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bbf2cb1ea1
If STM32 CRC device is already in use, calculate CRC by software.
This will release CPU constraint for a concurrent access to the
hardware, and avoid masking irqs during the whole block processing.
Fixes: 7795c0baf5 ("crypto: stm32/crc32 - protect from concurrent accesses")
Signed-off-by: Nicolas Toromanoff <nicolas.toromanoff@st.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
32 lines
917 B
Text
32 lines
917 B
Text
# SPDX-License-Identifier: GPL-2.0-only
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config CRYPTO_DEV_STM32_CRC
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tristate "Support for STM32 crc accelerators"
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depends on ARCH_STM32
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select CRYPTO_HASH
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select CRC32
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help
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This enables support for the CRC32 hw accelerator which can be found
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on STMicroelectronics STM32 SOC.
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config CRYPTO_DEV_STM32_HASH
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tristate "Support for STM32 hash accelerators"
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depends on ARCH_STM32
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depends on HAS_DMA
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select CRYPTO_HASH
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select CRYPTO_MD5
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select CRYPTO_SHA1
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select CRYPTO_SHA256
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select CRYPTO_ENGINE
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help
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This enables support for the HASH hw accelerator which can be found
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on STMicroelectronics STM32 SOC.
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config CRYPTO_DEV_STM32_CRYP
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tristate "Support for STM32 cryp accelerators"
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depends on ARCH_STM32
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select CRYPTO_HASH
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select CRYPTO_ENGINE
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select CRYPTO_LIB_DES
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help
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This enables support for the CRYP (AES/DES/TDES) hw accelerator which
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can be found on STMicroelectronics STM32 SOC.
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