arm64: Delete the zero_za macro

zero_za was introduced in commit ca8a4ebcff44 ("arm64/sme: Manually encode
SME instructions") but doesn't appear to have any in kernel user. Drop it.

Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
Acked-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20231205160140.1438-1-yuzenghui@huawei.com
Signed-off-by: Will Deacon <will@kernel.org>

diff --git a/arch/arm64/include/asm/fpsimdmacros.h b/arch/arm64/include/asm/fpsimdmacros.h
index cdf6a35e399440e738d7f63932fe917784a2f416..cda81d009c9bd715f2957381427bd07fea09dbc9 100644 (file)
--- a/arch/arm64/include/asm/fpsimdmacros.h
+++ b/arch/arm64/include/asm/fpsimdmacros.h
@@ -242,14 +242,6 @@
                | (\nx << 5)
 .endm
 
-/*
- * Zero the entire ZA array
- *     ZERO ZA
- */
-.macro zero_za
-       .inst 0xc00800ff
-.endm
-
 .macro __for from:req, to:req
        .if (\from) == (\to)
                _for__body %\from