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Date: Sat, 30 Sep 2023 18:04:49 +0530
From: Abhinav <singhabhinav9051571833@...il.com>
To: gregkh@...uxfoundation.org, stern@...land.harvard.edu,
benjamin.tissoires@...hat.com, mathias.nyman@...ux.intel.com,
hdegoede@...hat.com, hadess@...ess.net
Cc: linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
skhan@...uxfoundation.org,
Abhinav <singhabhinav9051571833@...il.com>
Subject: [PATCH] fixed documentation warning about duplicate symbol
Compiling the documentation in html gives a warning about duplicate symbol
because same name is used for function usb_string(...) and
also for the struct usb_string.Also having a different name can
be helpful while searching or debugging the code.
Renaming the function usb_string(...) to utf16le_to_utf8(...) fixes
this warning.Reason for choosing this name because
this is what the function description says it is doing.
Signed-off-by: Abhinav <singhabhinav9051571833@...il.com>
---
drivers/usb/atm/cxacru.c | 2 +-
drivers/usb/atm/speedtch.c | 2 +-
drivers/usb/atm/ueagle-atm.c | 2 +-
drivers/usb/atm/usbatm.c | 2 +-
drivers/usb/core/hub.c | 2 +-
drivers/usb/core/message.c | 12 ++++++------
drivers/usb/misc/adutux.c | 2 +-
drivers/usb/misc/iowarrior.c | 2 +-
drivers/usb/misc/ldusb.c | 2 +-
drivers/usb/serial/io_edgeport.c | 4 ++--
include/linux/usb.h | 2 +-
11 files changed, 17 insertions(+), 17 deletions(-)
diff --git a/drivers/usb/atm/cxacru.c b/drivers/usb/atm/cxacru.c
index 4ce7cba2b48a..c27d13f9de74 100644
--- a/drivers/usb/atm/cxacru.c
+++ b/drivers/usb/atm/cxacru.c
@@ -1352,7 +1352,7 @@ static int cxacru_usb_probe(struct usb_interface *intf,
* Abort if bDeviceClass is 0xff and iProduct is "USB NET CARD".
*/
if (usb_dev->descriptor.bDeviceClass == USB_CLASS_VENDOR_SPEC
- && usb_string(usb_dev, usb_dev->descriptor.iProduct,
+ && utf16le_to_utf8(usb_dev, usb_dev->descriptor.iProduct,
buf, sizeof(buf)) > 0) {
if (!strcmp(buf, "USB NET CARD")) {
dev_info(&intf->dev, "ignoring cx82310_eth device\n");
diff --git a/drivers/usb/atm/speedtch.c b/drivers/usb/atm/speedtch.c
index 973548b5c15c..4e13f740e2ae 100644
--- a/drivers/usb/atm/speedtch.c
+++ b/drivers/usb/atm/speedtch.c
@@ -655,7 +655,7 @@ static int speedtch_atm_start(struct usbatm_data *usbatm, struct atm_dev *atm_de
/* Set MAC address, it is stored in the serial number */
memset(atm_dev->esi, 0, sizeof(atm_dev->esi));
- if (usb_string(usb_dev, usb_dev->descriptor.iSerialNumber, mac_str, sizeof(mac_str)) == 12) {
+ if (utf16le_to_utf8(usb_dev, usb_dev->descriptor.iSerialNumber, mac_str, sizeof(mac_str)) == 12) {
for (i = 0; i < 6; i++)
atm_dev->esi[i] = (hex_to_bin(mac_str[i * 2]) << 4) +
hex_to_bin(mac_str[i * 2 + 1]);
diff --git a/drivers/usb/atm/ueagle-atm.c b/drivers/usb/atm/ueagle-atm.c
index 5812f7ea7f90..2998c9b90a11 100644
--- a/drivers/usb/atm/ueagle-atm.c
