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author | Jason M. Bills <jason.m.bills@linux.intel.com> | 2019-10-22 23:54:16 +0300 |
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committer | Jason M. Bills <jason.m.bills@linux.intel.com> | 2019-10-22 23:54:16 +0300 |
commit | 9722c6ee87766a45a337c094d1293de81cdcb106 (patch) | |
tree | 08b57716ae3c02fef2bc870b634019e692fd70e6 /meta-ibm/meta-witherspoon/recipes-phosphor/chassis/vrm-control/mihawk/ir35221-unbind-bind.sh | |
parent | 35e295e2a161fcf146ea031de53431b2888521fa (diff) | |
parent | 5b6cc97bf138293b6af12d5d3003bb66c700c48a (diff) | |
download | openbmc-9722c6ee87766a45a337c094d1293de81cdcb106.tar.xz |
Merge branch 'master' of ssh://git-amr-1.devtools.intel.com:29418/openbmc-openbmc into HEAD
Diffstat (limited to 'meta-ibm/meta-witherspoon/recipes-phosphor/chassis/vrm-control/mihawk/ir35221-unbind-bind.sh')
-rwxr-xr-x | meta-ibm/meta-witherspoon/recipes-phosphor/chassis/vrm-control/mihawk/ir35221-unbind-bind.sh | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/meta-ibm/meta-witherspoon/recipes-phosphor/chassis/vrm-control/mihawk/ir35221-unbind-bind.sh b/meta-ibm/meta-witherspoon/recipes-phosphor/chassis/vrm-control/mihawk/ir35221-unbind-bind.sh new file mode 100755 index 000000000..27ca3b9dc --- /dev/null +++ b/meta-ibm/meta-witherspoon/recipes-phosphor/chassis/vrm-control/mihawk/ir35221-unbind-bind.sh @@ -0,0 +1,81 @@ +#!/bin/bash +# ######################################################### +# Script to run on mihawk BMC to unbind/bind the ir35221 +# driver's devices + +status=0 +max_retries=3 +driver_path="/sys/bus/i2c/drivers/ir35221/" +platform_path="/sys/devices/platform/ahb/ahb:apb/ahb:apb:bus@1e78a000/" + +unbind_driver () { + echo $1 > $driver_path/unbind +} + +bind_driver () { + device=$1 + tries=0 + + until [ $tries -ge $max_retries ]; do + tries=$((tries+1)) + ret=0 + echo $device > $driver_path/bind || ret=$? + if [ $ret -ne 0 ]; then + echo "VRM $1 bind failed. Try $tries" + sleep 1 + else + tries=$((max_retries+1)) + fi + done + + #Script will return a nonzero value if any binds fail. + if [ $ret -ne 0 ]; then + status=$ret + fi +} + +if [ "$1" = "unbind" ] +then + if [ -e $driver_path/4-0070 ] + then + unbind_driver "4-0070" + fi + + if [ -e $driver_path/4-0072 ] + then + unbind_driver "4-0072" + fi + + if [ -e $driver_path/5-0070 ] + then + unbind_driver "5-0070" + fi + + if [ -e $driver_path/5-0072 ] + then + unbind_driver "5-0072" + fi +elif [ "$1" = "bind" ] +then + if [ -e $platform_path/1e78a140.i2c-bus/i2c-4/4-0070 ] + then + bind_driver "4-0070" + fi + + if [ -e $platform_path/1e78a140.i2c-bus/i2c-4/4-0072 ] + then + bind_driver "4-0072" + fi + + if [ -e $platform_path/1e78a180.i2c-bus/i2c-5/5-0070 ] + then + bind_driver "5-0070" + fi + + if [ -e $platform_path/1e78a180.i2c-bus/i2c-5/5-0072 ] + then + bind_driver "5-0072" + fi +fi + +exit $status |