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authornbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2011-08-04 17:36:27 +0000
committernbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2011-08-04 17:36:27 +0000
commit27818ae52468960526f812b8629043ad72d8c7eb (patch)
treeb54751568f45b9ef4b3feb77b866856dc732039d /BSDmakefile
parent3fe5c4149be89260eb8870c0272d512197b24c99 (diff)
ag71xx: fix memory corruption issues on ar7240 on ethernet start/stop
When the DMA engine state gets corrupted due to a hardware issues, it often won't stop rx until a full reset is issued. In that case the hardware must keep a valid descriptor, otherwise it will write to random places in system RAM, triggering random crashes. To fix this, keep a dummy descriptor without a buffer that keeps the DMA engine in a sane state until the reset is done git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27895 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'BSDmakefile')
0 files changed, 0 insertions, 0 deletions