780477d17c
This patch backports changes to crypto4xx in order to get the crypto4xx operational. Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
59 lines
2 KiB
Diff
59 lines
2 KiB
Diff
From 40e3b847bff70edc28c5290d209e531da6f9e534 Mon Sep 17 00:00:00 2001
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From: Christian Lamparter <chunkeey@googlemail.com>
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Date: Fri, 25 Aug 2017 15:47:23 +0200
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Subject: [PATCH 10/25] crypto: crypto4xx - replace crypto4xx_dev's
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scatter_buffer_size with constant
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scatter_buffer_size is always set to PPC4XX_SD_BUFFER_SIZE.
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I don't think there's any point in keeping the variable
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around.
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Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
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Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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---
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drivers/crypto/amcc/crypto4xx_core.c | 7 +++----
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drivers/crypto/amcc/crypto4xx_core.h | 1 -
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2 files changed, 3 insertions(+), 5 deletions(-)
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--- a/drivers/crypto/amcc/crypto4xx_core.c
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+++ b/drivers/crypto/amcc/crypto4xx_core.c
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@@ -394,10 +394,9 @@ static u32 crypto4xx_build_sdr(struct cr
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if (!dev->sdr)
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return -ENOMEM;
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- dev->scatter_buffer_size = PPC4XX_SD_BUFFER_SIZE;
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dev->scatter_buffer_va =
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dma_alloc_coherent(dev->core_dev->device,
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- dev->scatter_buffer_size * PPC4XX_NUM_SD,
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+ PPC4XX_SD_BUFFER_SIZE * PPC4XX_NUM_SD,
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&dev->scatter_buffer_pa, GFP_ATOMIC);
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if (!dev->scatter_buffer_va) {
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dma_free_coherent(dev->core_dev->device,
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@@ -410,7 +409,7 @@ static u32 crypto4xx_build_sdr(struct cr
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for (i = 0; i < PPC4XX_NUM_SD; i++) {
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sd_array[i].ptr = dev->scatter_buffer_pa +
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- dev->scatter_buffer_size * i;
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+ PPC4XX_SD_BUFFER_SIZE * i;
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}
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return 0;
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@@ -425,7 +424,7 @@ static void crypto4xx_destroy_sdr(struct
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if (dev->scatter_buffer_va != NULL)
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dma_free_coherent(dev->core_dev->device,
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- dev->scatter_buffer_size * PPC4XX_NUM_SD,
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+ PPC4XX_SD_BUFFER_SIZE * PPC4XX_NUM_SD,
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dev->scatter_buffer_va,
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dev->scatter_buffer_pa);
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}
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--- a/drivers/crypto/amcc/crypto4xx_core.h
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+++ b/drivers/crypto/amcc/crypto4xx_core.h
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@@ -87,7 +87,6 @@ struct crypto4xx_device {
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program ce sdr_base_register */
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void *scatter_buffer_va;
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dma_addr_t scatter_buffer_pa;
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- u32 scatter_buffer_size;
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void *shadow_sa_pool; /* pool of memory for sa in pd_uinfo */
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dma_addr_t shadow_sa_pool_pa;
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