[boot-wrapper PATCH 1/5] Remove unused Set/Way cache helpers

Mark Rutland mark.rutland at arm.com
Tue Aug 24 06:48:56 PDT 2021


We removed the Set/Way cache maintenance in commit:

  864182b26c20a39d ("Remove cache maintenance")

... but forgot to remove the arch helpers which are now unused.

Remove the unused helpers.

Signed-off-by: Mark Rutland <mark.rutland at arm.com>
---
 arch/aarch32/include/asm/cpu.h | 26 --------------------------
 arch/aarch64/include/asm/cpu.h | 26 --------------------------
 2 files changed, 52 deletions(-)

diff --git a/arch/aarch32/include/asm/cpu.h b/arch/aarch32/include/asm/cpu.h
index 878be67..a7993f0 100644
--- a/arch/aarch32/include/asm/cpu.h
+++ b/arch/aarch32/include/asm/cpu.h
@@ -56,32 +56,6 @@ static inline uint32_t read_id_pfr1(void)
 	return val;
 }
 
-static inline uint32_t read_clidr(void)
-{
-	uint32_t val;
-
-	asm volatile ("mrc	p15, 1, %0, c0, c0, 1" : "=r" (val));
-	return val;
-}
-
-static inline uint32_t read_ccsidr(void)
-{
-	uint32_t val;
-
-	asm volatile ("mrc	p15, 1, %0, c0, c0, 0" : "=r" (val));
-	return val;
-}
-
-static inline void write_csselr(uint32_t val)
-{
-	asm volatile ("mcr	p15, 2, %0, c0, c0, 0" : : "r" (val));
-}
-
-static inline void dccisw(uint32_t val)
-{
-	asm volatile ("mcr	p15, 0, %0, c7, c14, 2" : : "r" (val));
-}
-
 static inline void iciallu(void)
 {
 	uint32_t val = 0;
diff --git a/arch/aarch64/include/asm/cpu.h b/arch/aarch64/include/asm/cpu.h
index ccb5397..1cddbb8 100644
--- a/arch/aarch64/include/asm/cpu.h
+++ b/arch/aarch64/include/asm/cpu.h
@@ -66,32 +66,6 @@ static inline uint64_t read_id_aa64pfr0(void)
 	return val;
 }
 
-static inline uint32_t read_clidr(void)
-{
-	uint32_t val;
-
-	asm volatile ("mrs	%0, clidr_el1" : "=r" (val));
-	return val;
-}
-
-static inline uint32_t read_ccsidr(void)
-{
-	uint32_t val;
-
-	asm volatile ("mrs	%0, ccsidr_el1" : "=r" (val));
-	return val;
-}
-
-static inline void write_csselr(uint32_t val)
-{
-	asm volatile ("msr	csselr_el1, %0" : : "r" (val));
-}
-
-static inline void dccisw(uint32_t val)
-{
-	asm volatile ("dc	cisw, %0" : : "r" (val));
-}
-
 static inline void iciallu(void)
 {
 	asm volatile ("ic	iallu");
-- 
2.11.0




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