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From d06d0a8fabd699fc1cab4fbd6e4572ce0b22a905 Mon Sep 17 00:00:00 2001
From: James Feist <james.feist@linux.intel.com>
Date: Thu, 23 Apr 2020 14:01:38 -0700
Subject: [PATCH 1/1] Only allow drive sensors on bus 2 for ast2500
CPLD doesn't allow multi-master, so readings wont work.
Put in a work-around to only allow bus 2 transactions.
Tested: Only valid sensors were installed.
Change-Id: Ib9e75ffd0dd64cf548d15cce9a6052332ac5ec43
Signed-off-by: James Feist <james.feist@linux.intel.com>
---
src/NVMeSensorMain.cpp | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/src/NVMeSensorMain.cpp b/src/NVMeSensorMain.cpp
index 1858ea9..844f061 100644
--- a/src/NVMeSensorMain.cpp
+++ b/src/NVMeSensorMain.cpp
@@ -111,6 +111,12 @@ void createSensors(boost::asio::io_service& io,
rootBus = std::stoi(rootName.substr(0, dash));
}
+ // HACK: cpld on current products doesn't allow multi-master
+ if (rootBus != 2)
+ {
+ continue;
+ }
+
std::shared_ptr<NVMeContext> context;
auto findRoot = nvmeDeviceMap.find(rootBus);
if (findRoot != nvmeDeviceMap.end())
--
2.17.1
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