[PATCH] fixup! RISC-V: erizo: drop mach-erizo directory

[Ahmad Fatoum]

Erizo can't be built without DEBUG_LL at the moment, because
debug_ll_ns16550_init is not defined when DEBUG_LL is off.

Add new debug_ll_init() which expands to nought when CONFIG_DEBUG_LL=n.
---
 arch/riscv/boards/erizo/lowlevel.c        | 2 +-
 arch/riscv/include/asm/debug_ll.h         | 4 ++++
 arch/riscv/include/asm/debug_ll_ns16550.h | 2 ++
 3 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/arch/riscv/boards/erizo/lowlevel.c b/arch/riscv/boards/erizo/lowlevel.c
index d9edb530b746..6acf15931cdf 100644
--- a/arch/riscv/boards/erizo/lowlevel.c
+++ b/arch/riscv/boards/erizo/lowlevel.c
@@ -8,7 +8,7 @@ ENTRY_FUNCTION(start_erizo_generic, a0, a1, a2)
 {
 	extern char __dtb_z_erizo_generic_start[];
 
-	debug_ll_ns16550_init();
+	debug_ll_init();
 	putc_ll('>');
 
 	/* On POR, we are running from read-only memory here. */
diff --git a/arch/riscv/include/asm/debug_ll.h b/arch/riscv/include/asm/debug_ll.h
index 6ef26280d14e..6904460af98f 100644
--- a/arch/riscv/include/asm/debug_ll.h
+++ b/arch/riscv/include/asm/debug_ll.h
@@ -40,4 +40,8 @@ static inline void PUTC_LL(char ch)
 
 #endif
 
+#ifndef debug_ll_init
+#define debug_ll_init() (void)0
+#endif
+
 #endif /* __ASM_DEBUG_LL__ */
diff --git a/arch/riscv/include/asm/debug_ll_ns16550.h b/arch/riscv/include/asm/debug_ll_ns16550.h
index b09882ddad14..e208ef4fb1e1 100644
--- a/arch/riscv/include/asm/debug_ll_ns16550.h
+++ b/arch/riscv/include/asm/debug_ll_ns16550.h
@@ -168,4 +168,6 @@ static inline void debug_ll_ns16550_init(void)
 .endm
 #endif /* __ASSEMBLY__ */
 
+#define debug_ll_init debug_ll_ns16550_init
+
 #endif /* __INCLUDE_RISCV_ASM_DEBUG_LL_NS16550_H__ */
-- 
2.31.0