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Falling-edge IRQ stuck forever when SBTSI latch (AlertCompEn=0) held Alert_L low until Status was read, dropping RMI/mailbox alerts. Switch to IRQF_TRIGGER_LOW so the handler runs while the line stays asserted. Signed-off-by: Sathya Priya Kumar <sathyapriya.k@amd.com> Reviewed-by: Akshay Gupta <Akshay.Gupta@amd.com>
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With the latest BMC 100X series, the BMC fails to start after a cold reboot. I tested multiple B0 systems; none start on cold reboot. Note: I tested changes on warm reboot with temperature alerts, mailbox messages and a few RAS events, and https://amd.atlassian.net/browse/DCSM-1657 was not hit. |
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Falling-edge IRQ stuck forever when SBTSI latch (AlertCompEn=0) held Alert_L low until Status was read, dropping RMI/mailbox alerts. Switch to IRQF_TRIGGER_LOW so the handler runs while the line stays asserted.
Reviewed-by: Akshay Gupta Akshay.Gupta@amd.com