Commit 948e35f1 authored by Yang Shen's avatar Yang Shen Committed by Herbert Xu
Browse files

crypto: hisilicon/sgl - align the hardware sgl dma address 



The hardware needs aligned sgl dma address. So expend the sgl_size to
align 64 bytes.

Signed-off-by: default avatarYang Shen <shenyang39@huawei.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 5bfabd50

drivers/crypto/hisilicon/sgl.c

+4 −2
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0

/* Copyright (c) 2019 HiSilicon Limited. */

#include <linux/align.h>

#include <linux/dma-mapping.h>

#include <linux/hisi_acc_qm.h>

#include <linux/module.h>
@@ -64,8 +65,9 @@ struct hisi_acc_sgl_pool *hisi_acc_create_sgl_pool(struct device *dev, 
	if (!dev || !count || !sge_nr || sge_nr > HISI_ACC_SGL_SGE_NR_MAX)

		return ERR_PTR(-EINVAL);



	sgl_size = sizeof(struct acc_hw_sge) * sge_nr +

		   sizeof(struct hisi_acc_hw_sgl);

	sgl_size = ALIGN(sizeof(struct acc_hw_sge) * sge_nr +

			 sizeof(struct hisi_acc_hw_sgl),

			 HISI_ACC_SGL_ALIGN_SIZE);



	/*

	 * the pool may allocate a block of memory of size PAGE_SIZE * 2^(MAX_ORDER - 1),