arm64: lse: use generic cpufeature detection for LSE atomics

Rework the cpufeature detection to support ISAR0 and use that for
detecting the presence of LSE atomics.

Signed-off-by: Will Deacon <will.deacon@arm.com>

1 files changed, 0 insertions, 4 deletions

diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c
index 82ae8429baf2..b2f9895ecf7b 100644
--- a/arch/arm64/kernel/setup.c
+++ b/arch/arm64/kernel/setup.c
@@ -284,10 +284,6 @@ static void __init setup_processor(void)
                 default:
                 case 2:
                         elf_hwcap |= HWCAP_ATOMICS;
-                        cpus_set_cap(ARM64_HAS_LSE_ATOMICS);
-                        if (IS_ENABLED(CONFIG_AS_LSE) &&
-                            IS_ENABLED(CONFIG_ARM64_LSE_ATOMICS))
-                                pr_info("LSE atomics supported\n");
                 case 1:
                         /* RESERVED */
                 case 0: