[PATCH] Remove POWER10_CPU dependency and move PPC_MODULE_FEATURE_P10.

From: Danny Tsen
Date: Wed Apr 12 2023 - 14:13:08 EST


Remove Power10 dependency in Kconfig and detect Power10 feature at runtime.
Move PPC_MODULE_FEATURE_P10 definition to be in
arch/powerpc/include/asm/cpufeature.h.

Signed-off-by: Danny Tsen <dtsen@xxxxxxxxxxxxx>
---
arch/powerpc/crypto/Kconfig | 2 +-
arch/powerpc/crypto/aes-gcm-p10-glue.c | 1 -
arch/powerpc/include/asm/cpufeature.h | 1 +
3 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/crypto/Kconfig b/arch/powerpc/crypto/Kconfig
index 1f8f02b494e1..7113f9355165 100644
--- a/arch/powerpc/crypto/Kconfig
+++ b/arch/powerpc/crypto/Kconfig
@@ -96,7 +96,7 @@ config CRYPTO_AES_PPC_SPE

config CRYPTO_AES_GCM_P10
tristate "Stitched AES/GCM acceleration support on P10 or later CPU (PPC)"
- depends on PPC64 && POWER10_CPU && CPU_LITTLE_ENDIAN
+ depends on PPC64 && CPU_LITTLE_ENDIAN
select CRYPTO_LIB_AES
select CRYPTO_ALGAPI
select CRYPTO_AEAD
diff --git a/arch/powerpc/crypto/aes-gcm-p10-glue.c b/arch/powerpc/crypto/aes-gcm-p10-glue.c
index 1533c8cdd26f..bd3475f5348d 100644
--- a/arch/powerpc/crypto/aes-gcm-p10-glue.c
+++ b/arch/powerpc/crypto/aes-gcm-p10-glue.c
@@ -22,7 +22,6 @@
#include <linux/module.h>
#include <linux/types.h>

-#define PPC_MODULE_FEATURE_P10 (32 + ilog2(PPC_FEATURE2_ARCH_3_1))
#define PPC_ALIGN 16
#define GCM_IV_SIZE 12

diff --git a/arch/powerpc/include/asm/cpufeature.h b/arch/powerpc/include/asm/cpufeature.h
index f6f790a90367..2dcc66225e7f 100644
--- a/arch/powerpc/include/asm/cpufeature.h
+++ b/arch/powerpc/include/asm/cpufeature.h
@@ -22,6 +22,7 @@
*/

#define PPC_MODULE_FEATURE_VEC_CRYPTO (32 + ilog2(PPC_FEATURE2_VEC_CRYPTO))
+#define PPC_MODULE_FEATURE_P10 (32 + ilog2(PPC_FEATURE2_ARCH_3_1))

#define cpu_feature(x) (x)

--
2.31.1