This is a note to let you know that I've just added the patch titled

staging: ccree: fix 64 bit scatter/gather DMA ops

to the 4.13-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...

The filename of the patch is: staging-ccree-fix-64-bit-scatter-gather-dma-ops.patch and it can be found in the queue-4.13 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.

From e0b3f39092a1cff5548cbaf40096ec25e7721de6 Mon Sep 17 00:00:00 2001

From: Gilad Ben-Yossef gilad@benyossef.com Date: Mon, 30 Oct 2017 13:38:03 +0000 Subject: staging: ccree: fix 64 bit scatter/gather DMA ops

From: Gilad Ben-Yossef gilad@benyossef.com

commit e0b3f39092a1cff5548cbaf40096ec25e7721de6 upstream.

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 stuart.yoder@arm.com Signed-off-by: Gilad Ben-Yossef gilad@benyossef.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org

--- drivers/staging/ccree/cc_lli_defs.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

--- 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[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 */ }

Patches currently in stable-queue which might be from gilad@benyossef.com are

queue-4.13/staging-ccree-fix-64-bit-scatter-gather-dma-ops.patch