linux-kernel - [RFC Patch v1 5/6] acpi_processor: use acpi_evaluate

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Message-Id: <1392613373-11003-5-git-send-email-jiang.liu@linux.intel.com>
Date:	Mon, 17 Feb 2014 13:02:52 +0800
From:	Jiang Liu <jiang.liu@...ux.intel.com>
To:	"Rafael J . Wysocki" <rafael.j.wysocki@...el.com>,
	Lv Zheng <lv.zheng@...el.com>, Len Brown <lenb@...nel.org>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>
Cc:	Jiang Liu <jiang.liu@...ux.intel.com>,
	Tony Luck <tony.luck@...el.com>, linux-acpi@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [RFC Patch v1 5/6] acpi_processor: use acpi_evaluate_pad() to replace open-coded version

Use public function acpi_evaluate_pad() to replace open-coded
version of evaluating ACPI _OST method.

Signed-off-by: Jiang Liu <jiang.liu@...ux.intel.com>
---
 drivers/acpi/processor_perflib.c |   14 +++-----------
 1 file changed, 3 insertions(+), 11 deletions(-)

diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c
index ff90054..cfc8aba 100644
--- a/drivers/acpi/processor_perflib.c
+++ b/drivers/acpi/processor_perflib.c
@@ -156,17 +156,9 @@ static int acpi_processor_get_platform_limit(struct acpi_processor *pr)
  */
 static void acpi_processor_ppc_ost(acpi_handle handle, int status)
 {
-	union acpi_object params[2] = {
-		{.type = ACPI_TYPE_INTEGER,},
-		{.type = ACPI_TYPE_INTEGER,},
-	};
-	struct acpi_object_list arg_list = {2, params};
-
-	if (acpi_has_method(handle, "_OST")) {
-		params[0].integer.value = ACPI_PROCESSOR_NOTIFY_PERFORMANCE;
-		params[1].integer.value =  status;
-		acpi_evaluate_object(handle, "_OST", &arg_list, NULL);
-	}
+	if (acpi_has_method(handle, "_OST"))
+		acpi_evaluate_ost(handle, ACPI_PROCESSOR_NOTIFY_PERFORMANCE,
+				  status, NULL);
 }
 
 int acpi_processor_ppc_has_changed(struct acpi_processor *pr, int event_flag)
-- 
1.7.10.4

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