NFC: Add HCI quirks to support driver (non)standard implementations
Some chips diverge from the HCI spec in their implementation of standard
features. This adds a new quirks parameter to
nfc_hci_allocate_device() to let the driver indicate its divergence.
Signed-off-by: Eric Lapuyade <eric.lapuyade@intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/include/net/nfc/hci.h b/include/net/nfc/hci.h
index 834e364..2ff7175 100644
--- a/include/net/nfc/hci.h
+++ b/include/net/nfc/hci.h
@@ -82,6 +82,16 @@
#define NFC_HCI_MAX_GATES 256
+/*
+ * These values can be specified by a driver to indicate it requires some
+ * adaptation of the HCI standard.
+ *
+ * NFC_HCI_QUIRK_SHORT_CLEAR - send HCI_ADM_CLEAR_ALL_PIPE cmd with no params
+ */
+enum {
+ NFC_HCI_QUIRK_SHORT_CLEAR = 0,
+};
+
struct nfc_hci_dev {
struct nfc_dev *ndev;
@@ -131,11 +141,14 @@
u8 *gb;
size_t gb_len;
+
+ unsigned long quirks;
};
/* hci device allocation */
struct nfc_hci_dev *nfc_hci_allocate_device(struct nfc_hci_ops *ops,
struct nfc_hci_init_data *init_data,
+ unsigned long quirks,
u32 protocols,
const char *llc_name,
int tx_headroom,