[E1031] enable emc2305 fan controller timeout feature #14401
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Why I did it There is rare condition, emc2305 hold SMBus and cause SMBus completion wait timed out. How I did it Enable EMC2305 SMBus timeout feature, 30ms period of inactivity will reset the interface. How to verify it Use 'i2cget -y -f 23 0x4d 0x20 b' to read EMC2305 configuration register and check DIS_TO bit not set. Signed-off-by: Eric Zhu <erzhu@celestica.com>
prgeor
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@lguohan please help merge |
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@yxieca please help cherry-pick to 202205 Thanks! |
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…ic-net#14401) Why I did it There is rare condition, emc2305 hold SMBus and cause SMBus completion wait timed out. How I did it Enable EMC2305 SMBus timeout feature, 30ms period of inactivity will reset the interface. How to verify it Use 'i2cget -y -f 23 0x4d 0x20 b' to read EMC2305 configuration register and check DIS_TO bit not set. Signed-off-by: Eric Zhu <erzhu@celestica.com>
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…ic-net#14401) Why I did it There is rare condition, emc2305 hold SMBus and cause SMBus completion wait timed out. How I did it Enable EMC2305 SMBus timeout feature, 30ms period of inactivity will reset the interface. How to verify it Use 'i2cget -y -f 23 0x4d 0x20 b' to read EMC2305 configuration register and check DIS_TO bit not set. Signed-off-by: Eric Zhu <erzhu@celestica.com>
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Cherry-pick PR to 202211: #15493 |
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Cherry-pick PR to 202205: #15494 |
This was referenced Jun 15, 2023
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) Why I did it There is rare condition, emc2305 hold SMBus and cause SMBus completion wait timed out. How I did it Enable EMC2305 SMBus timeout feature, 30ms period of inactivity will reset the interface. How to verify it Use 'i2cget -y -f 23 0x4d 0x20 b' to read EMC2305 configuration register and check DIS_TO bit not set. Signed-off-by: Eric Zhu <erzhu@celestica.com>
mssonicbld
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) Why I did it There is rare condition, emc2305 hold SMBus and cause SMBus completion wait timed out. How I did it Enable EMC2305 SMBus timeout feature, 30ms period of inactivity will reset the interface. How to verify it Use 'i2cget -y -f 23 0x4d 0x20 b' to read EMC2305 configuration register and check DIS_TO bit not set. Signed-off-by: Eric Zhu <erzhu@celestica.com>
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Jun 21, 2023
…ic-net#14401) Why I did it There is rare condition, emc2305 hold SMBus and cause SMBus completion wait timed out. How I did it Enable EMC2305 SMBus timeout feature, 30ms period of inactivity will reset the interface. How to verify it Use 'i2cget -y -f 23 0x4d 0x20 b' to read EMC2305 configuration register and check DIS_TO bit not set. Signed-off-by: Eric Zhu <erzhu@celestica.com>
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Cherry-pick PR to 202012: #15571 |
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https://msazure.visualstudio.com/One/_workitems/edit/17813211 Related work items: sonic-net#9216, sonic-net#11437, sonic-net#13507, sonic-net#13512, sonic-net#13567, sonic-net#13972, sonic-net#14351, sonic-net#14371, sonic-net#14375, sonic-net#14401, sonic-net#14407, sonic-net#14408, sonic-net#14427, sonic-net#14428, sonic-net#14439
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Why I did it
There is rare condition, emc2305 hold SMBus and cause SMBus completion wait timed out.
MSFT ADO: 16520748
How I did it
Enable EMC2305 SMBus timeout feature, 30ms period of inactivity will reset the interface.
How to verify it
Use 'i2cget -y -f 23 0x4d 0x20 b' to read EMC2305 configuration register and check DIS_TO bit not set.
Which release branch to backport (provide reason below if selected)
Description for the changelog
Ensure to add label/tag for the feature raised. example - PR#2174 under sonic-utilities repo. where, Generic Config and Update feature has been labelled as GCU.
Link to config_db schema for YANG module changes
A picture of a cute animal (not mandatory but encouraged)