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ARM: SAMSUNG: Add idle support

PATCH New Kukjin Kim 2 participants 2 messages Jan 13, 2010 – Jan 14, 2010

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Kukjin Kim

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#0 lore raw

PATCH v2 3/3 ARM: SAMSUNG: Add idle support

This patch adds common idle functionality for all Samsung SoC's.

Signed-off-by Kukjin Kim <[email protected]>
---
 arch/arm/plat-samsung/include/mach/idle.h   |   19 +++++++++++++
 arch/arm/plat-samsung/include/mach/system.h |   39 +++++++++++++++++++++++++++
 2 files changed, 58 insertions(+), 0 deletions(-)
 create mode 100644 arch/arm/plat-samsung/include/mach/idle.h
 create mode 100644 arch/arm/plat-samsung/include/mach/system.h
arch/arm/plat-samsung/include/mach/idle.h new file +19 -0
new file mode 100644
index 0000000..b5b92d2
@@ -0,0 +1,19 @@
+/* linux/arch/arm/plat-samsung/include/mach/idle.h
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * Idle support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_PLAT_IDLE_H
+#define __ASM_PLAT_IDLE_H __FILE__
+
+extern void (*s3c_idle_fn)(void);
+extern void samsung_idle(void);
+
+#endif /* __ASM_PLAT_IDLE_H */
arch/arm/plat-samsung/include/mach/system.h new file +39 -0
new file mode 100644
index 0000000..1e49fb3
@@ -0,0 +1,39 @@
+/* linux/arch/arm/plat-samsung/include/mach/idle.h
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * Idle support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_PLAT_SYSTEM_H
+#define __ASM_PLAT_SYSTEM_H __FILE__
+
+void (*s3c_idle_fn)(void);
+
+void samsung_idle(void)
+{
+	/* can add generic idle functionality here, if any */
+
+	if (!need_resched()) {
+		if (s3c_idle_fn != NULL)
+			(s3c_idle_fn)();
+	}
+	local_irq_enable();
+}
+
+static void arch_idle(void)
+{
+	/* nothing */
+}
+
+static void arch_reset(char mode, const char *cmd)
+{
+	/* nothing here yet */
+}
+
+#endif /* __ASM_PLAT_SYSTEM_H */
Signature · 1 line
1.6.2.5
#1 lore raw

PATCH v2 3/3 ARM: SAMSUNG: Add idle support

Quoted 25 lines · Kukjin Kim

This patch adds common idle functionality for all Samsung SoC's.

Signed-off-by Kukjin Kim <[email protected]>
---
 arch/arm/plat-samsung/include/mach/idle.h   |   19 +++++++++++++
 arch/arm/plat-samsung/include/mach/system.h |   39 +++++++++++++++++++++++++++
 2 files changed, 58 insertions(+), 0 deletions(-)
 create mode 100644 arch/arm/plat-samsung/include/mach/idle.h
 create mode 100644 arch/arm/plat-samsung/include/mach/system.h
arch/arm/plat-samsung/include/mach/idle.h new file +9 -0
new file mode 100644
index 0000000..b5b92d2
@@ -0,0 +1,19 @@
+/* linux/arch/arm/plat-samsung/include/mach/idle.h
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * Idle support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as

arch/arm/plat-samsung/include/mach/idle.h line 19

Quoted 10 lines
arch/arm/plat-samsung/include/mach/idle.h new file +10 -0
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_PLAT_IDLE_H
+#define __ASM_PLAT_IDLE_H __FILE__
+
+extern void (*s3c_idle_fn)(void);
+extern void samsung_idle(void);
+
+#endif /* __ASM_PLAT_IDLE_H */

Sorry, but I beliveve Russell's original statement was that pm_idle shoudl be used instead of having another idle pointer, so the s5p6440 idle code will need to be changed to hook pm_idle and this patch removed from the series.

Quoted 53 lines
arch/arm/plat-samsung/include/mach/system.h new file +39 -0
new file mode 100644
index 0000000..1e49fb3
@@ -0,0 +1,39 @@
+/* linux/arch/arm/plat-samsung/include/mach/idle.h
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * Idle support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_PLAT_SYSTEM_H
+#define __ASM_PLAT_SYSTEM_H __FILE__
+
+void (*s3c_idle_fn)(void);
+
+void samsung_idle(void)
+{
+	/* can add generic idle functionality here, if any */
+
+	if (!need_resched()) {
+		if (s3c_idle_fn != NULL)
+			(s3c_idle_fn)();
+	}
+	local_irq_enable();
+}
+
+static void arch_idle(void)
+{
+	/* nothing */
+}
+
+static void arch_reset(char mode, const char *cmd)
+{
+	/* nothing here yet */
+}
+
+#endif /* __ASM_PLAT_SYSTEM_H */
Signature · 7 lines
1.6.2.5


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