Commit 737cd060 authored by Sean Wang's avatar Sean Wang Committed by Marcel Holtmann

Bluetooth: btmtksdio: fix up firmware download sequence

Data RAM on the device have to be powered on before starting to download
the firmware.

Fixes: 9aebfd4a ("Bluetooth: mediatek: add support for MediaTek MT7663S and MT7668S SDIO devices")
Co-developed-by: default avatarMark Chen <Mark-YW.Chen@mediatek.com>
Signed-off-by: default avatarMark Chen <Mark-YW.Chen@mediatek.com>
Signed-off-by: default avatarSean Wang <sean.wang@mediatek.com>
Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
parent f6451257
...@@ -685,7 +685,7 @@ static int mtk_setup_firmware(struct hci_dev *hdev, const char *fwname) ...@@ -685,7 +685,7 @@ static int mtk_setup_firmware(struct hci_dev *hdev, const char *fwname)
const u8 *fw_ptr; const u8 *fw_ptr;
size_t fw_size; size_t fw_size;
int err, dlen; int err, dlen;
u8 flag; u8 flag, param;
err = request_firmware(&fw, fwname, &hdev->dev); err = request_firmware(&fw, fwname, &hdev->dev);
if (err < 0) { if (err < 0) {
...@@ -693,6 +693,20 @@ static int mtk_setup_firmware(struct hci_dev *hdev, const char *fwname) ...@@ -693,6 +693,20 @@ static int mtk_setup_firmware(struct hci_dev *hdev, const char *fwname)
return err; 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_ptr = fw->data;
fw_size = fw->size; fw_size = fw->size;
......
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