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-rw-r--r--drivers/usb/gadget/at91_udc.c2
-rw-r--r--drivers/usb/gadget/f_fs.c2
-rw-r--r--drivers/usb/gadget/fsl_udc_core.c124
-rw-r--r--drivers/usb/gadget/goku_udc.c89
-rw-r--r--drivers/usb/gadget/inode.c2
-rw-r--r--drivers/usb/gadget/lpc32xx_udc.c2
-rw-r--r--drivers/usb/gadget/rndis.c4
7 files changed, 86 insertions, 139 deletions
diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c
index a690d64217f4..073b938f9135 100644
--- a/drivers/usb/gadget/at91_udc.c
+++ b/drivers/usb/gadget/at91_udc.c
@@ -221,7 +221,7 @@ static int proc_udc_show(struct seq_file *s, void *unused)
static int proc_udc_open(struct inode *inode, struct file *file)
{
- return single_open(file, proc_udc_show, PDE(inode)->data);
+ return single_open(file, proc_udc_show, PDE_DATA(inode));
}
static const struct file_operations proc_ops = {
diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c
index c377ff84bf2c..f394f295d63d 100644
--- a/drivers/usb/gadget/f_fs.c
+++ b/drivers/usb/gadget/f_fs.c
@@ -727,7 +727,6 @@ static long ffs_ep0_ioctl(struct file *file, unsigned code, unsigned long value)
}
static const struct file_operations ffs_ep0_operations = {
- .owner = THIS_MODULE,
.llseek = no_llseek,
.open = ffs_ep0_open,
@@ -947,7 +946,6 @@ static long ffs_epfile_ioctl(struct file *file, unsigned code,
}
static const struct file_operations ffs_epfile_operations = {
- .owner = THIS_MODULE,
.llseek = no_llseek,
.open = ffs_epfile_open,
diff --git a/drivers/usb/gadget/fsl_udc_core.c b/drivers/usb/gadget/fsl_udc_core.c
index 7c2a101d19ac..2d8c1cfea699 100644
--- a/drivers/usb/gadget/fsl_udc_core.c
+++ b/drivers/usb/gadget/fsl_udc_core.c
@@ -2010,47 +2010,37 @@ static int fsl_udc_stop(struct usb_gadget *g,
static const char proc_filename[] = "driver/fsl_usb2_udc";
-static int fsl_proc_read(char *page, char **start, off_t off, int count,
- int *eof, void *_dev)
+static int fsl_proc_read(struct seq_file *m, void *v)
{
- char *buf = page;
- char *next = buf;
- unsigned size = count;
unsigned long flags;
- int t, i;
+ int i;
u32 tmp_reg;
struct fsl_ep *ep = NULL;
struct fsl_req *req;
struct fsl_udc *udc = udc_controller;
- if (off != 0)
- return 0;
spin_lock_irqsave(&udc->lock, flags);
/* ------basic driver information ---- */
- t = scnprintf(next, size,
+ seq_printf(m,
DRIVER_DESC "\n"
"%s version: %s\n"
"Gadget driver: %s\n\n",
driver_name, DRIVER_VERSION,
udc->driver ? udc->driver->driver.name : "(none)");
- size -= t;
- next += t;
/* ------ DR Registers ----- */
tmp_reg = fsl_readl(&dr_regs->usbcmd);
- t = scnprintf(next, size,
+ seq_printf(m,
"USBCMD reg:\n"
"SetupTW: %d\n"
"Run/Stop: %s\n\n",
(tmp_reg & USB_CMD_SUTW) ? 1 : 0,
(tmp_reg & USB_CMD_RUN_STOP) ? "Run" : "Stop");
- size -= t;
- next += t;
tmp_reg = fsl_readl(&dr_regs->usbsts);
- t = scnprintf(next, size,
+ seq_printf(m,
"USB Status Reg:\n"
"Dr Suspend: %d Reset Received: %d System Error: %s "
"USB Error Interrupt: %s\n\n",
@@ -2058,11 +2048,9 @@ static int fsl_proc_read(char *page, char **start, off_t off, int count,
(tmp_reg & USB_STS_RESET) ? 1 : 0,
(tmp_reg & USB_STS_SYS_ERR) ? "Err" : "Normal",
(tmp_reg & USB_STS_ERR) ? "Err detected" : "No err");
- size -= t;
- next += t;
tmp_reg = fsl_readl(&dr_regs->usbintr);
- t = scnprintf(next, size,
+ seq_printf(m,
"USB Interrupt Enable Reg:\n"
"Sleep Enable: %d SOF Received Enable: %d "
"Reset Enable: %d\n"
@@ -2076,33 +2064,25 @@ static int fsl_proc_read(char *page, char **start, off_t off, int count,
