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(parent: 3142205) | patch
Writing to the DTR register on KA60 resets the TCR register behind our back.
authormiod <miod@openbsd.org>
Sun, 24 Aug 2008 14:51:22 +0000 (14:51 +0000)
committermiod <miod@openbsd.org>
Sun, 24 Aug 2008 14:51:22 +0000 (14:51 +0000)
commit2c6cde36080b06a7e3f6484d1771f0fa7f348ccb
treeac7dae5819825c8b9a9a5e4c3d988402325719f6tree | snapshot
parent3142205501d197bf68a979b0957d35f5242f402ecommit | diff
Writing to the DTR register on KA60 resets the TCR register behind our back.
Preserve it explicitely in dzmctl() and restore it after the DTR update.
(This problem was a real PITA to track down)
sys/arch/vax/qbus/dz.c diff | blob | history
OpenBSD src
by Ahmet Artu Yildirim