USB: pl2303: Cleanup FISH and SOUP macros in pl2303 driver.
authorSarah Sharp <saharabeara@gmail.com>
Fri, 14 Dec 2007 22:08:00 +0000 (14:08 -0800)
committerGreg Kroah-Hartman <gregkh@suse.de>
Fri, 1 Feb 2008 22:34:55 +0000 (14:34 -0800)
Replace the FISH and SOUP macros that violated the macro guidelines in CodingStyle.
Turn them into function calls with clearer variable names.

Signed-off-by: Sarah Sharp <saharabeara@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
drivers/usb/serial/pl2303.c

index b7da8b5..fd8c09f 100644 (file)
@@ -312,6 +312,28 @@ static unsigned int pl2303_buf_get(struct pl2303_buf *pb, char *buf,
        return count;
 }
 
+static int pl2303_vendor_read(__u16 value, __u16 index,
+               struct usb_serial *serial, unsigned char *buf)
+{
+       int res = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
+                       VENDOR_READ_REQUEST, VENDOR_READ_REQUEST_TYPE,
+                       value, index, buf, 1, 100);
+       dbg("0x%x:0x%x:0x%x:0x%x  %d - %x", VENDOR_READ_REQUEST_TYPE,
+                       VENDOR_READ_REQUEST, value, index, res, buf[0]);
+       return res;
+}
+
+static int pl2303_vendor_write(__u16 value, __u16 index,
+               struct usb_serial *serial)
+{
+       int res = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
+                       VENDOR_WRITE_REQUEST, VENDOR_WRITE_REQUEST_TYPE,
+                       value, index, NULL, 0, 100);
+       dbg("0x%x:0x%x:0x%x:0x%x  %d", VENDOR_WRITE_REQUEST_TYPE,
+                       VENDOR_WRITE_REQUEST, value, index, res);
+       return res;
+}
+
 static int pl2303_startup(struct usb_serial *serial)
 {
        struct pl2303_private *priv;
@@ -584,24 +606,12 @@ static void pl2303_set_termios(struct usb_serial_port *port,
             buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6]);
 
        if (cflag & CRTSCTS) {
-               __u16 index;
                if (priv->type == HX)
-                       index = 0x61;
+                       pl2303_vendor_write(0x0, 0x61, serial);
                else
-                       index = 0x41;
-               i = usb_control_msg(serial->dev,
-                                   usb_sndctrlpipe(serial->dev, 0),
-                                   VENDOR_WRITE_REQUEST,
-                                   VENDOR_WRITE_REQUEST_TYPE,
-                                   0x0, index, NULL, 0, 100);
-               dbg("0x40:0x1:0x0:0x%x  %d", index, i);
+                       pl2303_vendor_write(0x0, 0x41, serial);
        } else {
-               i = usb_control_msg(serial->dev,
-                                   usb_sndctrlpipe(serial->dev, 0),
-                                   VENDOR_WRITE_REQUEST,
-                                   VENDOR_WRITE_REQUEST_TYPE,
-                                   0x0, 0x0, NULL, 0, 100);
-               dbg ("0x40:0x1:0x0:0x0  %d", i);
+               pl2303_vendor_write(0x0, 0x0, serial);
        }
 
        /* FIXME: Need to read back resulting baud rate */
@@ -694,35 +704,25 @@ static int pl2303_open(struct usb_serial_port *port, struct file *filp)
        if (buf==NULL)
                return -ENOMEM;
 
-#define FISH(a,b,c,d)                                                          \
-       result=usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev,0),     \
-                              b, a, c, d, buf, 1, 100);                        \
-       dbg("0x%x:0x%x:0x%x:0x%x  %d - %x",a,b,c,d,result,buf[0]);
-
-#define SOUP(a,b,c,d)                                                          \
-       result=usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev,0),     \
-                              b, a, c, d, NULL, 0, 100);                       \
-       dbg("0x%x:0x%x:0x%x:0x%x  %d",a,b,c,d,result);
-
-       FISH (VENDOR_READ_REQUEST_TYPE, VENDOR_READ_REQUEST, 0x8484, 0);
-       SOUP (VENDOR_WRITE_REQUEST_TYPE, VENDOR_WRITE_REQUEST, 0x0404, 0);
-       FISH (VENDOR_READ_REQUEST_TYPE, VENDOR_READ_REQUEST, 0x8484, 0);
-       FISH (VENDOR_READ_REQUEST_TYPE, VENDOR_READ_REQUEST, 0x8383, 0);
-       FISH (VENDOR_READ_REQUEST_TYPE, VENDOR_READ_REQUEST, 0x8484, 0);
-       SOUP (VENDOR_WRITE_REQUEST_TYPE, VENDOR_WRITE_REQUEST, 0x0404, 1);
-       FISH (VENDOR_READ_REQUEST_TYPE, VENDOR_READ_REQUEST, 0x8484, 0);
-       FISH (VENDOR_READ_REQUEST_TYPE, VENDOR_READ_REQUEST, 0x8383, 0);
-       SOUP (VENDOR_WRITE_REQUEST_TYPE, VENDOR_WRITE_REQUEST, 0, 1);
-       SOUP (VENDOR_WRITE_REQUEST_TYPE, VENDOR_WRITE_REQUEST, 1, 0);
+       pl2303_vendor_read(0x8484, 0, serial, buf);
+       pl2303_vendor_write(0x0404, 0, serial);
+       pl2303_vendor_read(0x8484, 0, serial, buf);
+       pl2303_vendor_read(0x8383, 0, serial, buf);
+       pl2303_vendor_read(0x8484, 0, serial, buf);
+       pl2303_vendor_write(0x0404, 1, serial);
+       pl2303_vendor_read(0x8484, 0, serial, buf);
+       pl2303_vendor_read(0x8383, 0, serial, buf);
+       pl2303_vendor_write(0, 1, serial);
+       pl2303_vendor_write(1, 0, serial);
 
        if (priv->type == HX) {
                /* HX chip */
-               SOUP (VENDOR_WRITE_REQUEST_TYPE, VENDOR_WRITE_REQUEST, 2, 0x44);
+               pl2303_vendor_write(2, 0x44, serial);
                /* reset upstream data pipes */
-               SOUP (VENDOR_WRITE_REQUEST_TYPE, VENDOR_WRITE_REQUEST, 8, 0);
-               SOUP (VENDOR_WRITE_REQUEST_TYPE, VENDOR_WRITE_REQUEST, 9, 0);
+               pl2303_vendor_write(8, 0, serial);
+               pl2303_vendor_write(9, 0, serial);
        } else {
-               SOUP (VENDOR_WRITE_REQUEST_TYPE, VENDOR_WRITE_REQUEST, 2, 0x24);
+               pl2303_vendor_write(2, 0x24, serial);
        }
 
        kfree(buf);