---

yaml
---
r: 295903
b: refs/heads/master
c: 257b49c
h: refs/heads/master
i:
  295901: c578bad
  295899: 9a412b3
  295895: 65c241f
  295887: e93522b
  295871: 6c6bb63
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 235ecf4c59ebe13e065a40755d999fa9850b8179
+refs/heads/master: 257b49c3d2b67815c84aa02c5fd25b869f27b51e

trunk/arch/arm/Kconfig

@@ -1578,7 +1578,6 @@ config ARCH_NR_GPIO
 	int
 	default 1024 if ARCH_SHMOBILE || ARCH_TEGRA
 	default 350 if ARCH_U8500
-	default 264 if MACH_H4700
 	default 0
 	help
 	  Maximum number of GPIOs in the system.

trunk/arch/arm/Kconfig.debug

@@ -81,6 +81,25 @@ choice
 	prompt "Kernel low-level debugging port"
 	depends on DEBUG_LL
 
+	config DEBUG_LL_UART_NONE
+		bool "No low-level debugging UART"
+		help
+		  Say Y here if your platform doesn't provide a UART option
+		  below. This relies on your platform choosing the right UART
+		  definition internally in order for low-level debugging to
+		  work.
+
+	config DEBUG_ICEDCC
+		bool "Kernel low-level debugging via EmbeddedICE DCC channel"
+		help
+		  Say Y here if you want the debug print routines to direct
+		  their output to the EmbeddedICE macrocell's DCC channel using
+		  co-processor 14. This is known to work on the ARM9 style ICE
+		  channel and on the XScale with the PEEDI.
+
+		  Note that the system will appear to hang during boot if there
+		  is nothing connected to read from the DCC.
+
 	config AT91_DEBUG_LL_DBGU0
 		bool "Kernel low-level debugging on rm9200, 9260/9g20, 9261/9g10 and 9rl"
 		depends on HAVE_AT91_DBGU0
@@ -89,6 +108,20 @@ choice
 		bool "Kernel low-level debugging on 9263, 9g45 and cap9"
 		depends on HAVE_AT91_DBGU1
 
+	config DEBUG_FOOTBRIDGE_COM1
+		bool "Kernel low-level debugging messages via footbridge 8250 at PCI COM1"
+		depends on FOOTBRIDGE
+		help
+		  Say Y here if you want the debug print routines to direct
+		  their output to the 8250 at PCI COM1.
+
+	config DEBUG_DC21285_PORT
+		bool "Kernel low-level debugging messages via footbridge serial port"
+		depends on FOOTBRIDGE
+		help
+		  Say Y here if you want the debug print routines to direct
+		  their output to the serial port in the DC21285 (Footbridge).
+
 	config DEBUG_CLPS711X_UART1
 		bool "Kernel low-level debugging messages via UART1"
 		depends on ARCH_CLPS711X
@@ -103,20 +136,6 @@ choice
 		  Say Y here if you want the debug print routines to direct
 		  their output to the second serial port on these devices.
 
-	config DEBUG_DC21285_PORT
-		bool "Kernel low-level debugging messages via footbridge serial port"
-		depends on FOOTBRIDGE
-		help
-		  Say Y here if you want the debug print routines to direct
-		  their output to the serial port in the DC21285 (Footbridge).
-
-	config DEBUG_FOOTBRIDGE_COM1
-		bool "Kernel low-level debugging messages via footbridge 8250 at PCI COM1"
-		depends on FOOTBRIDGE
-		help
-		  Say Y here if you want the debug print routines to direct
-		  their output to the 8250 at PCI COM1.
-
 	config DEBUG_HIGHBANK_UART
 		bool "Kernel low-level debugging messages via Highbank UART"
 		depends on ARCH_HIGHBANK
@@ -187,42 +206,38 @@ choice
 		  Say Y here if you want kernel low-level debugging support
 		  on i.MX6Q.
 
-	config DEBUG_MSM_UART1
-		bool "Kernel low-level debugging messages via MSM UART1"
-		depends on ARCH_MSM7X00A || ARCH_MSM7X30 || ARCH_QSD8X50
+	config DEBUG_S3C_UART0
+		depends on PLAT_SAMSUNG
+		bool "Use S3C UART 0 for low-level debug"
 		help
 		  Say Y here if you want the debug print routines to direct
-		  their output to the first serial port on MSM devices.
+		  their output to UART 0. The port must have been initialised
+		  by the boot-loader before use.
 
-	config DEBUG_MSM_UART2
-		bool "Kernel low-level debugging messages via MSM UART2"
-		depends on ARCH_MSM7X00A || ARCH_MSM7X30 || ARCH_QSD8X50
-		help
-		  Say Y here if you want the debug print routines to direct
-		  their output to the second serial port on MSM devices.
+		  The uncompressor code port configuration is now handled
+		  by CONFIG_S3C_LOWLEVEL_UART_PORT.
 
