Hanjun Guo <guohanjun@xxxxxxxxxx> writes: > acpi_agdi_init() in acpi_arm_init() will register a SDEI event, so > it needs the SDEI subsystem to be initialized (which is done in > acpi_ghes_init()) before the AGDI driver probing. > > In commit fcea0ccf4fd7 ("ACPI: bus: Consolidate all arm specific > initialisation into acpi_arm_init()"), the acpi_agdi_init() was > called before acpi_ghes_init() and it causes following failure: > > | [ 0.515864] sdei: Failed to create event 1073741825: -5 > | [ 0.515866] agdi agdi.0: Failed to register for SDEI event 1073741825 > | [ 0.515867] agdi: probe of agdi.0 failed with error -5 > | ... > | [ 0.516022] sdei: SDEIv1.0 (0x0) detected in firmware. > > Fix it by moving acpi_arm_init() to the place of after > acpi_ghes_init(). > > Fixes: fcea0ccf4fd7 ("ACPI: bus: Consolidate all arm specific initialisation into acpi_arm_init()") > Reported-by: D Scott Phillips <scott@xxxxxxxxxxxxxxxxxxxxxx> > Signed-off-by: Hanjun Guo <guohanjun@xxxxxxxxxx> Tested-by: D Scott Phillips <scott@xxxxxxxxxxxxxxxxxxxxxx> Thanks Hanjun and Sudeep