Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next

Johan Hedberg says:

====================
pull request: bluetooth-next 2020-07-31

Here's the main bluetooth-next pull request for 5.9:

 - Fix firmware filenames for Marvell chipsets
 - Several suspend-related fixes
 - Addedd mgmt commands for runtime configuration
 - Multiple fixes for Qualcomm-based controllers
 - Add new monitoring feature for mgmt
 - Fix handling of legacy cipher (E4) together with security level 4
 - Add support for Realtek 8822CE controller
 - Fix issues with Chinese controllers using fake VID/PID values
 - Multiple other smaller fixes & improvements
====================

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 15 insertions, 1 deletions

diff --git a/drivers/bluetooth/btmtksdio.c b/drivers/bluetooth/btmtksdio.c
index bff095be2f97..c7ab7a23bd67 100644
--- a/drivers/bluetooth/btmtksdio.c
+++ b/drivers/bluetooth/btmtksdio.c
@@ -685,7 +685,7 @@ static int mtk_setup_firmware(struct hci_dev *hdev, const char *fwname)
 	const u8 *fw_ptr;
 	size_t fw_size;
 	int err, dlen;
-	u8 flag;
+	u8 flag, param;
 
 	err = request_firmware(&fw, fwname, &hdev->dev);
 	if (err < 0) {
@@ -693,6 +693,20 @@ static int mtk_setup_firmware(struct hci_dev *hdev, const char *fwname)
 		return err;
 	}
 
+	/* Power on data RAM the firmware relies on. */
+	param = 1;
+	wmt_params.op = MTK_WMT_FUNC_CTRL;
+	wmt_params.flag = 3;
+	wmt_params.dlen = sizeof(param);
+	wmt_params.data = &param;
+	wmt_params.status = NULL;
+
+	err = mtk_hci_wmt_sync(hdev, &wmt_params);
+	if (err < 0) {
+		bt_dev_err(hdev, "Failed to power on data RAM (%d)", err);
+		return err;
+	}
+
 	fw_ptr = fw->data;
 	fw_size = fw->size;