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Wed, 01 Jul 2026 05:13:50 -0700 Received: from mtkmbs13n1.mediatek.inc (172.21.101.193) by MTKMBS14N2.mediatek.inc (172.21.101.76) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.29; Wed, 1 Jul 2026 20:13:47 +0800 Received: from mtksitap99.mediatek.inc (10.233.130.16) by mtkmbs13n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.2562.29 via Frontend Transport; Wed, 1 Jul 2026 20:13:47 +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 v7 1/3] Bluetooth: btmtk: Replace magic numbers with WMT packet flag enum Date: Wed, 1 Jul 2026 20:13:43 +0800 Message-ID: <20260701121345.1231906-2-chris.lu@mediatek.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20260701121345.1231906-1-chris.lu@mediatek.com> References: <20260701121345.1231906-1-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-20260701_131402_458597_D43F19C4 X-CRM114-Status: GOOD ( 11.96 ) 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 Add BTMTK_WMT_PKT_* enum to represent WMT download packet sequence flags, improving code readability. Replace magic numbers (1, 2, 3) in btmtk_setup_firmware_79xx() and btmtk_setup_firmware() with descriptive enum values: - BTMTK_WMT_PKT_START (1): First packet of a sequence - BTMTK_WMT_PKT_CONTINUE (2): Continuation packet - BTMTK_WMT_PKT_END (3): Final packet of a sequence Signed-off-by: Chris Lu Reviewed-by: Paul Menzel Assisted-by: Claude:Sonnet-4.5 --- drivers/bluetooth/btmtk.c | 12 ++++++------ drivers/bluetooth/btmtk.h | 6 ++++++ 2 files changed, 12 insertions(+), 6 deletions(-) diff --git a/drivers/bluetooth/btmtk.c b/drivers/bluetooth/btmtk.c index 02a96342e964..40c2a64aa6b7 100644 --- a/drivers/bluetooth/btmtk.c +++ b/drivers/bluetooth/btmtk.c @@ -230,12 +230,12 @@ int btmtk_setup_firmware_79xx(struct hci_dev *hdev, const char *fwname, while (dl_size > 0) { dlen = min_t(int, 250, dl_size); if (first_block == 1) { - flag = 1; + flag = BTMTK_WMT_PKT_START; first_block = 0; } else if (dl_size - dlen <= 0) { - flag = 3; + flag = BTMTK_WMT_PKT_END; } else { - flag = 2; + flag = BTMTK_WMT_PKT_CONTINUE; } wmt_params.flag = flag; @@ -314,7 +314,7 @@ int btmtk_setup_firmware(struct hci_dev *hdev, const char *fwname, fw_size -= 30; fw_ptr += 30; - flag = 1; + flag = BTMTK_WMT_PKT_START; wmt_params.op = BTMTK_WMT_PATCH_DWNLD; wmt_params.status = NULL; @@ -324,9 +324,9 @@ int btmtk_setup_firmware(struct hci_dev *hdev, const char *fwname, /* Tell device the position in sequence */ if (fw_size - dlen <= 0) - flag = 3; + flag = BTMTK_WMT_PKT_END; else if (fw_size < fw->size - 30) - flag = 2; + flag = BTMTK_WMT_PKT_CONTINUE; wmt_params.flag = flag; wmt_params.dlen = dlen; diff --git a/drivers/bluetooth/btmtk.h b/drivers/bluetooth/btmtk.h index c83c24897c95..51c18dde0a80 100644 --- a/drivers/bluetooth/btmtk.h +++ b/drivers/bluetooth/btmtk.h @@ -66,6 +66,12 @@ enum { BTMTK_WMT_ON_PROGRESS, }; +enum { + BTMTK_WMT_PKT_START = 1, + BTMTK_WMT_PKT_CONTINUE = 2, + BTMTK_WMT_PKT_END = 3, +}; + struct btmtk_wmt_hdr { u8 dir; u8 op; -- 2.45.2