Searched hist:bbf2cb1e (Results 1 – 2 of 2) sorted by relevance
/openbmc/linux/drivers/crypto/stm32/ |
H A D | stm32-crc32.c | bbf2cb1e Wed Sep 16 01:33:44 CDT 2020 Nicolas Toromanoff <nicolas.toromanoff@st.com> crypto: stm32/crc32 - Avoid lock if hardware is already used
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: 7795c0baf5ac ("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> bbf2cb1e Wed Sep 16 01:33:44 CDT 2020 Nicolas Toromanoff <nicolas.toromanoff@st.com> crypto: stm32/crc32 - Avoid lock if hardware is already used 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: 7795c0baf5ac ("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>
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H A D | Kconfig | bbf2cb1e Wed Sep 16 01:33:44 CDT 2020 Nicolas Toromanoff <nicolas.toromanoff@st.com> crypto: stm32/crc32 - Avoid lock if hardware is already used
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: 7795c0baf5ac ("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>
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