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From: Chuhong Yuan <hslester96@gmail.com>
To: unlisted-recipients:; (no To-header on input)
Cc: Woojung Huh <woojung.huh@microchip.com>,
	Microchip Linux Driver Support <UNGLinuxDriver@microchip.com>,
	"David S . Miller" <davem@davemloft.net>,
	netdev@vger.kernel.org, linux-usb@vger.kernel.org,
	linux-kernel@vger.kernel.org, Chuhong Yuan <hslester96@gmail.com>
Subject: [PATCH] net: lan78xx: Merge memcpy + lexx_to_cpus to get_unaligned_lexx
Date: Fri, 19 Jul 2019 15:36:15 +0800	[thread overview]
Message-ID: <20190719073614.1850-1-hslester96@gmail.com> (raw)

Merge the combo use of memcpy and lexx_to_cpus.
Use get_unaligned_lexx instead.
This simplifies the code.

Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
---
 drivers/net/usb/lan78xx.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c
index 3d92ea6fcc02..9c33b35bd155 100644
--- a/drivers/net/usb/lan78xx.c
+++ b/drivers/net/usb/lan78xx.c
@@ -1258,8 +1258,7 @@ static void lan78xx_status(struct lan78xx_net *dev, struct urb *urb)
 		return;
 	}
 
-	memcpy(&intdata, urb->transfer_buffer, 4);
-	le32_to_cpus(&intdata);
+	intdata = get_unaligned_le32(urb->transfer_buffer);
 
 	if (intdata & INT_ENP_PHY_INT) {
 		netif_dbg(dev, link, dev->net, "PHY INTR: 0x%08x\n", intdata);
@@ -3105,16 +3104,13 @@ static int lan78xx_rx(struct lan78xx_net *dev, struct sk_buff *skb)
 		struct sk_buff *skb2;
 		unsigned char *packet;
 
-		memcpy(&rx_cmd_a, skb->data, sizeof(rx_cmd_a));
-		le32_to_cpus(&rx_cmd_a);
+		rx_cmd_a = get_unaligned_le32(skb->data);
 		skb_pull(skb, sizeof(rx_cmd_a));
 
-		memcpy(&rx_cmd_b, skb->data, sizeof(rx_cmd_b));
-		le32_to_cpus(&rx_cmd_b);
+		rx_cmd_b = get_unaligned_le32(skb->data);
 		skb_pull(skb, sizeof(rx_cmd_b));
 
-		memcpy(&rx_cmd_c, skb->data, sizeof(rx_cmd_c));
-		le16_to_cpus(&rx_cmd_c);
+		rx_cmd_c = get_unaligned_le16(skb->data);
 		skb_pull(skb, sizeof(rx_cmd_c));
 
 		packet = skb->data;
-- 
2.20.1


             reply	other threads:[~2019-07-19  7:36 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-19  7:36 Chuhong Yuan [this message]
2019-07-19 16:30 ` [PATCH] net: lan78xx: Merge memcpy + lexx_to_cpus to get_unaligned_lexx Woojung.Huh
2019-07-22 19:13 ` David Miller

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