netdev - [PATCH 13/22] spi: atmel: Don't use GFP_DMA when calling dma_alloc

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Date:   Sat, 19 Feb 2022 08:52:12 +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 13/22] spi: atmel: Don't use GFP_DMA when calling dma_alloc_coherent()

dma_alloc_coherent() allocates dma buffer with device's addressing
limitation in mind. It's redundent to specify GFP_DMA when calling
dma_alloc_coherent().

[ 42.hyeyoo@...il.com: Update changelog ]

Signed-off-by: Baoquan He <bhe@...hat.com>
Acked-by: Hyeonggon Yoo <42.hyeyoo@...il.com>
---
 drivers/spi/spi-atmel.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c
index 9e300a932699..271dacf3b7d2 100644
--- a/drivers/spi/spi-atmel.c
+++ b/drivers/spi/spi-atmel.c
@@ -1516,14 +1516,14 @@ static int atmel_spi_probe(struct platform_device *pdev)
 		as->addr_rx_bbuf = dma_alloc_coherent(&pdev->dev,
 						      SPI_MAX_DMA_XFER,
 						      &as->dma_addr_rx_bbuf,
-						      GFP_KERNEL | GFP_DMA);
+						      GFP_KERNEL);
 		if (!as->addr_rx_bbuf) {
 			as->use_dma = false;
 		} else {
 			as->addr_tx_bbuf = dma_alloc_coherent(&pdev->dev,
 					SPI_MAX_DMA_XFER,
 					&as->dma_addr_tx_bbuf,
-					GFP_KERNEL | GFP_DMA);
+					GFP_KERNEL);
 			if (!as->addr_tx_bbuf) {
 				as->use_dma = false;
 				dma_free_coherent(&pdev->dev, SPI_MAX_DMA_XFER,
-- 
2.17.2