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path: root/drivers/crypto/ccp
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Diffstat (limited to 'drivers/crypto/ccp')
-rw-r--r--drivers/crypto/ccp/Kconfig1
-rw-r--r--drivers/crypto/ccp/ccp-ops.c9
-rw-r--r--drivers/crypto/ccp/ccp-platform.c2
3 files changed, 5 insertions, 7 deletions
diff --git a/drivers/crypto/ccp/Kconfig b/drivers/crypto/ccp/Kconfig
index 7639ffc36c68..ae38f6b6cc10 100644
--- a/drivers/crypto/ccp/Kconfig
+++ b/drivers/crypto/ccp/Kconfig
@@ -13,7 +13,6 @@ config CRYPTO_DEV_CCP_CRYPTO
tristate "Encryption and hashing acceleration support"
depends on CRYPTO_DEV_CCP_DD
default m
- select CRYPTO_ALGAPI
select CRYPTO_HASH
select CRYPTO_BLKCIPHER
select CRYPTO_AUTHENC
diff --git a/drivers/crypto/ccp/ccp-ops.c b/drivers/crypto/ccp/ccp-ops.c
index 71f2e3c89424..d09c6c4af4aa 100644
--- a/drivers/crypto/ccp/ccp-ops.c
+++ b/drivers/crypto/ccp/ccp-ops.c
@@ -52,8 +52,7 @@ struct ccp_dm_workarea {
struct ccp_sg_workarea {
struct scatterlist *sg;
- unsigned int nents;
- unsigned int length;
+ int nents;
struct scatterlist *dma_sg;
struct device *dma_dev;
@@ -496,8 +495,10 @@ static int ccp_init_sg_workarea(struct ccp_sg_workarea *wa, struct device *dev,
if (!sg)
return 0;
- wa->nents = sg_nents(sg);
- wa->length = sg->length;
+ wa->nents = sg_nents_for_len(sg, len);
+ if (wa->nents < 0)
+ return wa->nents;
+
wa->bytes_left = len;
wa->sg_used = 0;
diff --git a/drivers/crypto/ccp/ccp-platform.c b/drivers/crypto/ccp/ccp-platform.c
index b1c20b2b5647..c0aa5c5c5f9d 100644
--- a/drivers/crypto/ccp/ccp-platform.c
+++ b/drivers/crypto/ccp/ccp-platform.c
@@ -174,8 +174,6 @@ static int ccp_platform_probe(struct platform_device *pdev)
}
ccp->io_regs = ccp->io_map;
- if (!dev->dma_mask)
- dev->dma_mask = &dev->coherent_dma_mask;
ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(48));
if (ret) {
dev_err(dev, "dma_set_mask_and_coherent failed (%d)\n", ret);