCAP_OTG;
+
+#if defined(CONFIG_ARCH_ROCKCHIP) && defined(CONFIG_NO_GKI)
+ dwc->desired_role_sw_mode = mode;
+#endif
dwc3_set_mode(dwc, mode);
@@ -455,6 +476,11 @@
struct dwc3 *dwc = s->private;
unsigned long flags;
u32 reg;
+ int ret;
+
+ ret = pm_runtime_resume_and_get(dwc->dev);
+ if (ret < 0)
+ return ret;
spin_lock_irqsave(&dwc->lock, flags);
reg = dwc3_readl(dwc->regs, DWC3_DCTL);
@@ -464,26 +490,28 @@
switch (reg) {
case 0:
- seq_printf(s, "no test\n");
+ seq_puts(s, "no test\n");
break;
- case TEST_J:
- seq_printf(s, "test_j\n");
+ case USB_TEST_J:
+ seq_puts(s, "test_j\n");
break;
- case TEST_K:
- seq_printf(s, "test_k\n");
+ case USB_TEST_K:
+ seq_puts(s, "test_k\n");
break;
- case TEST_SE0_NAK:
- seq_printf(s, "test_se0_nak\n");
+ case USB_TEST_SE0_NAK:
+ seq_puts(s, "test_se0_nak\n");
break;
- case TEST_PACKET:
- seq_printf(s, "test_packet\n");
+ case USB_TEST_PACKET:
+ seq_puts(s, "test_packet\n");
break;
- case TEST_FORCE_EN:
- seq_printf(s, "test_force_enable\n");
+ case USB_TEST_FORCE_ENABLE:
+ seq_puts(s, "test_force_enable\n");
break;
default:
seq_printf(s, "UNKNOWN %d\n", reg);
}
+
+ pm_runtime_put_sync(dwc->dev);
return 0;
}
@@ -501,26 +529,33 @@
unsigned long flags;
u32 testmode = 0;
char buf[32];
+ int ret;
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;
+ testmode = USB_TEST_J;
else if (!strncmp(buf, "test_k", 6))
- testmode = TEST_K;
+ testmode = USB_TEST_K;
else if (!strncmp(buf, "test_se0_nak", 12))
- testmode = TEST_SE0_NAK;
+ testmode = USB_TEST_SE0_NAK;
else if (!strncmp(buf, "test_packet", 11))
- testmode = TEST_PACKET;
+ testmode = USB_TEST_PACKET;
else if (!strncmp(buf, "test_force_enable", 17))
- testmode = TEST_FORCE_EN;
+ testmode = USB_TEST_FORCE_ENABLE;
else
testmode = 0;
+
+ ret = pm_runtime_resume_and_get(dwc->dev);
+ if (ret < 0)
+ return ret;
spin_lock_irqsave(&dwc->lock, flags);
dwc3_gadget_set_test_mode(dwc, testmode);
spin_unlock_irqrestore(&dwc->lock, flags);
+
+ pm_runtime_put_sync(dwc->dev);
return count;
}
@@ -540,12 +575,18 @@
enum dwc3_link_state state;
u32 reg;
u8 speed;
+ int ret;
+
+ ret = pm_runtime_resume_and_get(dwc->dev);
+ if (ret < 0)
+ return ret;
spin_lock_irqsave(&dwc->lock, flags);
reg = dwc3_readl(dwc->regs, DWC3_GSTS);
if (DWC3_GSTS_CURMOD(reg) != DWC3_GSTS_CURMOD_DEVICE) {
seq_puts(s, "Not available\n");
spin_unlock_irqrestore(&dwc->lock, flags);
+ pm_runtime_put_sync(dwc->dev);
return 0;
}
@@ -557,6 +598,8 @@
dwc3_gadget_link_string(state) :
dwc3_gadget_hs_link_string(state));
spin_unlock_irqrestore(&dwc->lock, flags);
+
+ pm_runtime_put_sync(dwc->dev);
return 0;
}
@@ -576,6 +619,7 @@
char buf[32];
u32 reg;
u8 speed;
+ int ret;
if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
return -EFAULT;
@@ -595,10 +639,15 @@
else
return -EINVAL;
+ ret = pm_runtime_resume_and_get(dwc->dev);
+ if (ret < 0)
+ return ret;
+
spin_lock_irqsave(&dwc->lock, flags);
reg = dwc3_readl(dwc->regs, DWC3_GSTS);
if (DWC3_GSTS_CURMOD(reg) != DWC3_GSTS_CURMOD_DEVICE) {
spin_unlock_irqrestore(&dwc->lock, flags);
+ pm_runtime_put_sync(dwc->dev);
return -EINVAL;
}
@@ -608,11 +657,14 @@
if (speed < DWC3_DSTS_SUPERSPEED &&
state != DWC3_LINK_STATE_RECOV) {
spin_unlock_irqrestore(&dwc->lock, flags);
+ pm_runtime_put_sync(dwc->dev);
