From patchwork Fri Sep 17 23:59:24 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sean Wang X-Patchwork-Id: 12503145 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D43A2C433F5 for ; Sat, 18 Sep 2021 00:00:41 +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 A5DFC61179 for ; Sat, 18 Sep 2021 00:00:41 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org A5DFC61179 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=obdASho4eoKTsDJBmTWNwJQBiWVCd6xfe4/pDMWE25c=; b=xKdqTxVaESEh+L NFWuGdqspk1XbRpFPLHz7AjyrWbKrQFCojwPLigBYuE5WmgstJnhcXnZmqatmP7EW/jF7nmcth4QJ 3cCpz5TnPoTnXlEosp8+r6GhMkiio/vQWl4k0Kma5Uzi9dJU8MYlo9dMMl0kNVITgGLMZw5tzdjmt ITNh1gzUS8YB0zMatVebNgC20IkmOS9aN1CqPZxZVGdjx/WGfX8jrk657i4iUfoyHyjwZRQMNsA6i YWDRcYvAzGYbbVPD6N5qT47LYxgq3o7UIgVe0xye61y1sKIwq7n3OjxPYBpLQ+1zKnHH8n231ws/9 WY2wefkWVg/iCzbV/LrA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mRNmR-00FBEI-3v; Sat, 18 Sep 2021 00:00:31 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mRNmO-00FBDB-MA for linux-mediatek@lists.infradead.org; Sat, 18 Sep 2021 00:00:29 +0000 X-UUID: 0803ce39e0fd4d18ac433684f9e53e70-20210917 X-UUID: 0803ce39e0fd4d18ac433684f9e53e70-20210917 Received: from mtkcas68.mediatek.inc [(172.29.94.19)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1481835375; Fri, 17 Sep 2021 17:00:11 -0700 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 17 Sep 2021 17:00:08 -0700 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Sat, 18 Sep 2021 08:00:08 +0800 From: To: , CC: , , , , , , , , , , , , , , , , , , , , Subject: [PATCH v2 08/16] mt76: mt7921: make all event parser reusable between mt7921s and mt7921e Date: Sat, 18 Sep 2021 07:59:24 +0800 Message-ID: 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-20210917_170028_780162_FB222562 X-CRM114-Status: GOOD ( 11.94 ) 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 The longer event such as the event for mcu_get_nic_capability would hold the data in paged fragment skb for the SDIO device so we turn the skb to be linearized skb before accessing it to reuse the same event parser betweem mt7921s and mt7921e. Tested-by: Deren Wu Signed-off-by: Sean Wang --- drivers/net/wireless/mediatek/mt76/mt7921/mcu.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c index 866b8797f16e..863781895652 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c @@ -456,7 +456,14 @@ mt7921_mcu_rx_unsolicited_event(struct mt7921_dev *dev, struct sk_buff *skb) void mt7921_mcu_rx_event(struct mt7921_dev *dev, struct sk_buff *skb) { - struct mt7921_mcu_rxd *rxd = (struct mt7921_mcu_rxd *)skb->data; + struct mt7921_mcu_rxd *rxd; + int ret; + + ret = skb_linearize(skb); + if (ret) + return; + + rxd = (struct mt7921_mcu_rxd *)skb->data; if (rxd->eid == 0x6) { mt76_mcu_rx_event(&dev->mt76, skb);