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From: <sean.wang@mediatek.com>
To: <nbd@nbd.name>, <lorenzo.bianconi@redhat.com>
Cc: <sean.wang@mediatek.com>, <Soul.Huang@mediatek.com>,
	<YN.Chen@mediatek.com>, <Leon.Yen@mediatek.com>,
	<Eric-SY.Chang@mediatek.com>, <Mark-YW.Chen@mediatek.com>,
	<Deren.Wu@mediatek.com>, <km.lin@mediatek.com>,
	<robin.chiu@mediatek.com>, <Eddie.Chen@mediatek.com>,
	<ch.yeh@mediatek.com>, <posh.sun@mediatek.com>,
	<ted.huang@mediatek.com>, <Eric.Liang@mediatek.com>,
	<Stella.Chang@mediatek.com>, <Tom.Chou@mediatek.com>,
	<steve.lee@mediatek.com>, <jsiuda@google.com>,
	<frankgor@google.com>, <jemele@google.com>,
	<abhishekpandit@google.com>, <shawnku@google.com>,
	<linux-wireless@vger.kernel.org>,
	<linux-mediatek@lists.infradead.org>
Subject: [PATCH v4 08/16] mt76: mt7921: make all event parser reusable between mt7921s and mt7921e
Date: Wed, 13 Oct 2021 06:52:01 +0800	[thread overview]
Message-ID: <c626a658a18558750df84bbcb67b68ae9e97590e.1634077769.git.objelf@gmail.com> (raw)
In-Reply-To: <cover.1634077769.git.objelf@gmail.com>

From: Sean Wang <sean.wang@mediatek.com>

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 <deren.wu@mediatek.com>
Acked-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
---
 drivers/net/wireless/mediatek/mt76/mt7921/mcu.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
index 95f7866b3d57..94d6c3935fb2 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
@@ -455,7 +455,12 @@ 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;
+
+	if (skb_linearize(skb))
+		return;
+
+	rxd = (struct mt7921_mcu_rxd *)skb->data;
 
 	if (rxd->eid == 0x6) {
 		mt76_mcu_rx_event(&dev->mt76, skb);
-- 
2.25.1


  parent reply	other threads:[~2021-10-12 22:52 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-12 22:51 [PATCH v4 00/16] Add MT7921 SDIO WiFi support sean.wang
2021-10-12 22:51 ` [PATCH v4 01/16] mt76: mt7921: refactor mac.c to be bus independent sean.wang
2021-10-12 22:51 ` [PATCH v4 02/16] mt76: mt7921: refactor dma.c to be pcie specific sean.wang
2021-10-12 22:51 ` [PATCH v4 03/16] mt76: mt7921: refactor mcu.c to be bus independent sean.wang
2021-10-12 22:51 ` [PATCH v4 04/16] mt76: mt7921: refactor init.c " sean.wang
2021-10-12 22:51 ` [PATCH v4 05/16] mt76: mt7921: add MT7921_COMMON module sean.wang
2021-10-12 22:51 ` [PATCH v4 06/16] mt76: connac: move mcu reg access utility routines in mt76_connac_lib module sean.wang
2021-10-12 22:52 ` [PATCH v4 07/16] mt76: mt7663s: rely on mcu reg access utility sean.wang
2021-10-12 22:52 ` sean.wang [this message]
2021-10-12 22:52 ` [PATCH v4 09/16] mt76: mt7921: use physical addr to unify register access sean.wang
2021-10-12 22:52 ` [PATCH v4 10/16] mt76: sdio: move common code in mt76_sdio module sean.wang
2021-10-12 22:52 ` [PATCH v4 11/16] mt76: sdio: extend sdio module to support CONNAC2 sean.wang
2021-10-13 16:29   ` Lorenzo Bianconi
2021-10-12 22:52 ` [PATCH v4 12/16] mt76: connac: extend mcu_get_nic_capability sean.wang
2021-10-12 22:52 ` [PATCH v4 13/16] mt76: mt7921: rely on mcu_get_nic_capability sean.wang
2021-10-12 22:52 ` [PATCH v4 14/16] mt76: mt7921: refactor mt7921_mcu_send_message sean.wang
2021-10-12 22:52 ` [PATCH v4 15/16] mt76: mt7921: introduce mt7921s support sean.wang
2021-10-12 22:52 ` [PATCH v4 16/16] mt76: mt7921s: add reset support sean.wang

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