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ARM: dts: artpec: disable Accelerator Coherency Port
authorNiklas Cassel <niklas.cassel@axis.com>
Wed, 21 Feb 2018 08:59:53 +0000 (09:59 +0100)
committerArnd Bergmann <arnd@arndb.de>
Tue, 6 Mar 2018 16:39:50 +0000 (17:39 +0100)
commit0fc123744e8fbe6dd933b5ef2892e4c70d2f2fb3
tree2b0ac572323cc1bd5939031ec223cfe168fb5fb7tree | snapshot
parent661e50bc853209e41a5c14a290ca4decc43cbfd1commit | diff
ARM: dts: artpec: disable Accelerator Coherency Port

Accesses via 0x80000000 go through the ACP instead of using the DDR
directly.

Unfortunately the ACP has proven to be the cause of complete system
hangs. Disabling the ACP makes these problems go away.

Signed-off-by: Niklas Cassel <niklas.cassel@axis.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
arch/arm/boot/dts/artpec6.dtsi diff | blob | history
John Crispins staging tree