Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

Pull crypto updates from Herbert Xu:
 "API:
   - Add the ability to abort a skcipher walk.

  Algorithms:
   - Fix XTS to actually do the stealing.
   - Add library helpers for AES and DES for single-block users.
   - Add library helpers for SHA256.
   - Add new DES key verification helper.
   - Add surrounding bits for ESSIV generator.
   - Add accelerations for aegis128.
   - Add test vectors for lzo-rle.

  Drivers:
   - Add i.MX8MQ support to caam.
   - Add gcm/ccm/cfb/ofb aes support in inside-secure.
   - Add ofb/cfb aes support in media-tek.
   - Add HiSilicon ZIP accelerator support.

  Others:
   - Fix potential race condition in padata.
   - Use unbound workqueues in padata"

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (311 commits)
  crypto: caam - Cast to long first before pointer conversion
  crypto: ccree - enable CTS support in AES-XTS
  crypto: inside-secure - Probe transform record cache RAM sizes
  crypto: inside-secure - Base RD fetchcount on actual RD FIFO size
  crypto: inside-secure - Base CD fetchcount on actual CD FIFO size
  crypto: inside-secure - Enable extended algorithms on newer HW
  crypto: inside-secure: Corrected configuration of EIP96_TOKEN_CTRL
  crypto: inside-secure - Add EIP97/EIP197 and endianness detection
  padata: remove cpu_index from the parallel_queue
  padata: unbind parallel jobs from specific CPUs
  padata: use separate workqueues for parallel and serial work
  padata, pcrypt: take CPU hotplug lock internally in padata_alloc_possible
  crypto: pcrypt - remove padata cpumask notifier
  padata: make padata_do_parallel find alternate callback CPU
  workqueue: require CPU hotplug read exclusion for apply_workqueue_attrs
  workqueue: unconfine alloc/apply/free_workqueue_attrs()
  padata: allocate workqueue internally
  arm64: dts: imx8mq: Add CAAM node
  random: Use wait_event_freezable() in add_hwgenerator_randomness()
  crypto: ux500 - Fix COMPILE_TEST warnings
  ...

1 files changed, 9 insertions, 2 deletions

diff --git a/drivers/crypto/inside-secure/safexcel_ring.c b/drivers/crypto/inside-secure/safexcel_ring.c
index 142bc3f5c45c..0f269b89cfd4 100644
--- a/drivers/crypto/inside-secure/safexcel_ring.c
+++ b/drivers/crypto/inside-secure/safexcel_ring.c
@@ -137,7 +137,13 @@ struct safexcel_command_desc *safexcel_add_cdesc(struct safexcel_crypto_priv *pr
 		struct safexcel_token *token =
 			(struct safexcel_token *)cdesc->control_data.token;
 
-		cdesc->control_data.packet_length = full_data_len;
+		/*
+		 * Note that the length here MUST be >0 or else the EIP(1)97
+		 * may hang. Newer EIP197 firmware actually incorporates this
+		 * fix already, but that doesn't help the EIP97 and we may
+		 * also be running older firmware.
+		 */
+		cdesc->control_data.packet_length = full_data_len ?: 1;
 		cdesc->control_data.options = EIP197_OPTION_MAGIC_VALUE |
 					      EIP197_OPTION_64BIT_CTX |
 					      EIP197_OPTION_CTX_CTRL_IN_CMD;
@@ -145,7 +151,8 @@ struct safexcel_command_desc *safexcel_add_cdesc(struct safexcel_crypto_priv *pr
 			(lower_32_bits(context) & GENMASK(31, 2)) >> 2;
 		cdesc->control_data.context_hi = upper_32_bits(context);
 
-		if (priv->version == EIP197B || priv->version == EIP197D)
+		if (priv->version == EIP197B_MRVL ||
+		    priv->version == EIP197D_MRVL)
 			cdesc->control_data.options |= EIP197_OPTION_RC_AUTO;
 
 		/* TODO: large xform HMAC with SHA-384/512 uses refresh = 3 */