diff options
Diffstat (limited to 'meta-openbmc-mods/meta-common/recipes-phosphor/sensors/dbus-sensors')
-rw-r--r-- | meta-openbmc-mods/meta-common/recipes-phosphor/sensors/dbus-sensors/0001-Add-WA-enable-disable-control-code-into-cpusensor.patch | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/meta-openbmc-mods/meta-common/recipes-phosphor/sensors/dbus-sensors/0001-Add-WA-enable-disable-control-code-into-cpusensor.patch b/meta-openbmc-mods/meta-common/recipes-phosphor/sensors/dbus-sensors/0001-Add-WA-enable-disable-control-code-into-cpusensor.patch new file mode 100644 index 000000000..1e1fc9625 --- /dev/null +++ b/meta-openbmc-mods/meta-common/recipes-phosphor/sensors/dbus-sensors/0001-Add-WA-enable-disable-control-code-into-cpusensor.patch @@ -0,0 +1,50 @@ +From f9b4545af42fc673f81d043a8512db8ebfe58660 Mon Sep 17 00:00:00 2001 +From: Jae Hyun Yoo <jae.hyun.yoo@linux.intel.com> +Date: Fri, 2 Aug 2019 12:02:58 -0700 +Subject: [PATCH] Add WA enable/disable control code into cpusensor + +This commit adds a PECI WA enable/disable control code. If 'UseWA' +isn't in CPU configuration or the setting is 0, the WA will be +disabled by writing 'N' on the peci_core module parameter. + +This is a temporary WA. + +Change-Id: I73ae9ac49c9382f3ebdc800c360e078418b124e9 +Signed-off-by: Jae Hyun Yoo <jae.hyun.yoo@linux.intel.com> +--- + src/CPUSensorMain.cpp | 19 +++++++++++++++++++ + 1 file changed, 19 insertions(+) + +diff --git a/src/CPUSensorMain.cpp b/src/CPUSensorMain.cpp +index 2a3ff16f8294..b4085fd1038d 100644 +--- a/src/CPUSensorMain.cpp ++++ b/src/CPUSensorMain.cpp +@@ -629,6 +629,25 @@ bool getCpuConfig( + std::cout << "type: " << type << "\n"; + } + ++ // Temporary WA ++ uint64_t useWA = 0; ++ auto findUseWA = config.second.find("UseWA"); ++ if (findUseWA != config.second.end()) ++ { ++ useWA = std::visit(VariantToUnsignedIntVisitor(), ++ findUseWA->second); ++ } ++ if (useWA == 0) ++ { ++ std::ofstream deviceFile( ++ "/sys/module/peci_core/parameters/use_wa"); ++ if (deviceFile.good()) ++ { ++ deviceFile << 'N'; ++ } ++ deviceFile.close(); ++ } ++ + cpuConfigs.emplace(bus, addr, name, State::OFF); + } + } +-- +2.7.4 + |