From patchwork Wed Jan 12 07:39:11 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sean Wang X-Patchwork-Id: 12710957 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 74DF9C433EF for ; Wed, 12 Jan 2022 07:39:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:CC :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=UtdQsmtFMEGn50TIDlTZO2G1JsKl7klPtOZfXWNCeKk=; b=gGWIm1fnzOQ2bU ItOvcgLNjRCw31SaNTakwMr4nUoO8aUp34OAxGs3yQ3aeHumEish8GlrMW5Q34k29LC5c7PlNj+om l0RERSLsCRsOWykIq75Yno/HN5shl36GCUytoMOIu4PUU2B0oPNL65VDG31uyb/h8e+Ed/ZSV7w11 HqOaemeOm5BqNW0CeJcHUm/LBQ0LXxwkVToWDsQgn4eUzf2hCs2J7/Ing3Xi8vHk3iz7S9BqOp7XT LcYyGDtjInOFjy+a6FZPzOddm0D7VXi3L3sicFzQR4PyKZDvS6U+43egyKQXrrzw9GxLDcynJSeeC 2b3Ri3y0w4K+grrHddtQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1n7YEF-001PHj-K2; Wed, 12 Jan 2022 07:39:31 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1n7YEB-001PG6-CB for linux-mediatek@lists.infradead.org; Wed, 12 Jan 2022 07:39:30 +0000 X-UUID: 4fed68922f074e028f0dca9117cee3ef-20220112 X-UUID: 4fed68922f074e028f0dca9117cee3ef-20220112 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1998983097; Wed, 12 Jan 2022 00:39:23 -0700 Received: from mtkexhb01.mediatek.inc (172.21.101.102) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 11 Jan 2022 23:39:21 -0800 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkexhb01.mediatek.inc (172.21.101.102) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 12 Jan 2022 15:39:20 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 12 Jan 2022 15:39:19 +0800 From: To: , CC: , , , , , , , , , , , , , , , , , , , , , , , , , , , Mark Chen Subject: [PATCH 1/7] Bluetooth: mt7921s: fix firmware coredump retrieve Date: Wed, 12 Jan 2022 15:39:11 +0800 Message-ID: X-Mailer: git-send-email 1.7.9.5 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220111_233927_445504_2E14490B X-CRM114-Status: GOOD ( 12.37 ) 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 From: Mark Chen According to the MCU firmware behavior, as the driver is aware of the notification of the interrupt source FW_MAILBOX_INT that shows the MCU completed delivered a core dump piece to the host, the driver must acknowledge the MCU with the register PH2DSM0R bit PH2DSM0R_DRIVER_OWN to notify the MCU to handle the next core dump piece. Fixes: db57b625912a ("Bluetooth: btmtksdio: add support of processing firmware coredump and log") Co-developed-by: Sean Wang Signed-off-by: Sean Wang Signed-off-by: Mark Chen --- drivers/bluetooth/btmtksdio.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/bluetooth/btmtksdio.c b/drivers/bluetooth/btmtksdio.c index 25fb9c79b1f4..784e65c3fddd 100644 --- a/drivers/bluetooth/btmtksdio.c +++ b/drivers/bluetooth/btmtksdio.c @@ -87,8 +87,12 @@ MODULE_DEVICE_TABLE(sdio, btmtksdio_table); #define RX_DONE_INT BIT(1) #define TX_EMPTY BIT(2) #define TX_FIFO_OVERFLOW BIT(8) +#define FW_MAILBOX_INT BIT(15) #define RX_PKT_LEN GENMASK(31, 16) +#define MTK_REG_PH2DSM0R 0xc4 +#define PH2DSM0R_DRIVER_OWN BIT(0) + #define MTK_REG_CTDR 0x18 #define MTK_REG_CRDR 0x1c @@ -481,6 +485,12 @@ static void btmtksdio_txrx_work(struct work_struct *work) */ sdio_writel(bdev->func, int_status, MTK_REG_CHISR, NULL); + if ((int_status & FW_MAILBOX_INT) && + bdev->data->chipid == 0x7921) { + sdio_writel(bdev->func, PH2DSM0R_DRIVER_OWN, + MTK_REG_PH2DSM0R, 0); + } + if (int_status & FW_OWN_BACK_INT) bt_dev_dbg(bdev->hdev, "Get fw own back");