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-rw-r--r--arch/arm/mach-tegra/Kconfig8
-rw-r--r--arch/arm/mach-tegra/pm.c1
-rw-r--r--arch/arm/mach-tegra/tegra.c10
3 files changed, 11 insertions, 8 deletions
diff --git a/arch/arm/mach-tegra/Kconfig b/arch/arm/mach-tegra/Kconfig
index b1232d8be6f5..f61cd5b9f103 100644
--- a/arch/arm/mach-tegra/Kconfig
+++ b/arch/arm/mach-tegra/Kconfig
@@ -5,24 +5,16 @@ config ARCH_TEGRA
select ARCH_SUPPORTS_TRUSTED_FOUNDATIONS
select ARM_GIC
select CLKSRC_MMIO
- select CLKSRC_OF
- select COMMON_CLK
- select CPU_V7
- select GENERIC_CLOCKEVENTS
select HAVE_ARM_SCU if SMP
select HAVE_ARM_TWD if SMP
- select HAVE_SMP
- select MIGHT_HAVE_CACHE_L2X0
select MIGHT_HAVE_PCI
select PINCTRL
select ARCH_HAS_RESET_CONTROLLER
select RESET_CONTROLLER
select SOC_BUS
- select SPARSE_IRQ
select USB_ARCH_HAS_EHCI if USB_SUPPORT
select USB_ULPI if USB_PHY
select USB_ULPI_VIEWPORT if USB_PHY
- select USE_OF
help
This enables support for NVIDIA Tegra based systems.
diff --git a/arch/arm/mach-tegra/pm.c b/arch/arm/mach-tegra/pm.c
index 4ae0286b468d..f55b05a29b55 100644
--- a/arch/arm/mach-tegra/pm.c
+++ b/arch/arm/mach-tegra/pm.c
@@ -24,6 +24,7 @@
#include <linux/cpu_pm.h>
#include <linux/suspend.h>
#include <linux/err.h>
+#include <linux/slab.h>
#include <linux/clk/tegra.h>
#include <asm/smp_plat.h>
diff --git a/arch/arm/mach-tegra/tegra.c b/arch/arm/mach-tegra/tegra.c
index 303a285d80fd..6191603379e1 100644
--- a/arch/arm/mach-tegra/tegra.c
+++ b/arch/arm/mach-tegra/tegra.c
@@ -73,10 +73,20 @@ u32 tegra_uart_config[3] = {
static void __init tegra_init_cache(void)
{
#ifdef CONFIG_CACHE_L2X0
+ static const struct of_device_id pl310_ids[] __initconst = {
+ { .compatible = "arm,pl310-cache", },
+ {}
+ };
+
+ struct device_node *np;
int ret;
void __iomem *p = IO_ADDRESS(TEGRA_ARM_PERIF_BASE) + 0x3000;
u32 aux_ctrl, cache_type;
+ np = of_find_matching_node(NULL, pl310_ids);
+ if (!np)
+ return;
+
cache_type = readl(p + L2X0_CACHE_TYPE);
aux_ctrl = (cache_type & 0x700) << (17-8);
aux_ctrl |= 0x7C400001;