On Fri, Sep 04, 2020 at 01:25:27PM +0200, Nicolas Toromanoff wrote: > 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@xxxxxx> > --- > drivers/crypto/stm32/Kconfig | 2 ++ > drivers/crypto/stm32/stm32-crc32.c | 15 ++++++++++++--- > 2 files changed, 14 insertions(+), 3 deletions(-) > > diff --git a/drivers/crypto/stm32/Kconfig b/drivers/crypto/stm32/Kconfig > index 4ef3eb11361c..8d605b07571f 100644 > --- a/drivers/crypto/stm32/Kconfig > +++ b/drivers/crypto/stm32/Kconfig > @@ -3,6 +3,8 @@ config CRYPTO_DEV_STM32_CRC > tristate "Support for STM32 crc accelerators" > depends on ARCH_STM32 > select CRYPTO_HASH > + select CRYPTO_CRC32 > + select CRYPTO_CRC32C Shouldn't this be "select CRC32"? Thanks, -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt