diff mbox series

[v2,1/6] nfit/ars: Attempt a short-ARS whenever the ARS state is idle at boot

Message ID 155025983247.1043225.5927153534700111609.stgit@dwillia2-desk3.amr.corp.intel.com (mailing list archive)
State Mainlined
Commit c6c5df293bf1b488cf8459aac658aecfdccb13a9
Headers show
Series nfit/ars: Improve polling and short-ARS execution | expand

Commit Message

Dan Williams Feb. 15, 2019, 7:43 p.m. UTC
If query-ARS reports that ARS has stopped and requires continuation
attempt to retrieve short-ARS results before continuing the long
operation.

Reported-by: Krzysztof Rusocki <krzysztof.rusocki@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/acpi/nfit/core.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c
index e18ade5d74e9..3d681a92ff7f 100644
--- a/drivers/acpi/nfit/core.c
+++ b/drivers/acpi/nfit/core.c
@@ -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