NFC: Ignore err when chip doesn't implement HW/SW info registers
NFC_HCI_ID_MGMT_VERSION_SW and NFC_HCI_ID_MGMT_VERSION_HW are optional
registers for gate NFC_HCI_ID_MGMT_GATE in standard HCI. When chip
doesn't implement, just leave all the information as zeros.
Signed-off-by: Eric Lapuyade <eric.lapuyade@intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/net/nfc/hci/core.c b/net/nfc/hci/core.c
index bc571b0..a58db89 100644
--- a/net/nfc/hci/core.c
+++ b/net/nfc/hci/core.c
@@ -38,6 +38,8 @@
switch (result) {
case NFC_HCI_ANY_OK:
return 0;
+ case NFC_HCI_ANY_E_REG_PAR_UNKNOWN:
+ return -EOPNOTSUPP;
case NFC_HCI_ANY_E_TIMEOUT:
return -ETIME;
default:
@@ -419,6 +421,10 @@
r = nfc_hci_get_param(hdev, NFC_HCI_ID_MGMT_GATE,
NFC_HCI_ID_MGMT_VERSION_SW, &skb);
+ if (r == -EOPNOTSUPP) {
+ pr_info("Software/Hardware info not available\n");
+ return 0;
+ }
if (r < 0)
return r;