Commit c6c5df29 authored Feb 13, 2019 by 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: Krzysztof Rusocki <krzysztof.rusocki@intel.com>
Reviewed-by: Toshi Kani <toshi.kani@hpe.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

parent d1393711

drivers/acpi/nfit/core.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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

Admin message