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received-spf: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) x-microsoft-antispam-message-info: jlUL/6X95PDp8fzB35DF/KAZchkMa7JLkeqgSDCSRc0dLuTasjL5WQwE+GXWGIAcMGjBMV8+7pP51cRuTA2rGkcn5of7lzm/S+HzK2TaLnI8R+Np9awnbWmpDRt4fK8pTXNkHxazOqKD7xcCBYllf0cq8F4IJgFAFF5n4nB0570lussEPWm3m4N0OOCXb4Zbma+E2aBfWe2p1j8jG0n6AsIEcU8lb+Ab/mUQ/+jv7kfjsvSIKyG1MbTPI7/D5woOwwz2EuUylYzq75Ak/QZvqf8fv/dQY+bAj1Xjq4ZtwRbM1Iri6fhyIVbLIEnA9oTRwppF3lpFvZdXtgOh1nQz2E6jHMpL6hzuVzTD4yQwsso= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: a025e653-68c8-4bec-f4fe-08d643999d92 X-MS-Exchange-CrossTenant-originalarrivaltime: 06 Nov 2018 03:40:37.6698 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB7PR04MB5226 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Lucas Stach DMA buffer descriptors aren't allocated from atomic context, so they can use the less heavyweigth GFP_NOWAIT. Signed-off-by: Lucas Stach Signed-off-by: Robin Gong --- drivers/dma/imx-sdma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index 03d46f1..cb1b44d 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -1214,7 +1214,7 @@ static int sdma_alloc_bd(struct sdma_desc *desc) int ret =3D 0; =20 desc->bd =3D dma_zalloc_coherent(NULL, bd_size, &desc->bd_phys, - GFP_ATOMIC); + GFP_NOWAIT); if (!desc->bd) { ret =3D -ENOMEM; goto out; --=20 2.7.4