lantiq: fix dma locking problems with SMP
authorHauke Mehrtens <hauke@hauke-m.de>
Fri, 30 Dec 2016 12:11:34 +0000 (13:11 +0100)
committerHauke Mehrtens <hauke@hauke-m.de>
Mon, 9 Jan 2017 19:23:28 +0000 (20:23 +0100)
commit2dac67464d47fd1c7d87108cfdc04af28d32b264
tree7b7b2c50073c7db600d7eb7512cd15de97c8985a
parent828a471e8dccf23d8da3ff0719e83b69a1237b51
lantiq: fix dma locking problems with SMP

The DMA controller used only local locks, which will not lock the
section against other CPUs, fix this by using spin locks.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
target/linux/lantiq/patches-4.4/0170-MIPS-lantiq-lock-DMA-register-accesses-for-SMP.patch [new file with mode: 0644]