+++ b/drivers/usb/atm/ueagle-atm.c
@@ -2416,7 +2416,7 @@ static int uea_getesi(struct uea_softc *sc, u_char *esi)
{
unsigned char mac_str[2 * ETH_ALEN + 1];
int i;
- if (usb_string
+ if (utf16le_to_utf8
(sc->usb_dev, sc->usb_dev->descriptor.iSerialNumber, mac_str,
sizeof(mac_str)) != 2 * ETH_ALEN)
return 1;
diff --git a/drivers/usb/atm/usbatm.c b/drivers/usb/atm/usbatm.c
index 1cdb8758ae01..88ff90454572 100644
--- a/drivers/usb/atm/usbatm.c
+++ b/drivers/usb/atm/usbatm.c
@@ -1035,7 +1035,7 @@ int usbatm_usb_probe(struct usb_interface *intf, const struct usb_device_id *id,
buf = instance->description;
length = sizeof(instance->description);
- if ((i = usb_string(usb_dev, usb_dev->descriptor.iProduct, buf, length)) < 0)
+ if ((i = utf16le_to_utf8(usb_dev, usb_dev->descriptor.iProduct, buf, length)) < 0)
goto bind;
buf += i;
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 3c54b218301c..0cdf81b07852 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -5244,7 +5244,7 @@ static int descriptors_changed(struct usb_device *udev,
}
if (!changed && serial_len) {
- length = usb_string(udev, udev->descriptor.iSerialNumber,
+ length = utf16le_to_utf8(udev, udev->descriptor.iSerialNumber,
buf, serial_len);
if (length + 1 != serial_len) {
dev_dbg(&udev->dev, "serial string error %d\n",
diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c
index 077dfe48d01c..5f4c178d83f7 100644
--- a/drivers/usb/core/message.c
+++ b/drivers/usb/core/message.c
@@ -767,7 +767,7 @@ EXPORT_SYMBOL_GPL(usb_sg_cancel);
*
* Gets a USB descriptor. Convenience functions exist to simplify
* getting some types of descriptors. Use
- * usb_get_string() or usb_string() for USB_DT_STRING.
+ * usb_get_string() or utf16le_to_utf8() for USB_DT_STRING.
* Device (USB_DT_DEVICE) and configuration descriptors (USB_DT_CONFIG)
* are part of the device structure.
* In addition to a number of USB-standard descriptors, some
@@ -819,7 +819,7 @@ EXPORT_SYMBOL_GPL(usb_get_descriptor);
*
* Retrieves a string, encoded using UTF-16LE (Unicode, 16 bits per character,
* in little-endian byte order).
- * The usb_string() function will often be a convenient way to turn
+ * The utf16le_to_utf8() function will often be a convenient way to turn
* these strings into kernel-printable form.
*
* Strings may be referenced in device, configuration, interface, or other
@@ -948,7 +948,7 @@ static int usb_get_langid(struct usb_device *dev, unsigned char *tbuf)
}
/**
- * usb_string - returns UTF-8 version of a string descriptor
+ * utf16le_to_utf8 - returns UTF-8 version of a string descriptor
* @dev: the device whose string descriptor is being retrieved
* @index: the number of the descriptor
* @buf: where to put the string
@@ -965,7 +965,7 @@ static int usb_get_langid(struct usb_device *dev, unsigned char *tbuf)
*
* Return: length of the string (>= 0) or usb_control_msg status (< 0).
