[PATCH 8/9] MIPS: Add a platform hook for swiotlb setup.

[David Daney]

This allows platforms that are using the swiotlb to initialize it.

Signed-off-by: David Daney <ddaney@xxxxxxxxxxxxxxxxxx>
---
 arch/mips/include/asm/bootinfo.h |    5 +++++
 arch/mips/kernel/setup.c         |    5 +++++
 2 files changed, 10 insertions(+), 0 deletions(-)

diff --git a/arch/mips/include/asm/bootinfo.h b/arch/mips/include/asm/bootinfo.h
index 15a8ef0..b3cf989 100644
--- a/arch/mips/include/asm/bootinfo.h
+++ b/arch/mips/include/asm/bootinfo.h
@@ -125,4 +125,9 @@ extern unsigned long fw_arg0, fw_arg1, fw_arg2, fw_arg3;
  */
 extern void plat_mem_setup(void);
 
+/*
+ * Optional platform hook to call swiotlb_setup().
+ */
+extern void plat_swiotlb_setup(void);
+
 #endif /* _ASM_BOOTINFO_H */
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index 85aef3f..8b650da 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -488,6 +488,11 @@ static void __init arch_mem_init(char **cmdline_p)
 
 	bootmem_init();
 	sparse_init();
+
+#ifdef CONFIG_SWIOTLB
+	plat_swiotlb_setup();
+#endif
+
 	paging_init();
 }
 
-- 
1.7.2.2

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