linux-kernel - [PATCH 1/7] ACPI / processor: remove cpu_index in acpi_processor_get

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Message-Id: <1427464513-14414-2-git-send-email-hanjun.guo@linaro.org>
Date:	Fri, 27 Mar 2015 21:55:05 +0800
From:	Hanjun Guo <hanjun.guo@...aro.org>
To:	"Rafael J. Wysocki" <rjw@...ysocki.net>
Cc:	Will Deacon <will.deacon@....com>,
	Catalin Marinas <catalin.marinas@....com>,
	Boris Ostrovsky <boris.ostrovsky@...cle.com>,
	Stefano Stabellini <stefano.stabellini@...citrix.com>,
	Lorenzo Pieralisi <Lorenzo.Pieralisi@....com>,
	Sudeep Holla <Sudeep.Holla@....com>,
	linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
	linaro-acpi@...ts.linaro.org, Hanjun Guo <hanjun.guo@...aro.org>
Subject: [PATCH 1/7] ACPI / processor: remove cpu_index in acpi_processor_get_info()

Just use pr->id instead of cpu_index to simplify the code.

Signed-off-by: Hanjun Guo <hanjun.guo@...aro.org>
---
 drivers/acpi/acpi_processor.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c
index 58f335c..d6ac918 100644
--- a/drivers/acpi/acpi_processor.c
+++ b/drivers/acpi/acpi_processor.c
@@ -216,7 +216,7 @@ static int acpi_processor_get_info(struct acpi_device *device)
 	struct acpi_buffer buffer = { sizeof(union acpi_object), &object };
 	struct acpi_processor *pr = acpi_driver_data(device);
 	phys_cpuid_t phys_id;
-	int cpu_index, device_declaration = 0;
+	int device_declaration = 0;
 	acpi_status status = AE_OK;
 	static int cpu0_initialized;
 	unsigned long long value;
@@ -268,17 +268,16 @@ static int acpi_processor_get_info(struct acpi_device *device)
 		acpi_handle_debug(pr->handle, "failed to get CPU physical ID.\n");
 	pr->phys_id = phys_id;
 
-	cpu_index = acpi_map_cpuid(pr->phys_id, pr->acpi_id);
+	pr->id = acpi_map_cpuid(pr->phys_id, pr->acpi_id);
 	if (!cpu0_initialized && !acpi_has_cpu_in_madt()) {
 		cpu0_initialized = 1;
 		/*
 		 * Handle UP system running SMP kernel, with no CPU
 		 * entry in MADT
 		 */
-		if ((cpu_index == -1) && (num_online_cpus() == 1))
-			cpu_index = 0;
+		if ((pr->id == -1) && (num_online_cpus() == 1))
+			pr->id = 0;
 	}
-	pr->id = cpu_index;
 
 	/*
 	 *  Extra Processor objects may be enumerated on MP systems with
-- 
1.9.1

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