Bluetooth: btmrvl: implement read-to-clear for SD8897 interrupts

For SD8897, CMD52 write_to_clear may have missing interrupts
under certain corner case condition. Use CMD53 read-to-clear
to fix the problem.

Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/bluetooth/btmrvl_drv.h b/drivers/bluetooth/btmrvl_drv.h
index 7399303d7d99..199ff492da26 100644
--- a/drivers/bluetooth/btmrvl_drv.h
+++ b/drivers/bluetooth/btmrvl_drv.h
@@ -59,6 +59,8 @@ struct btmrvl_device {
 };
 
 struct btmrvl_adapter {
+        void *hw_regs_buf;
+        u8 *hw_regs;
         u32 int_count;
         struct sk_buff_head tx_queue;
         u8 psmode;