From patchwork Mon Oct 18 21:30:18 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sean Wang X-Patchwork-Id: 12568109 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 20F67C433F5 for ; Mon, 18 Oct 2021 21:31:06 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id E859560F93 for ; Mon, 18 Oct 2021 21:31:05 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org E859560F93 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org 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:References:In-Reply-To: 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: List-Owner; bh=oH1JGBEMmVPvNSEZKUZHKpGsHMEphqzN5R0uMDMI0Pg=; b=LBel5PoYRJdh6/ 90PU3ri8kzwecJ60Cyk4EfrxaHy9PXABOi2WihQJq0lcrLfdXq26DFs7vkgc4xvH5oW4hfF2didWs qqfqNP8ZxHFzceTY8QzXLMdwRVpibZTsFdtcJ4hIXDmXph3hDG70mu8ES2qA/Vf1IkM/OfENIAHCz 75HByaTalP81XVuo0TpUmnMuUnraX5/oQJzU2t7vuFUwCINBRzxKsLo0Dt2Exy+7WijuD/500G2d5 cjav/F39hDAm498kvH1/VPASE0iLlwzISUgZiVuXcQbJRFa8H5F0+nilHy9Drfbl0sAJJRU9f++xj WmReESLZ8rwbE0y56L5w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mcaDi-00HKm6-5E; Mon, 18 Oct 2021 21:30:58 +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 1mcaDf-00HKkU-La for linux-mediatek@lists.infradead.org; Mon, 18 Oct 2021 21:30:56 +0000 X-UUID: 02e4f05c32a3400083433cb3f5093d50-20211018 X-UUID: 02e4f05c32a3400083433cb3f5093d50-20211018 Received: from mtkcas68.mediatek.inc [(172.29.94.19)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 128861028; Mon, 18 Oct 2021 14:30:50 -0700 Received: from mtkcas11.mediatek.inc (172.21.101.40) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 18 Oct 2021 14:30:48 -0700 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; Tue, 19 Oct 2021 05:30:48 +0800 From: To: , CC: , , , , , , , , , , , , , , , , , , , , , , , , , , , Mark-yw Chen Subject: [PATCH v2 07/10] Bluetooth: btmtksdio: use register CRPLR to read packet length Date: Tue, 19 Oct 2021 05:30:18 +0800 Message-ID: <69d548d8fa18183069fa27f76e8bb919d881c78d.1634592181.git.objelf@gmail.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: References: MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211018_143055_734380_0638CDE8 X-CRM114-Status: GOOD ( 11.37 ) 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: Sean Wang That is a preliminary patch to introduce mt7921s support. Use the register CRPLR to read packet length to make all the devices share the common logic. Co-developed-by: Mark-yw Chen Signed-off-by: Mark-yw Chen Signed-off-by: Sean Wang --- drivers/bluetooth/btmtksdio.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/bluetooth/btmtksdio.c b/drivers/bluetooth/btmtksdio.c index 3381c8844902..f816a7cb0a74 100644 --- a/drivers/bluetooth/btmtksdio.c +++ b/drivers/bluetooth/btmtksdio.c @@ -83,6 +83,8 @@ MODULE_DEVICE_TABLE(sdio, btmtksdio_table); #define MTK_REG_CRDR 0x1c +#define MTK_REG_CRPLR 0x24 + #define MTK_SDIO_BLOCK_SIZE 256 #define BTMTKSDIO_TX_WAIT_VND_EVT 1 @@ -404,9 +406,8 @@ static void btmtksdio_txrx_work(struct work_struct *work) struct btmtksdio_dev *bdev = container_of(work, struct btmtksdio_dev, txrx_work); unsigned long txrx_timeout; + u32 int_status, rx_size; struct sk_buff *skb; - u32 int_status; - u16 rx_size; int err; pm_runtime_get_sync(bdev->dev); @@ -450,11 +451,11 @@ static void btmtksdio_txrx_work(struct work_struct *work) bt_dev_warn(bdev->hdev, "Tx fifo overflow"); if (int_status & RX_DONE_INT) { - rx_size = (int_status & RX_PKT_LEN) >> 16; + rx_size = sdio_readl(bdev->func, MTK_REG_CRPLR, NULL); + rx_size = (rx_size & RX_PKT_LEN) >> 16; if (btmtksdio_rx_packet(bdev, rx_size) < 0) bdev->hdev->stat.err_rx++; } - } while (int_status || time_is_before_jiffies(txrx_timeout)); /* Enable interrupt */