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sw_services:xilsecure: Fix for authentication failures

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Acknowledge DMA transfer is complete by clearing DONE status.
This will make sure that the next transfer doesn’t assume DONE when it isn’t.

Signed-off-by: Sarat Chand Savitala <saratcha@xilinx.com>
Acked-by: Krishna Chaitanya Patakamuri <kpataka@xilinx.com>
This commit is contained in:
Sarat Chand Savitala 2015-10-15 16:32:39 +05:30 • committed by Nava kishore Manne
parent 7b0809dbe4
commit c023b29bc4
1 changed files with 4 additions and 0 deletions
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4
lib/sw_services/xilsecure/src/xsecure_sha.c
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@ -185,6 +185,10 @@ void XSecure_Sha3Update(XSecure_Sha3 *InstancePtr, const u8 *Data,
/* Checking the CSU DMA done bit should be enough. */ /* Checking the CSU DMA done bit should be enough. */
XCsuDma_WaitForDone(InstancePtr->CsuDmaPtr, XCSUDMA_SRC_CHANNEL); XCsuDma_WaitForDone(InstancePtr->CsuDmaPtr, XCSUDMA_SRC_CHANNEL);
/* Acknowledge the transfer has completed */
XCsuDma_IntrClear(InstancePtr->CsuDmaPtr, XCSUDMA_SRC_CHANNEL,
XCSUDMA_IXR_DONE_MASK);
} }