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