MIPS: Add a platform hook for swiotlb setup.
This allows platforms that are using the swiotlb to initialize it.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Patchwork: http://patchwork.linux-mips.org/patch/1638/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/include/asm/bootinfo.h b/arch/mips/include/asm/bootinfo.h
index 15a8ef0..35cd1ba 100644
--- a/arch/mips/include/asm/bootinfo.h
+++ b/arch/mips/include/asm/bootinfo.h
@@ -125,4 +125,16 @@
*/
extern void plat_mem_setup(void);
+#ifdef CONFIG_SWIOTLB
+/*
+ * Optional platform hook to call swiotlb_setup().
+ */
+extern void plat_swiotlb_setup(void);
+
+#else
+
+static inline void plat_swiotlb_setup(void) {}
+
+#endif /* CONFIG_SWIOTLB */
+
#endif /* _ASM_BOOTINFO_H */
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index a6b900f..acd3f2c 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -490,6 +490,7 @@
bootmem_init();
device_tree_init();
sparse_init();
+ plat_swiotlb_setup();
paging_init();
}
