add ax88772C AX88772C_eeprom_tools

hc

2024-05-10 61598093bbdd283a7edc367d900f223070ead8d2

 kernel/drivers/usb/serial/usb_wwan.c
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@@ -140,10 +140,10 @@
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 	ss->line            = port->minor;
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 	ss->port            = port->port_number;
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 	ss->baud_base       = tty_get_baud_rate(port->port.tty);
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-	ss->close_delay	    = jiffies_to_msecs(port->port.close_delay) / 10;
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+	ss->close_delay	    = port->port.close_delay / 10;
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 	ss->closing_wait    = port->port.closing_wait == ASYNC_CLOSING_WAIT_NONE ?
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 				 ASYNC_CLOSING_WAIT_NONE :
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-				 jiffies_to_msecs(port->port.closing_wait) / 10;
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+				 port->port.closing_wait / 10;
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 	return 0;
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 }
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 EXPORT_SYMBOL(usb_wwan_get_serial_info);
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@@ -155,10 +155,9 @@
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 	unsigned int closing_wait, close_delay;
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 	int retval = 0;
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-	close_delay = msecs_to_jiffies(ss->close_delay * 10);
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+	close_delay = ss->close_delay * 10;
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 	closing_wait = ss->closing_wait == ASYNC_CLOSING_WAIT_NONE ?
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-			ASYNC_CLOSING_WAIT_NONE :
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-			msecs_to_jiffies(ss->closing_wait * 10);
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+			ASYNC_CLOSING_WAIT_NONE : ss->closing_wait * 10;
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 	mutex_lock(&port->port.mutex);
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@@ -271,9 +270,7 @@
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 	if (status) {
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 		dev_dbg(dev, "%s: nonzero status: %d on endpoint %02x.\n",
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 			__func__, status, endpoint);
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-
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-		/* don't resubmit on fatal errors */
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-		if (status == -ESHUTDOWN || status == -ENOENT)
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+		if (status == -ESHUTDOWN || status == -ENOENT || status == -EPROTO)
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 			return;
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 	} else {
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 		if (urb->actual_length) {
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@@ -435,8 +432,7 @@
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 	/*
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 	 * Need to take susp_lock to make sure port is not already being
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-	 * resumed, but no need to hold it due to the tty-port initialized
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-	 * flag.
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+	 * resumed, but no need to hold it due to initialized
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 	 */
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 	spin_lock_irq(&intfdata->susp_lock);
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 	if (--intfdata->open_ports == 0)
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@@ -467,7 +463,6 @@
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 				      void (*callback) (struct urb *))
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 {
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 	struct usb_serial *serial = port->serial;
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-	struct usb_wwan_intf_private *intfdata = usb_get_serial_data(serial);
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 	struct urb *urb;
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 	urb = usb_alloc_urb(0, GFP_KERNEL);	/* No ISO */
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@@ -478,8 +473,18 @@
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 			  usb_sndbulkpipe(serial->dev, endpoint) | dir,
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 			  buf, len, callback, ctx);
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-	if (intfdata->use_zlp && dir == USB_DIR_OUT)
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-		urb->transfer_flags |= URB_ZERO_PACKET;
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+#if 1 //Added by Quectel for Zero Packet
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+	if (dir == USB_DIR_OUT) {
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+		if (serial->dev->descriptor.idVendor == cpu_to_le16(0x05C6) && serial->dev->descriptor.idProduct == cpu_to_le16(0x9090))
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+			urb->transfer_flags |= URB_ZERO_PACKET;
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+		if (serial->dev->descriptor.idVendor == cpu_to_le16(0x05C6) && serial->dev->descriptor.idProduct == cpu_to_le16(0x9003))
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+			urb->transfer_flags |= URB_ZERO_PACKET;
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+		if (serial->dev->descriptor.idVendor == cpu_to_le16(0x05C6) && serial->dev->descriptor.idProduct == cpu_to_le16(0x9215))
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+			urb->transfer_flags |= URB_ZERO_PACKET;
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+		if (serial->dev->descriptor.idVendor == cpu_to_le16(0x2C7C))
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+			urb->transfer_flags |= URB_ZERO_PACKET;
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+	}
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+#endif
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 	return urb;
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 }