RTL_ECC_PARITY_SIZE_BCH12
ctx->parity_size = strength == 6 ? RTL_ECC_PARITY_SIZE_BCH6 : RTL_ECC_PARITY_SIZE_BCH12;
#define RTL_ECC_DMA_FREE_PARITY_SIZE ALIGN(RTL_ECC_FREE_SIZE + RTL_ECC_PARITY_SIZE_BCH12, 4)