crypto: inside-secure - increase minimum transfer size

The token size was increased for AEAD support. Occasional authentication
fails arise since the result descriptor overflows. This is because the
token size and the engine minimal thresholds must be in sync.

Signed-off-by: Ofer Heifetz <oferh@marvell.com>
Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/drivers/crypto/inside-secure/safexcel.c b/drivers/crypto/inside-secure/safexcel.c
index 4e86f86..8691f63 100644 (file)
--- a/drivers/crypto/inside-secure/safexcel.c
+++ b/drivers/crypto/inside-secure/safexcel.c
@@ -296,8 +296,8 @@ static int safexcel_hw_init(struct safexcel_crypto_priv *priv)
 
        /* DMA transfer size to use */
        val = EIP197_HIA_DFE_CFG_DIS_DEBUG;
-       val |= EIP197_HIA_DxE_CFG_MIN_DATA_SIZE(5) | EIP197_HIA_DxE_CFG_MAX_DATA_SIZE(9);
-       val |= EIP197_HIA_DxE_CFG_MIN_CTRL_SIZE(5) | EIP197_HIA_DxE_CFG_MAX_CTRL_SIZE(7);
+       val |= EIP197_HIA_DxE_CFG_MIN_DATA_SIZE(6) | EIP197_HIA_DxE_CFG_MAX_DATA_SIZE(9);
+       val |= EIP197_HIA_DxE_CFG_MIN_CTRL_SIZE(6) | EIP197_HIA_DxE_CFG_MAX_CTRL_SIZE(7);
        val |= EIP197_HIA_DxE_CFG_DATA_CACHE_CTRL(RD_CACHE_3BITS);
        val |= EIP197_HIA_DxE_CFG_CTRL_CACHE_CTRL(RD_CACHE_3BITS);
        writel(val, EIP197_HIA_DFE(priv) + EIP197_HIA_DFE_CFG);
@@ -306,9 +306,9 @@ static int safexcel_hw_init(struct safexcel_crypto_priv *priv)
        writel(0, EIP197_HIA_DFE_THR(priv) + EIP197_HIA_DFE_THR_CTRL);
 
        /* Configure the procesing engine thresholds */
-       writel(EIP197_PE_IN_xBUF_THRES_MIN(5) | EIP197_PE_IN_xBUF_THRES_MAX(9),
+       writel(EIP197_PE_IN_xBUF_THRES_MIN(6) | EIP197_PE_IN_xBUF_THRES_MAX(9),
               EIP197_PE(priv) + EIP197_PE_IN_DBUF_THRES);
-       writel(EIP197_PE_IN_xBUF_THRES_MIN(5) | EIP197_PE_IN_xBUF_THRES_MAX(7),
+       writel(EIP197_PE_IN_xBUF_THRES_MIN(6) | EIP197_PE_IN_xBUF_THRES_MAX(7),
               EIP197_PE(priv) + EIP197_PE_IN_TBUF_THRES);
 
        if (priv->version == EIP197) {