[PATCH v4 3/4] Bluetooth: btmtk: add macro to get/set/clear MediaTek defined flags

[Chris Lu <chris.lu@mediatek.com>]

Define a enumeration to store MediaTek specific flags and
macro function to set/test/clear the flags in data structure.

Signed-off-by: Chris Lu <chris.lu@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
---
 drivers/bluetooth/btmtk.h | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/drivers/bluetooth/btmtk.h b/drivers/bluetooth/btmtk.h
index e76b8a358be8..6a0697a22b16 100644
--- a/drivers/bluetooth/btmtk.h
+++ b/drivers/bluetooth/btmtk.h
@@ -128,6 +128,10 @@ struct btmtk_hci_wmt_params {
 
 typedef int (*btmtk_reset_sync_func_t)(struct hci_dev *, void *);
 
+enum {
+	__BTMTK_NUM_FLAGS,
+};
+
 struct btmtk_coredump_info {
 	const char *driver_name;
 	u32 fw_version;
@@ -136,11 +140,30 @@ struct btmtk_coredump_info {
 };
 
 struct btmediatek_data {
+	DECLARE_BITMAP(flags, __BTMTK_NUM_FLAGS);
+
 	u32 dev_id;
 	btmtk_reset_sync_func_t reset_sync;
 	struct btmtk_coredump_info cd_info;
 };
 
+#define btmtk_set_flag(hdev, nr)						\
+	do {									\
+		struct btmediatek_data *mediatek = hci_get_priv((hdev));	\
+		set_bit((nr), mediatek->flags);					\
+	} while (0)
+
+#define btmtk_clear_flag(hdev, nr)						\
+	do {									\
+		struct btmediatek_data *mediatek = hci_get_priv((hdev));	\
+		clear_bit((nr), mediatek->flags);				\
+	} while (0)
+
+#define btmtk_get_flag(hdev)							\
+	(((struct btmediatek_data *)hci_get_priv(hdev))->flags)
+
+#define btmtk_test_flag(hdev, nr)	test_bit((nr), btmtk_get_flag(hdev))
+
 typedef int (*wmt_cmd_sync_func_t)(struct hci_dev *,
 				   struct btmtk_hci_wmt_params *);
 
-- 
2.18.0