Commit c6c5df29 authored by Dan Williams's avatar Dan Williams

nfit/ars: Attempt a short-ARS whenever the ARS state is idle at boot

If query-ARS reports that ARS has stopped and requires continuation
attempt to retrieve short-ARS results before continuing the long
operation.

Fixes: bc6ba808 ("nfit, address-range-scrub: rework and simplify ARS...")
Cc: <stable@vger.kernel.org>
Reported-by: default avatarKrzysztof Rusocki <krzysztof.rusocki@intel.com>
Reviewed-by: default avatarToshi Kani <toshi.kani@hpe.com>
Signed-off-by: default avatarDan Williams <dan.j.williams@intel.com>
parent d1393711
......@@ -3012,6 +3012,7 @@ static int ars_register(struct acpi_nfit_desc *acpi_desc,
switch (acpi_nfit_query_poison(acpi_desc)) {
case 0:
case -ENOSPC:
case -EAGAIN:
rc = ars_start(acpi_desc, nfit_spa, ARS_REQ_SHORT);
/* shouldn't happen, try again later */
......@@ -3036,7 +3037,6 @@ static int ars_register(struct acpi_nfit_desc *acpi_desc,
break;
case -EBUSY:
case -ENOMEM:
case -ENOSPC:
/*
* BIOS was using ARS, wait for it to complete (or
* resources to become available) and then perform our
......
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