common/usb.c: fix warning: variable ... set but not used

Fix:
usb.c: In function 'usb_parse_config':
usb.c:331:17: warning: variable 'ch' set but not used [-Wunused-but-set-variable]
usb.c: In function 'usb_hub_port_connect_change':
usb.c:1123:29: warning: variable 'portchange' set but not used [-Wunused-but-set-variable]
usb.c: In function 'usb_hub_configure':
usb.c:1183:25: warning: variable 'hubsts' set but not used [-Wunused-but-set-variable]

Signed-off-by: Wolfgang Denk <wd@denx.de>
Cc: Remy Bohmer <linux@bohmer.net>
Acked-by: Remy Bohmer <linux@bohmer.net>

diff --git a/common/usb.c b/common/usb.c
index a401c0919878b5801a947c8992b60ae331e799b0..2cd50db99944eb516f5afeeb0023a85e343d34bb 100644 (file)
--- a/common/usb.c
+++ b/common/usb.c
@@ -328,7 +328,6 @@ int usb_parse_config(struct usb_device *dev, unsigned char *buffer, int cfgno)
        struct usb_descriptor_header *head;
        int index, ifno, epno, curr_if_num;
        int i;
-       unsigned char *ch;
 
        ifno = -1;
        epno = -1;
@@ -386,7 +385,9 @@ int usb_parse_config(struct usb_device *dev, unsigned char *buffer, int cfgno)
                                   head->bDescriptorType);
 
                        {
-                               ch = (unsigned char *)head;
+#ifdef USB_DEBUG
+                               unsigned char *ch = (unsigned char *)head;
+#endif
                                for (i = 0; i < head->bLength; i++)
                                        USB_PRINTF("%02X ", *ch++);
                                USB_PRINTF("\n\n\n");
@@ -1120,7 +1121,7 @@ void usb_hub_port_connect_change(struct usb_device *dev, int port)
 {
        struct usb_device *usb;
        struct usb_port_status portsts;
-       unsigned short portstatus, portchange;
+       unsigned short portstatus;
 
        /* Check status */
        if (usb_get_port_status(dev, port + 1, &portsts) < 0) {
@@ -1129,9 +1130,10 @@ void usb_hub_port_connect_change(struct usb_device *dev, int port)
        }
 
        portstatus = le16_to_cpu(portsts.wPortStatus);
-       portchange = le16_to_cpu(portsts.wPortChange);
        USB_HUB_PRINTF("portstatus %x, change %x, %s\n",
-                       portstatus, portchange, portspeed(portstatus));
+                       portstatus,
+                       le16_to_cpu(portsts.wPortChange),
+                       portspeed(portstatus));
 
        /* Clear the connection change status */
        usb_clear_port_feature(dev, port + 1, USB_PORT_FEAT_C_CONNECTION);
@@ -1178,11 +1180,13 @@ void usb_hub_port_connect_change(struct usb_device *dev, int port)
 
 int usb_hub_configure(struct usb_device *dev)
 {
+       int i;
        unsigned char buffer[USB_BUFSIZ], *bitmap;
        struct usb_hub_descriptor *descriptor;
-       struct usb_hub_status *hubsts;
-       int i;
        struct usb_hub_device *hub;
+#ifdef USB_HUB_DEBUG
+       struct usb_hub_status *hubsts;
+#endif
 
        /* "allocate" Hub device */
        hub = usb_hub_allocate();
@@ -1284,7 +1288,9 @@ int usb_hub_configure(struct usb_device *dev)
                return -1;
        }
 
+#ifdef USB_HUB_DEBUG
        hubsts = (struct usb_hub_status *)buffer;
+#endif
        USB_HUB_PRINTF("get_hub_status returned status %X, change %X\n",
                        le16_to_cpu(hubsts->wHubStatus),
                        le16_to_cpu(hubsts->wHubChange));