openamp/0004-lib-system-nuttx-fix-unused-parameter-compile-error.patch

From f003d671f816b319ad0f8d017022c93b438b78b3 Mon Sep 17 00:00:00 2001
From: Yongrong Wang <wangyongrong@xiaomi.com>
Date: Mon, 9 Sep 2024 19:46:37 +0800
Subject: [PATCH 4/5] lib/system/nuttx: fix unused parameter compile error
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/home/wyr/work/code/project/cardev/nuttx/openamp/libmetal/lib/system/nuttx/device.c:16:22: error: 'io' undeclared (first use in this function)
   16 |         metal_unused(io);
/home/wyr/work/code/project/cardev/nuttx/openamp/libmetal/lib/system/nuttx/device.c:14:53: error: unused parameter 'dev' [-Werror=unused-parameter]
   14 | int metal_generic_dev_sys_open(struct metal_device *dev)

error: unused parameter ‘addr’ [-Werror=unused-parameter]
   25 | static inline void __metal_cache_flush(void *addr, unsigned int len)
      |                                        ~~~~~~^~~~
error: unused parameter ‘len’ [-Werror=unused-parameter]
   25 | static inline void __metal_cache_flush(void *addr, unsigned int len)
      |                                                    ~~~~~~~~~~~~~^~~

Signed-off-by: Yongrong Wang <wangyongrong@xiaomi.com>
---
 lib/system/nuttx/cache.h  | 5 +++++
 lib/system/nuttx/device.c | 1 +
 lib/system/nuttx/init.c   | 1 +
 lib/system/nuttx/io.c     | 6 ++++++
 lib/system/nuttx/io.h     | 3 +++
 5 files changed, 16 insertions(+)

diff --git a/lib/system/nuttx/cache.h libmetal/lib/system/nuttx/cache.h
index e3b6052..22b94b4 100644
--- a/lib/system/nuttx/cache.h
+++ libmetal/lib/system/nuttx/cache.h
@@ -16,6 +16,7 @@
 #ifndef __METAL_NUTTX_CACHE__H__
 #define __METAL_NUTTX_CACHE__H__
 
+#include <metal/utilities.h>
 #include <nuttx/arch.h>
 
 #ifdef __cplusplus
@@ -24,11 +25,15 @@ extern "C" {
 
 static inline void __metal_cache_flush(void *addr, unsigned int len)
 {
+	metal_unused(addr);
+	metal_unused(len);
 	up_clean_dcache((uintptr_t)addr, (uintptr_t)addr + len);
 }
 
 static inline void __metal_cache_invalidate(void *addr, unsigned int len)
 {
+	metal_unused(addr);
+	metal_unused(len);
 	up_invalidate_dcache((uintptr_t)addr, (uintptr_t)addr + len);
 }
 
diff --git a/lib/system/nuttx/device.c libmetal/lib/system/nuttx/device.c
index 7e66ab3..2c828ab 100644
--- a/lib/system/nuttx/device.c
+++ libmetal/lib/system/nuttx/device.c
@@ -13,5 +13,6 @@
 
 int metal_generic_dev_sys_open(struct metal_device *dev)
 {
+	metal_unused(dev);
 	return 0;
 }
diff --git a/lib/system/nuttx/init.c libmetal/lib/system/nuttx/init.c
index 8d59784..2519dc6 100644
--- a/lib/system/nuttx/init.c
+++ libmetal/lib/system/nuttx/init.c
@@ -19,6 +19,7 @@ int metal_sys_init(const struct metal_init_params *params)
 {
 	int ret = metal_cntr_irq_init();
 
+	metal_unused(params);
 	if (ret >= 0)
 		ret = metal_bus_register(&metal_generic_bus);
 	return ret;
diff --git a/lib/system/nuttx/io.c libmetal/lib/system/nuttx/io.c
index ab9bc6a..41697a7 100644
--- a/lib/system/nuttx/io.c
+++ libmetal/lib/system/nuttx/io.c
@@ -15,6 +15,7 @@ static uint64_t metal_io_read_(struct metal_io_region *io,
 {
 	uint64_t value = 0;
 
+	metal_unused(order);
 	metal_io_block_read(io, offset, &value, width);
 	return value;
 }
@@ -25,6 +26,7 @@ static void metal_io_write_(struct metal_io_region *io,
 			    memory_order order,
 			    int width)
 {
+	metal_unused(order);
 	metal_io_block_write(io, offset, &value, width);
 }
 
@@ -36,6 +38,7 @@ static int metal_io_block_read_(struct metal_io_region *io,
 {
 	void *va = metal_io_virt(io, offset);
 
+	metal_unused(order);
 	metal_cache_invalidate(va, len);
 	if (len == 1)
 		*(uint8_t *)dst = *(uint8_t *)va;
@@ -60,6 +63,7 @@ static int metal_io_block_write_(struct metal_io_region *io,
 {
 	void *va = metal_io_virt(io, offset);
 
+	metal_unused(order);
 	if (len == 1)
 		*(uint8_t *)va = *(uint8_t *)src;
 	else if (len == 2)
@@ -85,12 +89,14 @@ static void metal_io_block_set_(struct metal_io_region *io,
 {
 	void *va = metal_io_virt(io, offset);
 
+	metal_unused(order);
 	memset(va, value, len);
 	metal_cache_flush(va, len);
 }
 
 static void metal_io_close_(struct metal_io_region *io)
 {
+	metal_unused(io);
 }
 
 static metal_phys_addr_t metal_io_offset_to_phys_(struct metal_io_region *io,
diff --git a/lib/system/nuttx/io.h libmetal/lib/system/nuttx/io.h
index 7f6508d..743b7b1 100644
--- a/lib/system/nuttx/io.h
+++ libmetal/lib/system/nuttx/io.h
@@ -16,6 +16,8 @@
 #ifndef __METAL_NUTTX_IO__H__
 #define __METAL_NUTTX_IO__H__
 
+#include <metal/utilities.h>
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -39,6 +41,7 @@ struct metal_io_region *metal_io_get_region(void);
  */
 static inline void metal_sys_io_mem_map(struct metal_io_region *io)
 {
+	metal_unused(io);
 }
 #endif
 
-- 
2.34.1