mediatek: add patches for 5.15 and kernel config for mt7622

Signed-off-by: Felix Fietkau <nbd@nbd.name>

1 files changed, 26 insertions, 0 deletions

diff --git a/target/linux/mediatek/patches-5.15/401-crypto-fix-eip97-cache-incoherent.patch b/target/linux/mediatek/patches-5.15/401-crypto-fix-eip97-cache-incoherent.patch
new file mode 100644
index 0000000000..186c66f687
--- /dev/null
+++ b/target/linux/mediatek/patches-5.15/401-crypto-fix-eip97-cache-incoherent.patch
@@ -0,0 +1,26 @@
+--- a/drivers/crypto/inside-secure/safexcel.h
++++ b/drivers/crypto/inside-secure/safexcel.h
+@@ -737,6 +737,9 @@ enum safexcel_eip_version {
+ /* Priority we use for advertising our algorithms */
+ #define SAFEXCEL_CRA_PRIORITY		300
+ 
++/* System cache line size */
++#define SYSTEM_CACHELINE_SIZE		64
++
+ /* SM3 digest result for zero length message */
+ #define EIP197_SM3_ZEROM_HASH	"\x1A\xB2\x1D\x83\x55\xCF\xA1\x7F" \
+ 				"\x8E\x61\x19\x48\x31\xE8\x1A\x8F" \
+--- a/drivers/crypto/inside-secure/safexcel_hash.c
++++ b/drivers/crypto/inside-secure/safexcel_hash.c
+@@ -55,9 +55,9 @@ struct safexcel_ahash_req {
+ 	u8 block_sz;    /* block size, only set once */
+ 	u8 digest_sz;   /* output digest size, only set once */
+ 	__le32 state[SHA3_512_BLOCK_SIZE /
+-		     sizeof(__le32)] __aligned(sizeof(__le32));
++		     sizeof(__le32)] __aligned(SYSTEM_CACHELINE_SIZE);
+ 
+-	u64 len;
++	u64 len __aligned(SYSTEM_CACHELINE_SIZE);
+ 	u64 processed;
+ 
+ 	u8 cache[HASH_CACHE_SIZE] __aligned(sizeof(u32));