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authorMark Brown <broonie@linaro.org>2014-03-06 12:43:51 +0800
committerMark Brown <broonie@linaro.org>2014-03-06 12:43:51 +0800
commite37912fd0bdf174e934af6cfb0002a077867b644 (patch)
treec661c8a6e20e013abf4dd5ac27b9a70f218ff290 /arch/arm/mach-tegra
parent8535736c27cc4e25b9948d857138315f45b6fa34 (diff)
parent37f204164dfb0186a0caf20bc3e3120080bcd788 (diff)
Merge branch 'pm-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm into spi-pl022
Diffstat (limited to 'arch/arm/mach-tegra')
-rw-r--r--arch/arm/mach-tegra/pm.c1
-rw-r--r--arch/arm/mach-tegra/tegra.c10
2 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/pm.c b/arch/arm/mach-tegra/pm.c
index 4ae0286b468..f55b05a29b5 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 303a285d80f..6191603379e 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;