From: Gilad Ben-Yossef Date: Mon, 30 Oct 2017 13:38:03 +0000 (+0000) Subject: staging: ccree: fix 64 bit scatter/gather DMA ops X-Git-Tag: v5.15~10046^2~54 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e0b3f39092a1cff5548cbaf40096ec25e7721de6;p=platform%2Fkernel%2Flinux-starfive.git staging: ccree: fix 64 bit scatter/gather DMA ops Fix a wrong offset used in splitting a 64 DMA address to MSB/LSB parts needed for scatter/gather HW descriptors causing operations relying on them to fail on 64 bit platforms. Fixes: c6f7f2f4591f ("staging: ccree: refactor LLI access macros") Reported-by: Stuart Yoder Signed-off-by: Gilad Ben-Yossef Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/ccree/cc_lli_defs.h b/drivers/staging/ccree/cc_lli_defs.h index 851d390..a9c417b 100644 --- a/drivers/staging/ccree/cc_lli_defs.h +++ b/drivers/staging/ccree/cc_lli_defs.h @@ -59,7 +59,7 @@ static inline void cc_lli_set_addr(u32 *lli_p, dma_addr_t addr) lli_p[LLI_WORD0_OFFSET] = (addr & U32_MAX); #ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT lli_p[LLI_WORD1_OFFSET] &= ~LLI_HADDR_MASK; - lli_p[LLI_WORD1_OFFSET] |= FIELD_PREP(LLI_HADDR_MASK, (addr >> 16)); + lli_p[LLI_WORD1_OFFSET] |= FIELD_PREP(LLI_HADDR_MASK, (addr >> 32)); #endif /* CONFIG_ARCH_DMA_ADDR_T_64BIT */ }