From f97581cfa6e7db9818520597b8a44f8268d75013 Mon Sep 17 00:00:00 2001 From: Tudor Ambarus Date: Fri, 30 Sep 2016 12:09:39 +0300 Subject: crypto: caam - treat SGT address pointer as u64 Even for i.MX, CAAM is able to use address pointers greater than 32 bits, the address pointer field being interpreted as a double word. Enforce u64 address pointer in the sec4_sg_entry struct. This patch fixes the SGT address pointer endianness issue for 32bit platforms where core endianness != caam endianness. Signed-off-by: Tudor Ambarus Signed-off-by: Herbert Xu --- drivers/crypto/caam/regs.h | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'drivers/crypto/caam/regs.h') diff --git a/drivers/crypto/caam/regs.h b/drivers/crypto/caam/regs.h index b3c5016f6458..84d2f838a063 100644 --- a/drivers/crypto/caam/regs.h +++ b/drivers/crypto/caam/regs.h @@ -196,6 +196,14 @@ static inline u64 rd_reg64(void __iomem *reg) #define caam_dma_to_cpu(value) caam32_to_cpu(value) #endif /* CONFIG_ARCH_DMA_ADDR_T_64BIT */ +#ifdef CONFIG_CRYPTO_DEV_FSL_CAAM_IMX +#define cpu_to_caam_dma64(value) \ + (((u64)cpu_to_caam32(lower_32_bits(value)) << 32) | \ + (u64)cpu_to_caam32(upper_32_bits(value))) +#else +#define cpu_to_caam_dma64(value) cpu_to_caam64(value) +#endif + /* * jr_outentry * Represents each entry in a JobR output ring -- cgit v1.2.3