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

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

Signed-off-by: Yang Shen <shenyang39@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Yang Shen 2022-04-09 17:33:09 +08:00 committed by Herbert Xu
parent 5bfabd50c6
commit 948e35f131
1 changed files with 4 additions and 2 deletions

6
drivers/crypto/hisilicon/sgl.c
View File

@ -1,5 +1,6 @@
// 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),