change fat32 to ignore volume lable.

Targets/Bonito2fdev/Bonito/start_cs5536.S

@@ -2240,10 +2240,16 @@ LEAF(i2cread)
 	
 	/* read data */
 	IO_READ_BYTE(SMB_BASE_ADDR | SMB_SDA);
+	b 1f;
+	nop;
 
 i2cerr :
 	nop;
-	
+	li	v0, 0x02;
+	IO_WRITE_BYTE(SMB_BASE_ADDR | SMB_CTRL1);
+	li  v0, 0x10;	
+	IO_WRITE_BYTE(SMB_BASE_ADDR | SMB_STS);
+1:
 	jr	ra;
 	nop;
 END(i2cread)

pmon/fs/fatfs.c

@@ -122,7 +122,6 @@ fat_open(int fd, const char *path, int flags, int mode)
 
 	/* Set opath to point at the isolated filname path */
 	filename = strchr(opath, '/') + 1;
-	printf("dpath=%s,filename=%s\n",dpath,filename);
 
 	fsc = (struct fat_sc *)malloc(sizeof(struct fat_sc));
 	if (fsc == NULL) {
@@ -604,6 +603,8 @@ int fat_findfile(struct fat_sc *fsc, char *name)
 				{
 					continue;
 				}
+				if(dire->dirAttributes == ATTR_VOLUME)
+					continue;
 
 				if(dire->dirAttributes == ATTR_DIRECTORY)
 				{
@@ -709,6 +710,8 @@ int fat_subdirscan(struct fat_sc *fsc, char *name, struct fatchain *chain)
 
 				if (dire->dirName[0] == SLOT_DELETED)
 					continue;
+				if(dire->dirAttributes == ATTR_VOLUME)
+					continue;
 				if(dire->dirAttributes == ATTR_DIRECTORY)
 				{
 					dir_flag = 1;