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MIPS: lantiq: dma: add small delay after reset
authorAleksander Jan Bajkowski <olek2@wp.pl>
Tue, 14 Sep 2021 21:20:58 +0000 (23:20 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 26 Nov 2021 10:48:27 +0000 (11:48 +0100)
commitac9ab5dfcbd1786ef5d0be549de8577f5ca28a6a
tree6a0a20f2dabe09bc8ab8e1c054c9775db9f3a5f5tree | snapshot (tar.gz zip)
parent783ab950cca8f7bdb234acee1e0d498acd537532commit | diff
MIPS: lantiq: dma: add small delay after reset

[ Upstream commit c12aa581f6d5e80c3c3675ab26a52c2b3b62f76e ]

Reading the DMA registers immediately after the reset causes
Data Bus Error. Adding a small delay fixes this issue.

Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
arch/mips/lantiq/xway/dma.c diff | blob | blame | history