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(parent: 55bf618) | patch
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>
Thu, 18 Nov 2021 18:16:09 +0000 (19:16 +0100)
commit6a5b3f5dfb02e2ce9f0c98e74b18b7d1ad9cf13d
tree7cc3a72061831dc09c5299fb727bace3a5c8adebtree | snapshot
parent55bf61828ab33b959ecc41b66c6a3725fb921ec1commit | 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 | history
Domain: System / Kernel;