Hi Mark,

Just one nitpick here:

+static int trf7970a_is_iso15693_write_or_lock(u8 cmd)
+{
+	int ret;
+
+	switch (cmd) {
+	case ISO15693_CMD_WRITE_SINGLE_BLOCK:
+	case ISO15693_CMD_LOCK_BLOCK:
+	case ISO15693_CMD_WRITE_MULTIPLE_BLOCK:
+	case ISO15693_CMD_WRITE_AFI:
+	case ISO15693_CMD_LOCK_AFI:
+	case ISO15693_CMD_WRITE_DSFID:
+	case ISO15693_CMD_LOCK_DSFID:
+		ret = 1;

return 1;

and return 0 on the default case.
Simpler code and you don't need the ret variable.

Cheers,
Samuel.

-- 
Intel Open Source Technology Centre
http://oss.intel.com/
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