diff mbox series

[18/22] net: ethernet: mtk-star-emac: Don't use GFP_DMA when calling dmam_alloc_coherent()

Message ID 20220219005221.634-19-bhe@redhat.com (mailing list archive)
State New
Headers show
Series Don't use kmalloc() with GFP_DMA | expand

Commit Message

Baoquan He Feb. 19, 2022, 12:52 a.m. UTC 
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@redhat.com>
---
 drivers/net/ethernet/mediatek/mtk_star_emac.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Christoph Hellwig Feb. 19, 2022, 7:13 a.m. UTC | #1 
On Sat, Feb 19, 2022 at 08:52:17AM +0800, Baoquan He wrote:
> 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.

Looks good,

Reviewed-by: Christoph Hellwig <hch@lst.de>
diff mbox series

Patch

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;