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authorDean Luick <dean.luick@intel.com>2016-04-12 21:26:21 +0300
committerDoug Ledford <dledford@redhat.com>2016-04-28 23:32:28 +0300
commit90315ad86abfe2fe43a564d705a342d823c1589c (patch)
treef6c53c2fdda8cde824ce13f92339699f872eb187 /tools
parent623bba2d92a32572e21758a17718eeec65594f7d (diff)
downloadlinux-90315ad86abfe2fe43a564d705a342d823c1589c.tar.xz
IB/hfi1: Guard against concurrent I2C access across all chains
The discrete ASIC board design makes the two I2C chains not independent of each other. That is, only one chain can safely be accessed at a time. For discrete ASIC devices, adjust the resource locking so that access to one I2C chain will lock both of the chains. Reviewed-by: Easwar Hariharan <easwar.hariharan@intel.com> Signed-off-by: Dean Luick <dean.luick@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'tools')
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