*/
-int usb_string(struct usb_device *dev, int index, char *buf, size_t size)
+int utf16le_to_utf8(struct usb_device *dev, int index, char *buf, size_t size)
{
unsigned char *tbuf;
int err;
@@ -1003,7 +1003,7 @@ int usb_string(struct usb_device *dev, int index, char *buf, size_t size)
kfree(tbuf);
return err;
}
-EXPORT_SYMBOL_GPL(usb_string);
+EXPORT_SYMBOL_GPL(utf16le_to_utf8);
/* one UTF-8-encoded 16-bit character has at most three bytes */
#define MAX_USB_STRING_SIZE (127 * 3 + 1)
@@ -1027,7 +1027,7 @@ char *usb_cache_string(struct usb_device *udev, int index)
buf = kmalloc(MAX_USB_STRING_SIZE, GFP_NOIO);
if (buf) {
- len = usb_string(udev, index, buf, MAX_USB_STRING_SIZE);
+ len = utf16le_to_utf8(udev, index, buf, MAX_USB_STRING_SIZE);
if (len > 0) {
smallbuf = kmalloc(++len, GFP_NOIO);
if (!smallbuf)
diff --git a/drivers/usb/misc/adutux.c b/drivers/usb/misc/adutux.c
index ed6a19254d2f..9c8e482d9dd9 100644
--- a/drivers/usb/misc/adutux.c
+++ b/drivers/usb/misc/adutux.c
@@ -717,7 +717,7 @@ static int adu_probe(struct usb_interface *interface,
if (!dev->interrupt_out_urb)
goto error;
- if (!usb_string(udev, udev->descriptor.iSerialNumber, dev->serial_number,
+ if (!utf16le_to_utf8(udev, udev->descriptor.iSerialNumber, dev->serial_number,
sizeof(dev->serial_number))) {
dev_err(&interface->dev, "Could not retrieve serial number\n");
retval = -EIO;
diff --git a/drivers/usb/misc/iowarrior.c b/drivers/usb/misc/iowarrior.c
index 1e3df27bab58..8b39662e3ae2 100644
--- a/drivers/usb/misc/iowarrior.c
+++ b/drivers/usb/misc/iowarrior.c
@@ -840,7 +840,7 @@ static int iowarrior_probe(struct usb_interface *interface,
goto error;
/* Get the serial-number of the chip */
memset(dev->chip_serial, 0x00, sizeof(dev->chip_serial));
- usb_string(udev, udev->descriptor.iSerialNumber, dev->chip_serial,
+ utf16le_to_utf8(udev, udev->descriptor.iSerialNumber, dev->chip_serial,
sizeof(dev->chip_serial));
if (strlen(dev->chip_serial) != 8)
memset(dev->chip_serial, 0x00, sizeof(dev->chip_serial));
diff --git a/drivers/usb/misc/ldusb.c b/drivers/usb/misc/ldusb.c
index 7cbef74dfc9a..4c13f7f0d5e4 100644
--- a/drivers/usb/misc/ldusb.c
+++ b/drivers/usb/misc/ldusb.c
@@ -675,7 +675,7 @@ static int ld_usb_probe(struct usb_interface *intf, const struct usb_device_id *
if (!buffer)
goto error;
/* usb_string makes SETUP+STALL to leave always ControlReadLoop */
- usb_string(udev, 255, buffer, 256);
+ utf16le_to_utf8(udev, 255, buffer, 256);
kfree(buffer);
}
diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c
index abe4bbb0ac65..70d487e95117 100644
--- a/drivers/usb/serial/io_edgeport.c
+++ b/drivers/usb/serial/io_edgeport.c
@@ -2723,12 +2723,12 @@ static int edge_startup(struct usb_serial *serial)
usb_set_serial_data(serial, edge_serial);
/* get the name for the device from the device */
- i = usb_string(dev, dev->descriptor.iManufacturer,
+ i = utf16le_to_utf8(dev, dev->descriptor.iManufacturer,
&edge_serial->name[0], MAX_NAME_LEN+1);
if (i < 0)
i = 0;
edge_serial->name[i++] = ' ';
- usb_string(dev, dev->descriptor.iProduct,
+ utf16le_to_utf8(dev, dev->descriptor.iProduct,
&edge_serial->name[i], MAX_NAME_LEN+2 - i);
dev_info(&serial->dev->dev, "%s detected\n", edge_serial->name);
diff --git a/include/linux/usb.h b/include/linux/usb.h
index a21074861f91..870430a1fa52 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -1879,7 +1879,7 @@ static inline int usb_get_ptm_status(struct usb_device *dev, void *data)
0, data);
}
-extern int usb_string(struct usb_device *dev, int index,
+extern int utf16le_to_utf8(struct usb_device *dev, int index,
char *buf, size_t size);
extern char *usb_cache_string(struct usb_device *udev, int index);
--
2.34.1
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