#define LOADER_MAGIC1  le32_to_cpu(0xfeedfa42)
 #define LOADER_MAGIC2  le32_to_cpu(0xfeed1281)
 
+#ifndef SQUASHFS_MAGIC
+#define SQUASHFS_MAGIC 0x73717368
+#endif
+
 struct ar7_bin_rec {
        unsigned int checksum;
        unsigned int length;
                                 unsigned long origin)
 {
        struct ar7_bin_rec header;
-       unsigned int offset, len;
+       unsigned int offset;
+       size_t len;
        unsigned int pre_size = master->erasesize, post_size = 0;
        unsigned int root_offset = ROOT_OFFSET;
 
        do { /* Try 10 blocks starting from master->erasesize */
                offset = pre_size;
                master->read(master, offset,
-                       sizeof(header), &len, (u8 *)&header);
+                            sizeof(header), &len, (uint8_t *)&header);
                if (!strncmp((char *)&header, "TIENV0.8", 8))
                        ar7_parts[1].offset = pre_size;
                if (header.checksum == LOADER_MAGIC1)
                while (header.length) {
                        offset += sizeof(header) + header.length;
                        master->read(master, offset, sizeof(header),
-                                    &len, (u8 *)&header);
+                                    &len, (uint8_t *)&header);
                }
                root_offset = offset + sizeof(header) + 4;
                break;
                while (header.length) {
                        offset += sizeof(header) + header.length;
                        master->read(master, offset, sizeof(header),
-                                    &len, (u8 *)&header);
+                                    &len, (uint8_t *)&header);
                }
                root_offset = offset + sizeof(header) + 4 + 0xff;
-               root_offset &= ~(u32)0xff;
+               root_offset &= ~(uint32_t)0xff;
                break;
        default:
                printk(KERN_WARNING "Unknown magic: %08x\n", header.checksum);