Toolchains which do not directly support using "isb" and "dsb" directly are no longer functionally supported in U-Boot. Furthermore, clang has for a long time warned about using the alternate form that we were. Update the code.
Signed-off-by: Tom Rini trini@konsulko.com --- arch/arm/cpu/armv7/start.S | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/arm/cpu/armv7/start.S b/arch/arm/cpu/armv7/start.S index 7d7aac021e22..69e281b086af 100644 --- a/arch/arm/cpu/armv7/start.S +++ b/arch/arm/cpu/armv7/start.S @@ -134,8 +134,8 @@ ENTRY(c_runtime_cpu_setup) */ #if !CONFIG_IS_ENABLED(SYS_ICACHE_OFF) mcr p15, 0, r0, c7, c5, 0 @ invalidate icache - mcr p15, 0, r0, c7, c10, 4 @ DSB - mcr p15, 0, r0, c7, c5, 4 @ ISB + dsb + isb #endif
bx lr @@ -188,8 +188,8 @@ ENTRY(cpu_init_cp15) mcr p15, 0, r0, c8, c7, 0 @ invalidate TLBs mcr p15, 0, r0, c7, c5, 0 @ invalidate icache mcr p15, 0, r0, c7, c5, 6 @ invalidate BP array - mcr p15, 0, r0, c7, c10, 4 @ DSB - mcr p15, 0, r0, c7, c5, 4 @ ISB + dsb + isb
/* * disable MMU stuff and caches