(tmp_reg & USB_INTR_PTC_DETECT_EN) ? 1 : 0,
(tmp_reg & USB_INTR_ERR_INT_EN) ? 1 : 0,
(tmp_reg & USB_INTR_INT_EN) ? 1 : 0);
- size -= t;
- next += t;
tmp_reg = fsl_readl(&dr_regs->frindex);
- t = scnprintf(next, size,
+ seq_printf(m,
"USB Frame Index Reg: Frame Number is 0x%x\n\n",
(tmp_reg & USB_FRINDEX_MASKS));
- size -= t;
- next += t;
tmp_reg = fsl_readl(&dr_regs->deviceaddr);
- t = scnprintf(next, size,
+ seq_printf(m,
"USB Device Address Reg: Device Addr is 0x%x\n\n",
(tmp_reg & USB_DEVICE_ADDRESS_MASK));
- size -= t;
- next += t;
tmp_reg = fsl_readl(&dr_regs->endpointlistaddr);
- t = scnprintf(next, size,
+ seq_printf(m,
"USB Endpoint List Address Reg: "
"Device Addr is 0x%x\n\n",
(tmp_reg & USB_EP_LIST_ADDRESS_MASK));
- size -= t;
- next += t;
tmp_reg = fsl_readl(&dr_regs->portsc1);
- t = scnprintf(next, size,
+ seq_printf(m,
"USB Port Status&Control Reg:\n"
"Port Transceiver Type : %s Port Speed: %s\n"
"PHY Low Power Suspend: %s Port Reset: %s "
@@ -2111,7 +2091,7 @@ static int fsl_proc_read(char *page, char **start, off_t off, int count,
"Port Enable/Disable Change: %s\n"
"Port Enabled/Disabled: %s "
"Current Connect Status: %s\n\n", ( {
- char *s;
+ const char *s;
switch (tmp_reg & PORTSCX_PTS_FSLS) {
case PORTSCX_PTS_UTMI:
s = "UTMI"; break;
@@ -2137,13 +2117,11 @@ static int fsl_proc_read(char *page, char **start, off_t off, int count,
"Not correct",
(tmp_reg & PORTSCX_CURRENT_CONNECT_STATUS) ?
"Attached" : "Not-Att");
- size -= t;
- next += t;
tmp_reg = fsl_readl(&dr_regs->usbmode);
- t = scnprintf(next, size,
+ seq_printf(m,
"USB Mode Reg: Controller Mode is: %s\n\n", ( {
- char *s;
+ const char *s;
switch (tmp_reg & USB_MODE_CTRL_MODE_HOST) {
case USB_MODE_CTRL_MODE_IDLE:
s = "Idle"; break;
@@ -2156,103 +2134,87 @@ static int fsl_proc_read(char *page, char **start, off_t off, int count,
}
s;
} ));
- size -= t;
- next += t;
tmp_reg = fsl_readl(&dr_regs->endptsetupstat);
- t = scnprintf(next, size,
+ seq_printf(m,
"Endpoint Setup Status Reg: SETUP on ep 0x%x\n\n",
(tmp_reg & EP_SETUP_STATUS_MASK));
- size -= t;
- next += t;
for (i = 0; i < udc->max_ep / 2; i++) {
tmp_reg = fsl_readl(&dr_regs->endptctrl[i]);
- t = scnprintf(next, size, "EP Ctrl Reg [0x%x]: = [0x%x]\n",
- i, tmp_reg);
- size -= t;
- next += t;
+ seq_printf(m, "EP Ctrl Reg [0x%x]: = [0x%x]\n", i, tmp_reg);
}
tmp_reg = fsl_readl(&dr_regs->endpointprime);
- t = scnprintf(next, size, "EP Prime Reg = [0x%x]\n\n", tmp_reg);
- size -= t;
- next += t;
+ seq_printf(m, "EP Prime Reg = [0x%x]\n\n", tmp_reg);
#ifndef CONFIG_ARCH_MXC
if (udc->pdata->have_sysif_regs) {
tmp_reg = usb_sys_regs->snoop1;
- t = scnprintf(next, size, "Snoop1 Reg : = [0x%x]\n\n", tmp_reg);
- size -= t;
- next += t;
+ seq_printf(m, "Snoop1 Reg : = [0x%x]\n\n", tmp_reg);
tmp_reg = usb_sys_regs->control;
- t = scnprintf(next, size, "General Control Reg : = [0x%x]\n\n",
- tmp_reg);
- size -= t;
- next += t;
+ seq_printf(m, "General Control Reg : = [0x%x]\n\n", tmp_reg);
}
#endif
/* ------fsl_udc, fsl_ep, fsl_request structure information ----- */
ep = &udc->eps[0];
- t = scnprintf(next, size, "For %s Maxpkt is 0x%x index is 0x%x\n",
+ seq_printf(m, "For %s Maxpkt is 0x%x index is 0x%x\n",
ep->ep.name, ep_maxpacket(ep), ep_index(ep));
- size -= t;
- next += t;
if (list_empty(&ep->queue)) {
- t = scnprintf(next, size, "its req queue is empty\n\n");
- size -= t;
- next += t;
+ seq_puts(m, "its req queue is empty\n\n");
