linux-kernel - [PATCH for-next 1/1] net: jme: migrate to dma_map_phys instead of map

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Message-ID: <20251024070734.34353-2-chuguangqing@inspur.com>
Date: Fri, 24 Oct 2025 15:07:34 +0800
From: Chu Guangqing <chuguangqing@...pur.com>
To: <cooldavid@...ldavid.org>, <andrew+netdev@...n.ch>, <davem@...emloft.net>,
	<edumazet@...gle.com>, <kuba@...nel.org>, <pabeni@...hat.com>
CC: <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>, Chu Guangqing
	<chuguangqing@...pur.com>
Subject: [PATCH for-next 1/1] net: jme: migrate to dma_map_phys instead of map_page

After introduction of dma_map_phys(), there is no need to convert
from physical address to struct page in order to map page. So let's
use it directly.

Signed-off-by: Chu Guangqing <chuguangqing@...pur.com>
---
 drivers/net/ethernet/jme.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/jme.c b/drivers/net/ethernet/jme.c
index d8be0e4dcb07..7ceeb706939d 100644
--- a/drivers/net/ethernet/jme.c
+++ b/drivers/net/ethernet/jme.c
@@ -735,9 +735,10 @@ jme_make_new_rx_buf(struct jme_adapter *jme, int i)
 	if (unlikely(!skb))
 		return -ENOMEM;
 
-	mapping = dma_map_page(&jme->pdev->dev, virt_to_page(skb->data),
-			       offset_in_page(skb->data), skb_tailroom(skb),
-			       DMA_FROM_DEVICE);
+	mapping = dma_map_phys(&jme->pdev->dev, virt_to_phys(skb->data),
+			       skb_tailroom(skb),
+			       DMA_FROM_DEVICE,
+			       0);
 	if (unlikely(dma_mapping_error(&jme->pdev->dev, mapping))) {
 		dev_kfree_skb(skb);
 		return -ENOMEM;
-- 
2.43.7