[PATCH v2 2/6] RISC-V: rename HAS_CACHE to RISCV_ICACHE

[Ahmad Fatoum <a.fatoum@pengutronix.de>]

CONFIG_HAS_CACHE only serves a purpose on RISC-V to allow barebox to run
on softcores without fence.i instruction. Rename the symbol to reflect
that in preparation for removing HAS_CACHE altogether.

Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
---
v1 -> v2:
  - no change
---
 arch/riscv/Kconfig.socs        | 9 ++++++---
 arch/riscv/include/asm/cache.h | 2 +-
 2 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/arch/riscv/Kconfig.socs b/arch/riscv/Kconfig.socs
index ccda688faf6d..4a3b56b5fff4 100644
--- a/arch/riscv/Kconfig.socs
+++ b/arch/riscv/Kconfig.socs
@@ -19,7 +19,7 @@ config SOC_VIRT
 	bool "QEMU Virt Machine"
 	select RISCV_S_MODE
 	select BOARD_GENERIC_DT
-	select HAS_CACHE
+	select RISCV_ICACHE
 	select HAS_DEBUG_LL
 	help
 	  Generates an image tht can be be booted by QEMU. The image is called
@@ -46,7 +46,7 @@ config BOARD_RISCVEMU
 
 config CPU_SIFIVE
 	bool
-	select HAS_CACHE
+	select RISCV_ICACHE
 
 config SOC_SIFIVE
 	bool "SiFive SoCs"
@@ -116,7 +116,7 @@ config SOC_ALLWINNER_SUN20I
 	bool "Allwinner Sun20i SoCs"
 	depends on ARCH_RV64I
 	select HAS_DEBUG_LL
-	select HAS_CACHE
+	select RISCV_ICACHE
 
 if SOC_ALLWINNER_SUN20I
 
@@ -130,6 +130,9 @@ endif
 
 comment "CPU features"
 
+config RISCV_ICACHE
+	bool
+
 config SIFIVE_L2
 	bool "SiFive L2 cache controller"
 	depends on CPU_SIFIVE
diff --git a/arch/riscv/include/asm/cache.h b/arch/riscv/include/asm/cache.h
index c787f890017e..8c3cde669c30 100644
--- a/arch/riscv/include/asm/cache.h
+++ b/arch/riscv/include/asm/cache.h
@@ -21,7 +21,7 @@ static inline void thead_local_flush_icache_all(void)
 
 static inline void local_flush_icache_all(void)
 {
-#ifdef CONFIG_HAS_CACHE
+#ifdef CONFIG_RISCV_ICACHE
 	switch(riscv_vendor_id()) {
 	case THEAD_VENDOR_ID:
 		thead_local_flush_icache_all();
-- 
2.39.5