Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git...

[deliverable/linux.git] / arch / arm / mach-tegra / tegra.c

diff --git a/arch/arm/mach-tegra/tegra.c b/arch/arm/mach-tegra/tegra.c
index 303a285d80fd7b7d7cc4280779c343b4a3123f4a..6191603379e13cad2da1552954c3e2fb903cc241 100644 (file)
--- 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;