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Fri, 19 Jun 2020 09:51:43 -0800 Received: from mtkmbs08n1.mediatek.inc (172.21.101.55) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 19 Jun 2020 10:52:10 -0700 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs08n1.mediatek.inc (172.21.101.55) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sat, 20 Jun 2020 01:52:02 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Sat, 20 Jun 2020 01:52:01 +0800 From: To: , Subject: [PATCH v2 2/2] Bluetooth: btmtksdio: fix up firmware download sequence Date: Sat, 20 Jun 2020 01:52:02 +0800 Message-ID: <8ed6746c7d2ce6a38eb88c78c81593c0cbd4451f.1592588740.git.sean.wang@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <7d835850c16e07d1346c763900cc8c880182f497.1592588740.git.sean.wang@mediatek.com> References: <7d835850c16e07d1346c763900cc8c880182f497.1592588740.git.sean.wang@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200619_105218_862731_F05D1C73 X-CRM114-Status: GOOD ( 11.10 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-bluetooth@vger.kernel.org, Mark Chen , Sean Wang , linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org From: Sean Wang Data RAM on the device have to be powered on before starting to download the firmware. v1->v2: rebased to bluetooth-next Fixes: 9aebfd4a2200 ("Bluetooth: mediatek: add support for MediaTek MT7663S and MT7668S SDIO devices") Co-developed-by: Mark Chen Signed-off-by: Mark Chen Signed-off-by: Sean Wang --- drivers/bluetooth/btmtksdio.c | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) diff --git a/drivers/bluetooth/btmtksdio.c b/drivers/bluetooth/btmtksdio.c index 519788c442ca..11494cd2a982 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 = ¶m; + 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;