return -EINVAL;
}
dwc3_gadget_set_link_state(dwc, state);
spin_unlock_irqrestore(&dwc->lock, flags);
+
+ pm_runtime_put_sync(dwc->dev);
return count;
}
@@ -635,16 +687,26 @@
struct dwc3_ep *dep = s->private;
struct dwc3 *dwc = dep->dwc;
unsigned long flags;
+ u32 mdwidth;
u32 val;
+ int ret;
+
+ ret = pm_runtime_resume_and_get(dwc->dev);
+ if (ret < 0)
+ return ret;
spin_lock_irqsave(&dwc->lock, flags);
val = dwc3_core_fifo_space(dep, DWC3_TXFIFO);
/* Convert to bytes */
- val *= DWC3_MDWIDTH(dwc->hwparams.hwparams0);
+ mdwidth = dwc3_mdwidth(dwc);
+
+ val *= mdwidth;
val >>= 3;
seq_printf(s, "%u\n", val);
spin_unlock_irqrestore(&dwc->lock, flags);
+
+ pm_runtime_put_sync(dwc->dev);
return 0;
}
@@ -654,16 +716,26 @@
struct dwc3_ep *dep = s->private;
struct dwc3 *dwc = dep->dwc;
unsigned long flags;
+ u32 mdwidth;
u32 val;
+ int ret;
+
+ ret = pm_runtime_resume_and_get(dwc->dev);
+ if (ret < 0)
+ return ret;
spin_lock_irqsave(&dwc->lock, flags);
val = dwc3_core_fifo_space(dep, DWC3_RXFIFO);
/* Convert to bytes */
- val *= DWC3_MDWIDTH(dwc->hwparams.hwparams0);
+ mdwidth = dwc3_mdwidth(dwc);
+
+ val *= mdwidth;
val >>= 3;
seq_printf(s, "%u\n", val);
spin_unlock_irqrestore(&dwc->lock, flags);
+
+ pm_runtime_put_sync(dwc->dev);
return 0;
}
@@ -674,11 +746,18 @@
struct dwc3 *dwc = dep->dwc;
unsigned long flags;
u32 val;
+ int ret;
+
+ ret = pm_runtime_resume_and_get(dwc->dev);
+ if (ret < 0)
+ return ret;
spin_lock_irqsave(&dwc->lock, flags);
val = dwc3_core_fifo_space(dep, DWC3_TXREQQ);
seq_printf(s, "%u\n", val);
spin_unlock_irqrestore(&dwc->lock, flags);
+
+ pm_runtime_put_sync(dwc->dev);
return 0;
}
@@ -689,11 +768,18 @@
struct dwc3 *dwc = dep->dwc;
unsigned long flags;
u32 val;
+ int ret;
+
+ ret = pm_runtime_resume_and_get(dwc->dev);
+ if (ret < 0)
+ return ret;
spin_lock_irqsave(&dwc->lock, flags);
val = dwc3_core_fifo_space(dep, DWC3_RXREQQ);
seq_printf(s, "%u\n", val);
spin_unlock_irqrestore(&dwc->lock, flags);
+
+ pm_runtime_put_sync(dwc->dev);
return 0;
}
@@ -704,11 +790,18 @@
struct dwc3 *dwc = dep->dwc;
unsigned long flags;
u32 val;
+ int ret;
+
+ ret = pm_runtime_resume_and_get(dwc->dev);
+ if (ret < 0)
+ return ret;
spin_lock_irqsave(&dwc->lock, flags);
val = dwc3_core_fifo_space(dep, DWC3_RXINFOQ);
seq_printf(s, "%u\n", val);
spin_unlock_irqrestore(&dwc->lock, flags);
+
+ pm_runtime_put_sync(dwc->dev);
return 0;
}
@@ -719,11 +812,18 @@
struct dwc3 *dwc = dep->dwc;
unsigned long flags;
u32 val;
+ int ret;
+
+ ret = pm_runtime_resume_and_get(dwc->dev);
+ if (ret < 0)
+ return ret;
spin_lock_irqsave(&dwc->lock, flags);
val = dwc3_core_fifo_space(dep, DWC3_DESCFETCHQ);
seq_printf(s, "%u\n", val);
spin_unlock_irqrestore(&dwc->lock, flags);
+
+ pm_runtime_put_sync(dwc->dev);
return 0;
}
@@ -734,11 +834,18 @@
struct dwc3 *dwc = dep->dwc;
unsigned long flags;
u32 val;
+ int ret;
+
+ ret = pm_runtime_resume_and_get(dwc->dev);
+ if (ret < 0)
+ return ret;
spin_lock_irqsave(&dwc->lock, flags);
val = dwc3_core_fifo_space(dep, DWC3_EVENTQ);
seq_printf(s, "%u\n", val);
spin_unlock_irqrestore(&dwc->lock, flags);
+
+ pm_runtime_put_sync(dwc->dev);
return 0;
}
@@ -750,27 +857,26 @@
unsigned long flags;
spin_lock_irqsave(&dwc->lock, flags);
- if (!(dep->flags & DWC3_EP_ENABLED) ||