} else {
list_for_each_entry(req, &ep->queue, queue) {
- t = scnprintf(next, size,
+ seq_printf(m,
"req %p actual 0x%x length 0x%x buf %p\n",
&req->req, req->req.actual,
req->req.length, req->req.buf);
- size -= t;
- next += t;
}
}
/* other gadget->eplist ep */
list_for_each_entry(ep, &udc->gadget.ep_list, ep.ep_list) {
if (ep->ep.desc) {
- t = scnprintf(next, size,
+ seq_printf(m,
"\nFor %s Maxpkt is 0x%x "
"index is 0x%x\n",
ep->ep.name, ep_maxpacket(ep),
ep_index(ep));
- size -= t;
- next += t;
if (list_empty(&ep->queue)) {
- t = scnprintf(next, size,
- "its req queue is empty\n\n");
- size -= t;
- next += t;
+ seq_puts(m, "its req queue is empty\n\n");
} else {
list_for_each_entry(req, &ep->queue, queue) {
- t = scnprintf(next, size,
+ seq_printf(m,
"req %p actual 0x%x length "
"0x%x buf %p\n",
&req->req, req->req.actual,
req->req.length, req->req.buf);
- size -= t;
- next += t;
- } /* end for each_entry of ep req */
- } /* end for else */
- } /* end for if(ep->queue) */
- } /* end (ep->desc) */
+ } /* end for each_entry of ep req */
+ } /* end for else */
+ } /* end for if(ep->queue) */
+ } /* end (ep->desc) */
spin_unlock_irqrestore(&udc->lock, flags);
+ return 0;
+}
- *eof = 1;
- return count - size;
+/*
+ * seq_file wrappers for procfile show routines.
+ */
+static int fsl_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, fsl_proc_read, NULL);
}
-#define create_proc_file() create_proc_read_entry(proc_filename, \
- 0, NULL, fsl_proc_read, NULL)
+static const struct file_operations fsl_proc_fops = {
+ .open = fsl_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = seq_release,
+};
+#define create_proc_file() proc_create(proc_filename, 0, NULL, &fsl_proc_fops)
#define remove_proc_file() remove_proc_entry(proc_filename, NULL)
#else /* !CONFIG_USB_GADGET_DEBUG_FILES */
diff --git a/drivers/usb/gadget/goku_udc.c b/drivers/usb/gadget/goku_udc.c
index 991aba390d9d..480eeb7cfd92 100644
--- a/drivers/usb/gadget/goku_udc.c
+++ b/drivers/usb/gadget/goku_udc.c
@@ -35,6 +35,7 @@
#include <linux/list.h>
#include <linux/interrupt.h>
#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
#include <linux/device.h>
#include <linux/usb/ch9.h>
#include <linux/usb/gadget.h>
@@ -1005,7 +1006,7 @@ static const struct usb_gadget_ops goku_ops = {
/*-------------------------------------------------------------------------*/
-static inline char *dmastr(void)
+static inline const char *dmastr(void)
{
if (use_dma == 0)
return "(dma disabled)";
@@ -1022,13 +1023,10 @@ static const char proc_node_name [] = "driver/udc";
#define FOURBITS "%s%s%s%s"
#define EIGHTBITS FOURBITS FOURBITS
-static void
-dump_intmask(const char *label, u32 mask, char **next, unsigned *size)
+static void dump_intmask(struct seq_file *m, const char *label, u32 mask)
{
- int t;
-
/* int_status is the same format ... */
- t = scnprintf(*next, *size,
+ seq_printf(m,
"%s %05X =" FOURBITS EIGHTBITS EIGHTBITS "\n",
label, mask,
(mask & INT_PWRDETECT) ? " power" : "",
@@ -1055,33 +1053,23 @@ dump_intmask(const char *label, u32 mask, char **next, unsigned *size)
(mask & INT_ENDPOINT0) ? " ep0" : "",
(mask & INT_USBRESET) ? " reset" : "",
(mask & INT_SUSPEND) ? " suspend" : "");
- *size -= t;
- *next += t;
}
-static int
-udc_proc_read(char *buffer, char **start, off_t off, int count,
- int *eof, void *_dev)
+static int udc_proc_read(struct seq_file *m, void *v)
{
- char *buf = buffer;
- struct goku_udc *dev = _dev;
