diff options
Diffstat (limited to 'drivers/crypto/caam/regs.h')
-rw-r--r-- | drivers/crypto/caam/regs.h | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/drivers/crypto/caam/regs.h b/drivers/crypto/caam/regs.h index 6acfef30a90c..4efc10534873 100644 --- a/drivers/crypto/caam/regs.h +++ b/drivers/crypto/caam/regs.h @@ -172,12 +172,20 @@ static inline void wr_reg64(void __iomem *reg, u64 data) static inline u64 rd_reg64(void __iomem *reg) { - if (!caam_imx && caam_little_end) - return ((u64)rd_reg32((u32 __iomem *)(reg) + 1) << 32 | - (u64)rd_reg32((u32 __iomem *)(reg))); + if (caam_little_end) { + if (caam_imx) { + u32 low, high; - return ((u64)rd_reg32((u32 __iomem *)(reg)) << 32 | - (u64)rd_reg32((u32 __iomem *)(reg) + 1)); + high = ioread32(reg); + low = ioread32(reg + sizeof(u32)); + + return low + ((u64)high << 32); + } else { + return ioread64(reg); + } + } else { + return ioread64be(reg); + } } #endif /* CONFIG_64BIT */ |