arch: arm: core: cortex_a_r: mark unused function argument

Use ARG_UNUSED() to mark unused function argument.

(cherry picked from commit 3aa477b)

Original-Signed-off-by: Gaetan Perrot <[email protected]>
GitOrigin-RevId: 3aa477b
Cr-Build-Id: 8709847665304561137
Cr-Build-Url: https://cr-buildbucket.appspot.com/build/8709847665304561137
Copybot-Job-Name: zephyr-main-copybot-downstream
Change-Id: Ife9b9fa14e18a86755b7a7033c2205390878aeec
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/zephyr/+/6717682
Commit-Queue: ChromeOS Copybot <[email protected]>
Tested-by: ChromeOS Copybot <[email protected]>
Bot-Commit: ChromeOS Copybot <[email protected]>

Author: Gaetan Perrot

arch/arm/core/cortex_a_r/cache.c

@@ -203,11 +203,16 @@ int arch_icache_flush_and_invd_all(void)
 
 int arch_icache_flush_range(void *start_addr, size_t size)
 {
+	ARG_UNUSED(start_addr);
+	ARG_UNUSED(size);
+
 	return -ENOTSUP;
 }
 
 int arch_icache_invd_range(void *start_addr, size_t size)
 {
+	ARG_UNUSED(start_addr);
+	ARG_UNUSED(size);
 	/* Cortex A/R do have the ICIMVAU operation to selectively invalidate
 	 * the instruction cache, but not currently supported by CMSIS.
 	 * For now, invalidate the entire cache.
@@ -219,6 +224,9 @@ int arch_icache_invd_range(void *start_addr, size_t size)
 
 int arch_icache_flush_and_invd_range(void *start_addr, size_t size)
 {
+	ARG_UNUSED(start_addr);
+	ARG_UNUSED(size);
+
 	return -ENOTSUP;
 }