+ struct goku_udc *dev = m->private;
struct goku_udc_regs __iomem *regs = dev->regs;
- char *next = buf;
- unsigned size = count;
unsigned long flags;
- int i, t, is_usb_connected;
+ int i, is_usb_connected;
u32 tmp;
- if (off != 0)
- return 0;
-
local_irq_save(flags);
/* basic device status */
tmp = readl(&regs->power_detect);
is_usb_connected = tmp & PW_DETECT;
- t = scnprintf(next, size,
+ seq_printf(m,
"%s - %s\n"
"%s version: %s %s\n"
"Gadget driver: %s\n"
@@ -1093,7 +1081,7 @@ udc_proc_read(char *buffer, char **start, off_t off, int count,
is_usb_connected
? ((tmp & PW_PULLUP) ? "full speed" : "powered")
: "disconnected",
- ({char *state;
+ ({const char *state;
switch(dev->ep0state){
case EP0_DISCONNECT: state = "ep0_disconnect"; break;
case EP0_IDLE: state = "ep0_idle"; break;
@@ -1105,27 +1093,24 @@ udc_proc_read(char *buffer, char **start, off_t off, int count,
default: state = "ep0_?"; break;
} state; })
);
- size -= t;
- next += t;
- dump_intmask("int_status", readl(&regs->int_status), &next, &size);
- dump_intmask("int_enable", readl(&regs->int_enable), &next, &size);
+ dump_intmask(m, "int_status", readl(&regs->int_status));
+ dump_intmask(m, "int_enable", readl(&regs->int_enable));
if (!is_usb_connected || !dev->driver || (tmp & PW_PULLUP) == 0)
goto done;
/* registers for (active) device and ep0 */
- t = scnprintf(next, size, "\nirqs %lu\ndataset %02x "
+ if (seq_printf(m, "\nirqs %lu\ndataset %02x "
"single.bcs %02x.%02x state %x addr %u\n",
dev->irqs, readl(&regs->DataSet),
readl(&regs->EPxSingle), readl(&regs->EPxBCS),
readl(&regs->UsbState),
- readl(&regs->address));
- size -= t;
- next += t;
+ readl(&regs->address)) < 0)
+ goto done;
tmp = readl(&regs->dma_master);
- t = scnprintf(next, size,
+ if (seq_printf(m,
"dma %03X =" EIGHTBITS "%s %s\n", tmp,
(tmp & MST_EOPB_DIS) ? " eopb-" : "",
(tmp & MST_EOPB_ENA) ? " eopb+" : "",
@@ -1140,9 +1125,8 @@ udc_proc_read(char *buffer, char **start, off_t off, int count,
(tmp & MST_WR_ENA) ? " OUT" : "",
(tmp & MST_CONNECTION)
? "ep1in/ep2out"
- : "ep1out/ep2in");
- size -= t;
- next += t;
+ : "ep1out/ep2in") < 0)
+ goto done;
/* dump endpoint queues */
for (i = 0; i < 4; i++) {
@@ -1153,7 +1137,7 @@ udc_proc_read(char *buffer, char **start, off_t off, int count,
continue;
tmp = readl(ep->reg_status);
- t = scnprintf(next, size,
+ if (seq_printf(m,
"%s %s max %u %s, irqs %lu, "
"status %02x (%s) " FOURBITS "\n",
ep->ep.name,
@@ -1186,18 +1170,12 @@ udc_proc_read(char *buffer, char **start, off_t off, int count,
(tmp & EPxSTATUS_SUSPEND) ? " suspend" : "",
(tmp & EPxSTATUS_FIFO_DISABLE) ? " disable" : "",
(tmp & EPxSTATUS_STAGE_ERROR) ? " ep0stat" : ""
- );
- if (t <= 0 || t > size)
+ ) < 0)
goto done;
- size -= t;
- next += t;
if (list_empty(&ep->queue)) {
- t = scnprintf(next, size, "\t(nothing queued)\n");
- if (t <= 0 || t > size)
+ if (seq_puts(m, "\t(nothing queued)\n") < 0)
goto done;
- size -= t;
- next += t;
continue;
}
list_for_each_entry(req, &ep->queue, queue) {
@@ -1211,23 +1189,34 @@ udc_proc_read(char *buffer, char **start, off_t off, int count,
} else
tmp = req->req.actual;
- t = scnprintf(next, size,
+ if (seq_printf(m,
"\treq %p len %u/%u buf %p\n",
&req->req, tmp, req->req.length,
- req->req.buf);
- if (t <= 0 || t > size)
+ req->req.buf) < 0)
goto done;
- size -= t;
- next += t;
}
}
done:
local_irq_restore(flags);
- *eof = 1;
- return count - size;
+ return 0;
+}
+
+/*
+ * seq_file wrappers for procfile show routines.
