crypto: ux500 - Cleanup hardware identification
Don't use SOC specific functions to identify which crypto hardware we are talking to and use the ID provided in the module instead. Signed-off-by: Andreas Westin <andreas.westin@stericsson.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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@ -37,18 +37,16 @@ int cryp_check(struct cryp_device_data *device_data)
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if (NULL == device_data)
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return -EINVAL;
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if (cpu_is_u8500())
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peripheralid2 = CRYP_PERIPHERAL_ID2_DB8500;
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else if (cpu_is_u5500())
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peripheralid2 = CRYP_PERIPHERAL_ID2_DB5500;
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peripheralid2 = readl_relaxed(&device_data->base->periphId2);
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if (peripheralid2 != CRYP_PERIPHERAL_ID2_DB8500)
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return -EPERM;
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/* Check Peripheral and Pcell Id Register for CRYP */
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if ((CRYP_PERIPHERAL_ID0 ==
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readl_relaxed(&device_data->base->periphId0))
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&& (CRYP_PERIPHERAL_ID1 ==
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readl_relaxed(&device_data->base->periphId1))
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&& (peripheralid2 ==
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readl_relaxed(&device_data->base->periphId2))
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&& (CRYP_PERIPHERAL_ID3 ==
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readl_relaxed(&device_data->base->periphId3))
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&& (CRYP_PCELL_ID0 ==
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@ -41,7 +41,6 @@
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#define CRYP_PERIPHERAL_ID1 0x05
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#define CRYP_PERIPHERAL_ID2_DB8500 0x28
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#define CRYP_PERIPHERAL_ID2_DB5500 0x29
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#define CRYP_PERIPHERAL_ID3 0x00
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#define CRYP_PCELL_ID0 0x0D
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@ -574,15 +574,6 @@ static int hash_init(struct ahash_request *req)
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memset(&req_ctx->state, 0, sizeof(struct hash_state));
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req_ctx->updated = 0;
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if (hash_mode == HASH_MODE_DMA) {
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if ((ctx->config.oper_mode == HASH_OPER_MODE_HMAC) &&
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cpu_is_u5500()) {
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pr_debug(DEV_DBG_NAME " [%s] HMAC and DMA not working "
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"on u5500, directing to CPU mode.",
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__func__);
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req_ctx->dma_mode = false; /* Don't use DMA */
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goto out;
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}
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if (req->nbytes < HASH_DMA_ALIGN_SIZE) {
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req_ctx->dma_mode = false; /* Don't use DMA */
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@ -604,7 +595,6 @@ static int hash_init(struct ahash_request *req)
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}
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}
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}
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out:
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return 0;
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}
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