-	config DEBUG_MSM_UART3
-		bool "Kernel low-level debugging messages via MSM UART3"
-		depends on ARCH_MSM7X00A || ARCH_MSM7X30 || ARCH_QSD8X50
+	config DEBUG_S3C_UART1
+		depends on PLAT_SAMSUNG
+		bool "Use S3C UART 1 for low-level debug"
 		help
 		  Say Y here if you want the debug print routines to direct
-		  their output to the third serial port on MSM devices.
+		  their output to UART 1. The port must have been initialised
+		  by the boot-loader before use.
 
-	config DEBUG_MSM8660_UART
-		bool "Kernel low-level debugging messages via MSM 8660 UART"
-		depends on ARCH_MSM8X60
-		select MSM_HAS_DEBUG_UART_HS
-		help
-		  Say Y here if you want the debug print routines to direct
-		  their output to the serial port on MSM 8660 devices.
+		  The uncompressor code port configuration is now handled
+		  by CONFIG_S3C_LOWLEVEL_UART_PORT.
 
-	config DEBUG_MSM8960_UART
-		bool "Kernel low-level debugging messages via MSM 8960 UART"
-		depends on ARCH_MSM8960
-		select MSM_HAS_DEBUG_UART_HS
+	config DEBUG_S3C_UART2
+		depends on PLAT_SAMSUNG
+		bool "Use S3C UART 2 for low-level debug"
 		help
 		  Say Y here if you want the debug print routines to direct
-		  their output to the serial port on MSM 8960 devices.
+		  their output to UART 2. The port must have been initialised
+		  by the boot-loader before use.
+
+		  The uncompressor code port configuration is now handled
+		  by CONFIG_S3C_LOWLEVEL_UART_PORT.
 
 	config DEBUG_REALVIEW_STD_PORT
 		bool "RealView Default UART"
@@ -240,57 +255,42 @@ choice
 		  their output to the standard serial port on the RealView
 		  PB1176 platform.
 
-	config DEBUG_S3C_UART0
-		depends on PLAT_SAMSUNG
-		bool "Use S3C UART 0 for low-level debug"
+	config DEBUG_MSM_UART1
+		bool "Kernel low-level debugging messages via MSM UART1"
+		depends on ARCH_MSM7X00A || ARCH_MSM7X30 || ARCH_QSD8X50
 		help
 		  Say Y here if you want the debug print routines to direct
-		  their output to UART 0. The port must have been initialised
-		  by the boot-loader before use.
-
-		  The uncompressor code port configuration is now handled
-		  by CONFIG_S3C_LOWLEVEL_UART_PORT.
+		  their output to the first serial port on MSM devices.
 
-	config DEBUG_S3C_UART1
-		depends on PLAT_SAMSUNG
-		bool "Use S3C UART 1 for low-level debug"
+	config DEBUG_MSM_UART2
+		bool "Kernel low-level debugging messages via MSM UART2"
+		depends on ARCH_MSM7X00A || ARCH_MSM7X30 || ARCH_QSD8X50
 		help
 		  Say Y here if you want the debug print routines to direct
-		  their output to UART 1. The port must have been initialised
-		  by the boot-loader before use.
-
-		  The uncompressor code port configuration is now handled
-		  by CONFIG_S3C_LOWLEVEL_UART_PORT.
+		  their output to the second serial port on MSM devices.
 
-	config DEBUG_S3C_UART2
-		depends on PLAT_SAMSUNG
-		bool "Use S3C UART 2 for low-level debug"
+	config DEBUG_MSM_UART3
+		bool "Kernel low-level debugging messages via MSM UART3"
+		depends on ARCH_MSM7X00A || ARCH_MSM7X30 || ARCH_QSD8X50
 		help
 		  Say Y here if you want the debug print routines to direct
-		  their output to UART 2. The port must have been initialised
-		  by the boot-loader before use.
-
-		  The uncompressor code port configuration is now handled
-		  by CONFIG_S3C_LOWLEVEL_UART_PORT.
+		  their output to the third serial port on MSM devices.
 
-	config DEBUG_LL_UART_NONE
-		bool "No low-level debugging UART"
+	config DEBUG_MSM8660_UART
+		bool "Kernel low-level debugging messages via MSM 8660 UART"
+		depends on ARCH_MSM8X60
+		select MSM_HAS_DEBUG_UART_HS
 		help
-		  Say Y here if your platform doesn't provide a UART option
-		  below. This relies on your platform choosing the right UART
-		  definition internally in order for low-level debugging to
-		  work.
+		  Say Y here if you want the debug print routines to direct
+		  their output to the serial port on MSM 8660 devices.
 