+ */
+static int udc_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, udc_proc_read, PDE_DATA(file_inode(file)));
}
+static const struct file_operations udc_proc_fops = {
+ .open = udc_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = seq_release,
+};
+
#endif /* CONFIG_USB_GADGET_DEBUG_FILES */
/*-------------------------------------------------------------------------*/
@@ -1796,7 +1785,7 @@ static int goku_probe(struct pci_dev *pdev, const struct pci_device_id *id)
#ifdef CONFIG_USB_GADGET_DEBUG_FILES
- create_proc_read_entry(proc_node_name, 0, NULL, udc_proc_read, dev);
+ proc_create_data(proc_node_name, 0, NULL, &udc_proc_fops, dev);
#endif
retval = usb_add_gadget_udc_release(&pdev->dev, &dev->gadget,
diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c
index e2b2e9cf254a..dda0dc4a5567 100644
--- a/drivers/usb/gadget/inode.c
+++ b/drivers/usb/gadget/inode.c
@@ -887,7 +887,6 @@ ep_open (struct inode *inode, struct file *fd)
/* used before endpoint configuration */
static const struct file_operations ep_config_operations = {
- .owner = THIS_MODULE,
.llseek = no_llseek,
.open = ep_open,
@@ -1940,7 +1939,6 @@ dev_open (struct inode *inode, struct file *fd)
}
static const struct file_operations dev_init_operations = {
- .owner = THIS_MODULE,
.llseek = no_llseek,
.open = dev_open,
diff --git a/drivers/usb/gadget/lpc32xx_udc.c b/drivers/usb/gadget/lpc32xx_udc.c
index b943d8cdfbf7..67128be1e1b7 100644
--- a/drivers/usb/gadget/lpc32xx_udc.c
+++ b/drivers/usb/gadget/lpc32xx_udc.c
@@ -565,7 +565,7 @@ static int proc_udc_show(struct seq_file *s, void *unused)
static int proc_udc_open(struct inode *inode, struct file *file)
{
- return single_open(file, proc_udc_show, PDE(inode)->data);
+ return single_open(file, proc_udc_show, PDE_DATA(inode));
}
static const struct file_operations proc_ops = {
diff --git a/drivers/usb/gadget/rndis.c b/drivers/usb/gadget/rndis.c
index d9297eebbf73..1e4cfb05f70b 100644
--- a/drivers/usb/gadget/rndis.c
+++ b/drivers/usb/gadget/rndis.c
@@ -1065,7 +1065,7 @@ static int rndis_proc_show(struct seq_file *m, void *v)
static ssize_t rndis_proc_write(struct file *file, const char __user *buffer,
size_t count, loff_t *ppos)
{
- rndis_params *p = PDE(file_inode(file))->data;
+ rndis_params *p = PDE_DATA(file_inode(file));
u32 speed = 0;
int i, fl_speed = 0;
@@ -1109,7 +1109,7 @@ static ssize_t rndis_proc_write(struct file *file, const char __user *buffer,
static int rndis_proc_open(struct inode *inode, struct file *file)
{
- return single_open(file, rndis_proc_show, PDE(inode)->data);
+ return single_open(file, rndis_proc_show, PDE_DATA(inode));
}
static const struct file_operations rndis_proc_fops = {
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-04 07:10:02 +0100