From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 11 Oct 2007 09:14:47 +0000 (+0200)
Subject: x86_64: prepare shared kernel/vsmp.c
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=a6d83df15c53a5f503c50e3d824c1cf3f89ebb1a;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

x86_64: prepare shared kernel/vsmp.c

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

diff --git a/arch/x86_64/kernel/Makefile b/arch/x86_64/kernel/Makefile
index edf4c88a98d4..959bb68959af 100644
--- a/arch/x86_64/kernel/Makefile
+++ b/arch/x86_64/kernel/Makefile
@@ -34,7 +34,7 @@ obj-$(CONFIG_CALGARY_IOMMU)	+= pci-calgary_64.o tce_64.o
 obj-$(CONFIG_SWIOTLB)		+= pci-swiotlb_64.o
 obj-$(CONFIG_KPROBES)		+= kprobes.o
 obj-$(CONFIG_X86_PM_TIMER)	+= pmtimer.o
-obj-$(CONFIG_X86_VSMP)		+= vsmp.o
+obj-$(CONFIG_X86_VSMP)		+= vsmp_64.o
 obj-$(CONFIG_K8_NB)		+= k8.o
 obj-$(CONFIG_AUDIT)		+= audit.o
 
diff --git a/arch/x86_64/kernel/vsmp.c b/arch/x86_64/kernel/vsmp.c
deleted file mode 100644
index 414caf0c5f9a..000000000000
--- a/arch/x86_64/kernel/vsmp.c
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- * vSMPowered(tm) systems specific initialization
- * Copyright (C) 2005 ScaleMP Inc.
- *
- * Use of this code is subject to the terms and conditions of the
- * GNU general public license version 2. See "COPYING" or
- * http://www.gnu.org/licenses/gpl.html
- *
- * Ravikiran Thirumalai <kiran@scalemp.com>,
- * Shai Fultheim <shai@scalemp.com>
- */
-
-#include <linux/init.h>
-#include <linux/pci_ids.h>
-#include <linux/pci_regs.h>
-#include <asm/pci-direct.h>
-#include <asm/io.h>
-
-static int __init vsmp_init(void)
-{
-	void *address;
-	unsigned int cap, ctl;
-
-	if (!early_pci_allowed())
-		return 0;
-
-	/* Check if we are running on a ScaleMP vSMP box */
-	if ((read_pci_config_16(0, 0x1f, 0, PCI_VENDOR_ID) != PCI_VENDOR_ID_SCALEMP) ||
-	    (read_pci_config_16(0, 0x1f, 0, PCI_DEVICE_ID) != PCI_DEVICE_ID_SCALEMP_VSMP_CTL))
-		return 0;
-
-	/* set vSMP magic bits to indicate vSMP capable kernel */
-	address = ioremap(read_pci_config(0, 0x1f, 0, PCI_BASE_ADDRESS_0), 8);
-	cap = readl(address);
-	ctl = readl(address + 4);
-	printk("vSMP CTL: capabilities:0x%08x  control:0x%08x\n", cap, ctl);
-	if (cap & ctl & (1 << 4)) {
-		/* Turn on vSMP IRQ fastpath handling (see system.h) */
-		ctl &= ~(1 << 4);
-		writel(ctl, address + 4);
-		ctl = readl(address + 4);
-		printk("vSMP CTL: control set to:0x%08x\n", ctl);
-	}
-
-	iounmap(address);
-	return 0;
-}
-
-core_initcall(vsmp_init);
diff --git a/arch/x86_64/kernel/vsmp_64.c b/arch/x86_64/kernel/vsmp_64.c
new file mode 100644
index 000000000000..414caf0c5f9a
--- /dev/null
+++ b/arch/x86_64/kernel/vsmp_64.c
@@ -0,0 +1,49 @@
+/*
+ * vSMPowered(tm) systems specific initialization
+ * Copyright (C) 2005 ScaleMP Inc.
+ *
+ * Use of this code is subject to the terms and conditions of the
+ * GNU general public license version 2. See "COPYING" or
+ * http://www.gnu.org/licenses/gpl.html
+ *
+ * Ravikiran Thirumalai <kiran@scalemp.com>,
+ * Shai Fultheim <shai@scalemp.com>
+ */
+
+#include <linux/init.h>
+#include <linux/pci_ids.h>
+#include <linux/pci_regs.h>
+#include <asm/pci-direct.h>
+#include <asm/io.h>
+
+static int __init vsmp_init(void)
+{
+	void *address;
+	unsigned int cap, ctl;
+
+	if (!early_pci_allowed())
+		return 0;
+
+	/* Check if we are running on a ScaleMP vSMP box */
+	if ((read_pci_config_16(0, 0x1f, 0, PCI_VENDOR_ID) != PCI_VENDOR_ID_SCALEMP) ||
+	    (read_pci_config_16(0, 0x1f, 0, PCI_DEVICE_ID) != PCI_DEVICE_ID_SCALEMP_VSMP_CTL))
+		return 0;
+
+	/* set vSMP magic bits to indicate vSMP capable kernel */
+	address = ioremap(read_pci_config(0, 0x1f, 0, PCI_BASE_ADDRESS_0), 8);
+	cap = readl(address);
+	ctl = readl(address + 4);
+	printk("vSMP CTL: capabilities:0x%08x  control:0x%08x\n", cap, ctl);
+	if (cap & ctl & (1 << 4)) {
+		/* Turn on vSMP IRQ fastpath handling (see system.h) */
+		ctl &= ~(1 << 4);
+		writel(ctl, address + 4);
+		ctl = readl(address + 4);
+		printk("vSMP CTL: control set to:0x%08x\n", ctl);
+	}
+
+	iounmap(address);
+	return 0;
+}
+
+core_initcall(vsmp_init);