- !dep->endpoint.desc) {
- seq_printf(s, "--\n");
+ if (!(dep->flags & DWC3_EP_ENABLED) || !dep->endpoint.desc) {
+ seq_puts(s, "--\n");
goto out;
}
switch (usb_endpoint_type(dep->endpoint.desc)) {
case USB_ENDPOINT_XFER_CONTROL:
- seq_printf(s, "control\n");
+ seq_puts(s, "control\n");
break;
case USB_ENDPOINT_XFER_ISOC:
- seq_printf(s, "isochronous\n");
+ seq_puts(s, "isochronous\n");
break;
case USB_ENDPOINT_XFER_BULK:
- seq_printf(s, "bulk\n");
+ seq_puts(s, "bulk\n");
break;
case USB_ENDPOINT_XFER_INT:
- seq_printf(s, "interrupt\n");
+ seq_puts(s, "interrupt\n");
break;
default:
- seq_printf(s, "--\n");
+ seq_puts(s, "--\n");
}
out:
@@ -785,14 +891,19 @@
struct dwc3 *dwc = dep->dwc;
unsigned long flags;
int i;
+ int ret;
+
+ ret = pm_runtime_resume_and_get(dwc->dev);
+ if (ret < 0)
+ return ret;
spin_lock_irqsave(&dwc->lock, flags);
if (dep->number <= 1) {
- seq_printf(s, "--\n");
+ seq_puts(s, "--\n");
goto out;
}
- seq_printf(s, "buffer_addr,size,type,ioc,isp_imi,csp,chn,lst,hwo\n");
+ seq_puts(s, "buffer_addr,size,type,ioc,isp_imi,csp,chn,lst,hwo\n");
for (i = 0; i < DWC3_TRB_NUM; i++) {
struct dwc3_trb *trb = &dep->trb_pool[i];
@@ -814,6 +925,8 @@
out:
spin_unlock_irqrestore(&dwc->lock, flags);
+ pm_runtime_put_sync(dwc->dev);
+
return 0;
}
@@ -826,6 +939,11 @@
u32 lower_32_bits;
u32 upper_32_bits;
u32 reg;
+ int ret;
+
+ ret = pm_runtime_resume_and_get(dwc->dev);
+ if (ret < 0)
+ return ret;
spin_lock_irqsave(&dwc->lock, flags);
reg = DWC3_GDBGLSPMUX_EPSELECT(dep->number);
@@ -837,6 +955,8 @@
ep_info = ((u64)upper_32_bits << 32) | lower_32_bits;
seq_printf(s, "0x%016llx\n", ep_info);
spin_unlock_irqrestore(&dwc->lock, flags);
+
+ pm_runtime_put_sync(dwc->dev);
return 0;
}
@@ -874,7 +994,7 @@
const struct file_operations *fops = dwc3_ep_file_map[i].fops;
const char *name = dwc3_ep_file_map[i].name;
- debugfs_create_file(name, S_IRUGO, parent, dep, fops);
+ debugfs_create_file(name, 0444, parent, dep, fops);
}
}
@@ -899,25 +1019,23 @@
dwc->regset->regs = dwc3_regs;
dwc->regset->nregs = ARRAY_SIZE(dwc3_regs);
dwc->regset->base = dwc->regs - DWC3_GLOBALS_REGS_START;
+ dwc->regset->dev = dwc->dev;
- root = debugfs_create_dir(dev_name(dwc->dev), NULL);
+ root = debugfs_create_dir(dev_name(dwc->dev), usb_debug_root);
dwc->root = root;
- debugfs_create_regset32("regdump", S_IRUGO, root, dwc->regset);
+ debugfs_create_regset32("regdump", 0444, root, dwc->regset);
+ debugfs_create_file("lsp_dump", 0644, root, dwc, &dwc3_lsp_fops);
- debugfs_create_file("lsp_dump", S_IRUGO | S_IWUSR, root, dwc,
- &dwc3_lsp_fops);
-
- if (IS_ENABLED(CONFIG_USB_DWC3_DUAL_ROLE)) {
- debugfs_create_file("mode", S_IRUGO | S_IWUSR, root, dwc,
+ if (IS_ENABLED(CONFIG_USB_DWC3_DUAL_ROLE))
+ debugfs_create_file("mode", 0644, root, dwc,
&dwc3_mode_fops);
- }
if (IS_ENABLED(CONFIG_USB_DWC3_DUAL_ROLE) ||
IS_ENABLED(CONFIG_USB_DWC3_GADGET)) {
- debugfs_create_file("testmode", S_IRUGO | S_IWUSR, root, dwc,
- &dwc3_testmode_fops);
- debugfs_create_file("link_state", S_IRUGO | S_IWUSR, root, dwc,
+ debugfs_create_file("testmode", 0644, root, dwc,
+ &dwc3_testmode_fops);
+ debugfs_create_file("link_state", 0644, root, dwc,
&dwc3_link_state_fops);
}
}
--
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