[202012][patch] mlxsw: i2c: Prevent transaction execution for special #282
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states Do not run transaction in cases chip is in reset or in-filed update states. This patch fixes an issue encountered during SONiC warm-reboot: during ISSU start the kernel reports that CPU stall is detected: ``` INFO: rcu_sched detected stalls on CPUs/tasks ``` This patch won't be upstreamed due to the upstream driver not supporting ISSU. Signed-off-by: Stepan Blyschak <[email protected]>
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…012-prevent-transaction Signed-off-by: Stepan Blyschak <[email protected]>
Signed-off-by: Stepan Blyschak <[email protected]>
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@saiarcot895 Could you please also review this PR for 202012? |
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Update sonic-linux-kernel submodule pointer to include the following: * [202012][patch] mlxsw: i2c: Prevent transaction execution for special chip states ([sonic-net#282](sonic-net/sonic-linux-kernel#282)) Signed-off-by: dprital <[email protected]>
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Update sonic-linux-kernel submodule pointer to include the following: * [202012][patch] mlxsw: i2c: Prevent transaction execution for special chip states ([#282](sonic-net/sonic-linux-kernel#282)) Signed-off-by: dprital <[email protected]>
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… chip
states
Do not run transaction in cases chip is in reset or in-filed update states.
This patch fixes an issue encountered during SONiC warm-reboot: during
ISSU start the kernel reports that CPU stall is detected:
This patch won't be upstreamed due to the upstream driver not supporting
ISSU.
Signed-off-by: Stepan Blyschak [email protected]