linux-kernel - [PATCH 18/22] net: ethernet: mtk-star-emac: Don't use GFP_DMA when calling dmam_alloc

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Message-Id: <20220219005221.634-19-bhe@redhat.com>
Date:   Sat, 19 Feb 2022 08:52:17 +0800
From:   Baoquan He <bhe@...hat.com>
To:     linux-kernel@...r.kernel.org
Cc:     linux-mm@...ck.org, akpm@...ux-foundation.org, hch@....de,
        cl@...ux.com, 42.hyeyoo@...il.com, penberg@...nel.org,
        rientjes@...gle.com, iamjoonsoo.kim@....com, vbabka@...e.cz,
        David.Laight@...LAB.COM, david@...hat.com,
        herbert@...dor.apana.org.au, davem@...emloft.net,
        linux-crypto@...r.kernel.org, steffen.klassert@...unet.com,
        netdev@...r.kernel.org, hca@...ux.ibm.com, gor@...ux.ibm.com,
        agordeev@...ux.ibm.com, borntraeger@...ux.ibm.com,
        svens@...ux.ibm.com, linux-s390@...r.kernel.org, michael@...le.cc,
        linux-i2c@...r.kernel.org, wsa@...nel.org
Subject: [PATCH 18/22] net: ethernet: mtk-star-emac: Don't use GFP_DMA when calling dmam_alloc_coherent()

dmam_alloc_coherent() uses struct dma_devres to manage data, and call
dma_alloc_attrs() to allocate cohenrent DMA memory, so it's redundent
to specify GFP_DMA when calling.

Signed-off-by: Baoquan He <bhe@...hat.com>
---
 drivers/net/ethernet/mediatek/mtk_star_emac.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mediatek/mtk_star_emac.c b/drivers/net/ethernet/mediatek/mtk_star_emac.c
index 89ca7960b225..55b95f51ac75 100644
--- a/drivers/net/ethernet/mediatek/mtk_star_emac.c
+++ b/drivers/net/ethernet/mediatek/mtk_star_emac.c
@@ -1533,7 +1533,7 @@ static int mtk_star_probe(struct platform_device *pdev)
 
 	priv->ring_base = dmam_alloc_coherent(dev, MTK_STAR_DMA_SIZE,
 					      &priv->dma_addr,
-					      GFP_KERNEL | GFP_DMA);
+					      GFP_KERNEL);
 	if (!priv->ring_base)
 		return -ENOMEM;
 
-- 
2.17.2