Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm

* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (416 commits)
  ARM: DMA: add support for DMA debugging
  ARM: PL011: add DMA burst threshold support for ST variants
  ARM: PL011: Add support for transmit DMA
  ARM: PL011: Ensure IRQs are disabled in UART interrupt handler
  ARM: PL011: Separate hardware FIFO size from TTY FIFO size
  ARM: PL011: Allow better handling of vendor data
  ARM: PL011: Ensure error flags are clear at startup
  ARM: PL011: include revision number in boot-time port printk
  ARM: vexpress: add sched_clock() for Versatile Express
  ARM i.MX53: Make MX53 EVK bootable
  ARM i.MX53: Some bug fix about MX53 MSL code
  ARM: 6607/1: sa1100: Update platform device registration
  ARM: 6606/1: sa1100: Fix platform device registration
  ARM i.MX51: rename IPU irqs
  ARM i.MX51: Add ipu clock support
  ARM: imx/mx27_3ds: Add PMIC support
  ARM: DMA: Replace page_to_dma()/dma_to_page() with pfn_to_dma()/dma_to_pfn()
  mx51: fix usb clock support
  MX51: Add support for usb host 2
  arch/arm/plat-mxc/ehci.c: fix errors/typos
  ...

1 files changed, 9 insertions, 26 deletions

diff --git a/arch/arm/mach-tegra/platsmp.c b/arch/arm/mach-tegra/platsmp.c
index 1c0fd92cab39..ec1f68924edf 100644
--- a/arch/arm/mach-tegra/platsmp.c
+++ b/arch/arm/mach-tegra/platsmp.c
@@ -22,7 +22,6 @@
 #include <asm/cacheflush.h>
 #include <mach/hardware.h>
 #include <asm/mach-types.h>
-#include <asm/localtimer.h>
 #include <asm/smp_scu.h>
 
 #include <mach/iomap.h>
@@ -41,14 +40,12 @@ static void __iomem *scu_base = IO_ADDRESS(TEGRA_ARM_PERIF_BASE);
 
 void __cpuinit platform_secondary_init(unsigned int cpu)
 {
-	trace_hardirqs_off();
-
 	/*
 	 * if any interrupts are already enabled for the primary
 	 * core (e.g. timer irq), then they will not have been enabled
 	 * for us: do so
 	 */
-	gic_cpu_init(0, IO_ADDRESS(TEGRA_ARM_PERIF_BASE) + 0x100);
+	gic_secondary_init(0);
 
 	/*
 	 * Synchronise with the boot thread.
@@ -117,24 +114,20 @@ void __init smp_init_cpus(void)
 {
 	unsigned int i, ncores = scu_get_core_count(scu_base);
 
+	if (ncores > NR_CPUS) {
+		printk(KERN_ERR "Tegra: no. of cores (%u) greater than configured (%u), clipping\n",
+			ncores, NR_CPUS);
+		ncores = NR_CPUS;
+	}
+
 	for (i = 0; i < ncores; i++)
 		cpu_set(i, cpu_possible_map);
 }
 
-void __init smp_prepare_cpus(unsigned int max_cpus)
+void __init platform_smp_prepare_cpus(unsigned int max_cpus)
 {
-	unsigned int ncores = scu_get_core_count(scu_base);
-	unsigned int cpu = smp_processor_id();
 	int i;
 
-	smp_store_cpu_info(cpu);
-
-	/*
-	 * are we trying to boot more cores than exist?
-	 */
-	if (max_cpus > ncores)
-		max_cpus = ncores;
-
 	/*
 	 * Initialise the present map, which describes the set of CPUs
 	 * actually populated at the present time.
@@ -142,15 +135,5 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
 	for (i = 0; i < max_cpus; i++)
 		set_cpu_present(i, true);
 
-	/*
-	 * Initialise the SCU if there are more than one CPU and let
-	 * them know where to start. Note that, on modern versions of
-	 * MILO, the "poke" doesn't actually do anything until each
-	 * individual core is sent a soft interrupt to get it out of
-	 * WFI
-	 */
-	if (max_cpus > 1) {
-		percpu_timer_setup();
-		scu_enable(scu_base);
-	}
+	scu_enable(scu_base);
 }