[PATCH V2 3/3] ARM: tegra: move debug-macro.S to include/debug
From: Stephen Warren <hidden>
Date: 2012-10-19 16:40:29
Also in:
linux-tegra
On 10/18/2012 07:47 AM, Rob Herring wrote: ...
Here is what I mentioned previously. This removes the static mapping from the platforms. This is untested and probably breaks on different DEBUG_LL options. For now, platforms call debug_ll_io_init, but once all platforms are converted, this can be called from devicemaps_init.
quoted hunk ↗ jump to hunk
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
+void __init debug_ll_io_init(void)
+{
+ struct map_desc map;
+
+ if (!IS_ENABLED(CONFIG_DEBUG_LL))
+ return;
+
+ debug_ll_addr(&map.pfn, &map.virtual);
+ map.pfn = __phys_to_pfn(map.pfn);
+ map.length = PAGE_SIZE;
+ map.type = MT_DEVICE;
+ create_mapping(&map);
+}OK, so I just call this new function from Tegra's tegra_map_common_io(). That looks pretty neat. I'll give it a try.