Merge branch 'for-6.15/amd_sfh' into for-linus

From: Mario Limonciello <mario.limonciello@amd.com>

Some platforms include a human presence detection (HPD) sensor. When
enabled and a user is detected a wake event will be emitted from the
sensor fusion hub that software can react to.

Example use cases are "wake from suspend on approach" or to "lock
when leaving".

This is currently enabled by default on supported systems, but users
can't control it. This essentially means that wake on approach is
enabled which is a really surprising behavior to users that don't
expect it.

Instead of defaulting to enabled add a sysfs knob that users can
use to enable the feature if desirable and set it to disabled by
default.

1 files changed, 21 insertions, 27 deletions

diff --git a/crypto/seed.c b/crypto/seed.c
index d0506ade2a5f8..d05d8ed909fa7 100644
--- a/crypto/seed.c
+++ b/crypto/seed.c
@@ -13,7 +13,7 @@
 #include <linux/init.h>
 #include <linux/types.h>
 #include <linux/errno.h>
-#include <asm/byteorder.h>
+#include <linux/unaligned.h>
 
 #define SEED_NUM_KCONSTANTS	16
 #define SEED_KEY_SIZE		16
@@ -329,13 +329,12 @@ static int seed_set_key(struct crypto_tfm *tfm, const u8 *in_key,
 {
 	struct seed_ctx *ctx = crypto_tfm_ctx(tfm);
 	u32 *keyout = ctx->keysched;
-	const __be32 *key = (const __be32 *)in_key;
 	u32 i, t0, t1, x1, x2, x3, x4;
 
-	x1 = be32_to_cpu(key[0]);
-	x2 = be32_to_cpu(key[1]);
-	x3 = be32_to_cpu(key[2]);
-	x4 = be32_to_cpu(key[3]);
+	x1 = get_unaligned_be32(&in_key[0]);
+	x2 = get_unaligned_be32(&in_key[4]);
+	x3 = get_unaligned_be32(&in_key[8]);
+	x4 = get_unaligned_be32(&in_key[12]);
 
 	for (i = 0; i < SEED_NUM_KCONSTANTS; i++) {
 		t0 = x1 + x3 - KC[i];
@@ -364,15 +363,13 @@ static int seed_set_key(struct crypto_tfm *tfm, const u8 *in_key,
 static void seed_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
 {
 	const struct seed_ctx *ctx = crypto_tfm_ctx(tfm);
-	const __be32 *src = (const __be32 *)in;
-	__be32 *dst = (__be32 *)out;
 	u32 x1, x2, x3, x4, t0, t1;
 	const u32 *ks = ctx->keysched;
 
-	x1 = be32_to_cpu(src[0]);
-	x2 = be32_to_cpu(src[1]);
-	x3 = be32_to_cpu(src[2]);
-	x4 = be32_to_cpu(src[3]);
+	x1 = get_unaligned_be32(&in[0]);
+	x2 = get_unaligned_be32(&in[4]);
+	x3 = get_unaligned_be32(&in[8]);
+	x4 = get_unaligned_be32(&in[12]);
 
 	OP(x1, x2, x3, x4, 0);
 	OP(x3, x4, x1, x2, 2);
@@ -391,10 +388,10 @@ static void seed_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
 	OP(x1, x2, x3, x4, 28);
 	OP(x3, x4, x1, x2, 30);
 
-	dst[0] = cpu_to_be32(x3);
-	dst[1] = cpu_to_be32(x4);
-	dst[2] = cpu_to_be32(x1);
-	dst[3] = cpu_to_be32(x2);
+	put_unaligned_be32(x3, &out[0]);
+	put_unaligned_be32(x4, &out[4]);
+	put_unaligned_be32(x1, &out[8]);
+	put_unaligned_be32(x2, &out[12]);
 }
 
 /* decrypt a block of text */
@@ -402,15 +399,13 @@ static void seed_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
 static void seed_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
 {
 	const struct seed_ctx *ctx = crypto_tfm_ctx(tfm);
-	const __be32 *src = (const __be32 *)in;
-	__be32 *dst = (__be32 *)out;
 	u32 x1, x2, x3, x4, t0, t1;
 	const u32 *ks = ctx->keysched;
 
-	x1 = be32_to_cpu(src[0]);
-	x2 = be32_to_cpu(src[1]);
-	x3 = be32_to_cpu(src[2]);
-	x4 = be32_to_cpu(src[3]);
+	x1 = get_unaligned_be32(&in[0]);
+	x2 = get_unaligned_be32(&in[4]);
+	x3 = get_unaligned_be32(&in[8]);
+	x4 = get_unaligned_be32(&in[12]);
 
 	OP(x1, x2, x3, x4, 30);
 	OP(x3, x4, x1, x2, 28);
@@ -429,10 +424,10 @@ static void seed_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
 	OP(x1, x2, x3, x4, 2);
 	OP(x3, x4, x1, x2, 0);
 
-	dst[0] = cpu_to_be32(x3);
-	dst[1] = cpu_to_be32(x4);
-	dst[2] = cpu_to_be32(x1);
-	dst[3] = cpu_to_be32(x2);
+	put_unaligned_be32(x3, &out[0]);
+	put_unaligned_be32(x4, &out[4]);
+	put_unaligned_be32(x1, &out[8]);
+	put_unaligned_be32(x2, &out[12]);
 }
 
 
@@ -443,7 +438,6 @@ static struct crypto_alg seed_alg = {
 	.cra_flags		=	CRYPTO_ALG_TYPE_CIPHER,
 	.cra_blocksize		=	SEED_BLOCK_SIZE,
 	.cra_ctxsize		=	sizeof(struct seed_ctx),
-	.cra_alignmask		=	3,
 	.cra_module		=	THIS_MODULE,
 	.cra_u			=	{
 		.cipher = {