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Thu, 02 Jul 2026 03:14:41 -0700 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by mtkmbs13n2.mediatek.inc (172.21.101.108) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.29; Thu, 2 Jul 2026 18:14:38 +0800 Received: from mtksitap99.mediatek.inc (10.233.130.16) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.2562.29 via Frontend Transport; Thu, 2 Jul 2026 18:14:38 +0800 From: Chris Lu To: Marcel Holtmann , Johan Hedberg , Luiz Von Dentz CC: Sean Wang , Will Lee , SS Wu , Steve Lee , linux-bluetooth , linux-kernel , linux-mediatek , Paul Menzel , Chris Lu Subject: [PATCH v9 2/6] Bluetooth: btmtksdio: Remove redundant firmware filename override Date: Thu, 2 Jul 2026 18:14:32 +0800 Message-ID: <20260702101437.1787800-3-chris.lu@mediatek.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20260702101437.1787800-1-chris.lu@mediatek.com> References: <20260702101437.1787800-1-chris.lu@mediatek.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260702_111452_773048_CF91077C X-CRM114-Status: UNSURE ( 7.79 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org btmtksdio_setup() calls btmtk_fw_get_filename() to generate the correct firmware filename based on chip ID, then immediately overwrites it with snprintf() using a generic legacy format. This causes newer chips that require chip-specific firmware paths (MT6639, MT7925, MT7928) to request incorrect legacy filenames, leading to firmware load failures. The USB driver (btmtkusb.c) correctly uses btmtk_fw_get_filename() without overriding the result. Match that behavior by removing the redundant snprintf() call. Fixes: 7f935b21bee4 ("Bluetooth: btmtk: apply the common btmtk_fw_get_filename") Signed-off-by: Chris Lu --- drivers/bluetooth/btmtksdio.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/bluetooth/btmtksdio.c b/drivers/bluetooth/btmtksdio.c index 5b0fab7b89b5..d5f3fd002f85 100644 --- a/drivers/bluetooth/btmtksdio.c +++ b/drivers/bluetooth/btmtksdio.c @@ -1139,9 +1139,6 @@ static int btmtksdio_setup(struct hci_dev *hdev) btmtk_fw_get_filename(fwname, sizeof(fwname), dev_id, fw_version, 0); - snprintf(fwname, sizeof(fwname), - "mediatek/BT_RAM_CODE_MT%04x_1_%x_hdr.bin", - dev_id & 0xffff, (fw_version & 0xff) + 1); err = mt79xx_setup(hdev, fwname); if (err < 0) return err; -- 2.45.2