-	config DEBUG_ICEDCC
-		bool "Kernel low-level debugging via EmbeddedICE DCC channel"
+	config DEBUG_MSM8960_UART
+		bool "Kernel low-level debugging messages via MSM 8960 UART"
+		depends on ARCH_MSM8960
+		select MSM_HAS_DEBUG_UART_HS
 		help
 		  Say Y here if you want the debug print routines to direct
-		  their output to the EmbeddedICE macrocell's DCC channel using
-		  co-processor 14. This is known to work on the ARM9 style ICE
-		  channel and on the XScale with the PEEDI.
-
-		  Note that the system will appear to hang during boot if there
-		  is nothing connected to read from the DCC.
+		  their output to the serial port on MSM 8960 devices.
 
 endchoice
 

trunk/arch/arm/include/asm/system.h

@@ -110,7 +110,6 @@ extern void cpu_init(void);
 
 void soft_restart(unsigned long);
 extern void (*arm_pm_restart)(char str, const char *cmd);
-extern void (*arm_pm_idle)(void);
 
 #define UDBG_UNDEFINED	(1 << 0)
 #define UDBG_SYSCALL	(1 << 1)

trunk/arch/arm/kernel/process.c

@@ -61,6 +61,8 @@ extern void setup_mm_for_reboot(void);
 
 static volatile int hlt_counter;
 
+#include <mach/system.h>
+
 void disable_hlt(void)
 {
 	hlt_counter++;
@@ -179,17 +181,13 @@ void cpu_idle_wait(void)
 EXPORT_SYMBOL_GPL(cpu_idle_wait);
 
 /*
- * This is our default idle handler.
+ * This is our default idle handler.  We need to disable
+ * interrupts here to ensure we don't miss a wakeup call.
  */
-
-void (*arm_pm_idle)(void);
-
 static void default_idle(void)
 {
-	if (arm_pm_idle)
-		arm_pm_idle();
-	else
-		cpu_do_idle();
+	if (!need_resched())
+		arch_idle();
 	local_irq_enable();
 }
 
@@ -217,29 +215,26 @@ void cpu_idle(void)
 				cpu_die();
 #endif
 
-			/*
-			 * We need to disable interrupts here
-			 * to ensure we don't miss a wakeup call.
-			 */
 			local_irq_disable();
 #ifdef CONFIG_PL310_ERRATA_769419
 			wmb();
 #endif
 			if (hlt_counter) {
 				local_irq_enable();
 				cpu_relax();
-			} else if (!need_resched()) {
+			} else {
 				stop_critical_timings();
 				if (cpuidle_idle_call())
 					pm_idle();
 				start_critical_timings();
 				/*
-				 * pm_idle functions must always
-				 * return with IRQs enabled.
+				 * This will eventually be removed - pm_idle
+				 * functions should always return with IRQs
+				 * enabled.
 				 */
 				WARN_ON(irqs_disabled());
-			} else
 				local_irq_enable();
+			}
 		}
 		leds_event(led_idle_end);
 		rcu_idle_exit();

trunk/arch/arm/mach-at91/at91cap9.c

@@ -14,7 +14,6 @@
 
 #include <linux/module.h>
 
-#include <asm/proc-fns.h>
 #include <asm/irq.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
@@ -314,12 +313,6 @@ static struct at91_gpio_bank at91cap9_gpio[] __initdata = {
 	}
 };
 
-static void at91cap9_idle(void)
-{
-	at91_sys_write(AT91_PMC_SCDR, AT91_PMC_PCK);
-	cpu_do_idle();
-}
-
 /* --------------------------------------------------------------------
  *  AT91CAP9 processor initialization
  * -------------------------------------------------------------------- */
@@ -339,7 +332,6 @@ static void __init at91cap9_ioremap_registers(void)
 
 static void __init at91cap9_initialize(void)
 {
-	arm_pm_idle = at91cap9_idle;
 	arm_pm_restart = at91sam9g45_restart;
 	at91_extern_irq = (1 << AT91CAP9_ID_IRQ0) | (1 << AT91CAP9_ID_IRQ1);
 

trunk/arch/arm/mach-at91/at91rm9200.c

@@ -289,15 +289,6 @@ static struct at91_gpio_bank at91rm9200_gpio[] __initdata = {
 	}
 };
 
-static void at91rm9200_idle(void)
-{
-	/*
-	 * Disable the processor clock.  The processor will be automatically
-	 * re-enabled by an interrupt or by a reset.
-	 */
-	at91_sys_write(AT91_PMC_SCDR, AT91_PMC_PCK);
-}
-
 static void at91rm9200_restart(char mode, const char *cmd)
 {
 	/*
@@ -323,7 +314,6 @@ static void __init at91rm9200_ioremap_registers(void)
 
 static void __init at91rm9200_initialize(void)
 {
-	arm_pm_idle = at91rm9200_idle;
 	arm_pm_restart = at91rm9200_restart;
 	at91_extern_irq = (1 << AT91RM9200_ID_IRQ0) | (1 << AT91RM9200_ID_IRQ1)
 			| (1 << AT91RM9200_ID_IRQ2) | (1 << AT91RM9200_ID_IRQ3)