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(parent: e4e32af) | patch
dpaa_eth: perform DMA unmapping before read
authorMadalin Bucur <madalin.bucur@nxp.com>
Thu, 31 Oct 2019 14:37:49 +0000 (16:37 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 26 Jan 2020 09:01:05 +0000 (10:01 +0100)
commit54c45b818ad1f91aad149e0e5c0fdfadcab17f19
tree1423cf336d43eec37821346cc7b95571688890a7tree | snapshot
parente4e32af72d0cd26d1ca291a85b6e5e6e7b0dd576commit | diff
dpaa_eth: perform DMA unmapping before read

[ Upstream commit c70fd3182caef014e6c628b412f81aa57a3ef9e4 ]

DMA unmapping is required before accessing the HW provided timestamping
information.

Fixes: 4664856e9ca2 ("dpaa_eth: add support for hardware timestamping")
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/net/ethernet/freescale/dpaa/dpaa_eth.c diff | blob | history
Domain: System / Kernel;