Make Trinket M0 build fit; make RAMFS in vfs_fat_* tests be compliant with expected API

Author: dhalbert

ports/atmel-samd/Makefile

@@ -114,7 +114,7 @@ else
   # -finline-limit=80 or so is similar to not having it on.
   # There is no simple default value, though.
   ifdef INTERNAL_FLASH_FILESYSTEM
-    CFLAGS += -finline-limit=60
+    CFLAGS += -finline-limit=55
   endif
   CFLAGS += -flto
 endif

tests/extmod/vfs_fat_fileio1.py

@@ -27,11 +27,13 @@ def readblocks(self, n, buf):
         #print("readblocks(%s, %x(%d))" % (n, id(buf), len(buf)))
         for i in range(len(buf)):
             buf[i] = self.data[n * self.SEC_SIZE + i]
+        return 0
 
     def writeblocks(self, n, buf):
         #print("writeblocks(%s, %x)" % (n, id(buf)))
         for i in range(len(buf)):
             self.data[n * self.SEC_SIZE + i] = buf[i]
+        return 0
 
     def ioctl(self, op, arg):
         #print("ioctl(%d, %r)" % (op, arg))

tests/extmod/vfs_fat_fileio2.py

@@ -27,11 +27,13 @@ def readblocks(self, n, buf):
         #print("readblocks(%s, %x(%d))" % (n, id(buf), len(buf)))
         for i in range(len(buf)):
             buf[i] = self.data[n * self.SEC_SIZE + i]
+        return 0
 
     def writeblocks(self, n, buf):
         #print("writeblocks(%s, %x)" % (n, id(buf)))
         for i in range(len(buf)):
             self.data[n * self.SEC_SIZE + i] = buf[i]
+        return 0
 
     def ioctl(self, op, arg):
         #print("ioctl(%d, %r)" % (op, arg))

tests/extmod/vfs_fat_more.py

@@ -27,11 +27,13 @@ def readblocks(self, n, buf):
         #print("readblocks(%s, %x(%d))" % (n, id(buf), len(buf)))
         for i in range(len(buf)):
             buf[i] = self.data[n * self.SEC_SIZE + i]
+        return 0
 
     def writeblocks(self, n, buf):
         #print("writeblocks(%s, %x)" % (n, id(buf)))
         for i in range(len(buf)):
             self.data[n * self.SEC_SIZE + i] = buf[i]
+        return 0
 
     def ioctl(self, op, arg):
         #print("ioctl(%d, %r)" % (op, arg))

tests/extmod/vfs_fat_oldproto.py

@@ -25,11 +25,13 @@ def readblocks(self, n, buf):
         #print("readblocks(%s, %x(%d))" % (n, id(buf), len(buf)))
         for i in range(len(buf)):
             buf[i] = self.data[n * self.SEC_SIZE + i]
+        return 0
 
     def writeblocks(self, n, buf):
         #print("writeblocks(%s, %x)" % (n, id(buf)))
         for i in range(len(buf)):
             self.data[n * self.SEC_SIZE + i] = buf[i]
+        return 0
 
     def sync(self):
         pass

tests/extmod/vfs_fat_ramdisk.py

@@ -26,11 +26,13 @@ def readblocks(self, n, buf):
         #print("readblocks(%s, %x(%d))" % (n, id(buf), len(buf)))
         for i in range(len(buf)):
             buf[i] = self.data[n * self.SEC_SIZE + i]
+        return 0
 
     def writeblocks(self, n, buf):
         #print("writeblocks(%s, %x)" % (n, id(buf)))
         for i in range(len(buf)):
             self.data[n * self.SEC_SIZE + i] = buf[i]
+        return 0
 
     def ioctl(self, op, arg):
         #print("ioctl(%d, %r)" % (op, arg))