@@ -2709,6 +2709,9 @@ static int talitos_probe(struct platform_device *ofdev)
TALITOS_FTR_SHA224_HWINIT |
TALITOS_FTR_HMAC_OK;
+ if (of_device_is_compatible(np, "fsl,sec1.0"))
+ priv->features |= TALITOS_FTR_SEC1;
+
priv->chan = kzalloc(sizeof(struct talitos_channel) *
priv->num_channels, GFP_KERNEL);
if (!priv->chan) {
@@ -156,6 +156,23 @@ extern int talitos_submit(struct device *dev, int ch, struct talitos_desc *desc,
#define TALITOS_FTR_HW_AUTH_CHECK 0x00000002
#define TALITOS_FTR_SHA224_HWINIT 0x00000004
#define TALITOS_FTR_HMAC_OK 0x00000008
+#define TALITOS_FTR_SEC1 0x00000010
+
+/*
+ * If both CONFIG_CRYPTO_DEV_TALITOS1 and CONFIG_CRYPTO_DEV_TALITOS2 are
+ * defined, we check the features which are set according to the device tree.
+ * Otherwise, we answer true or false directly
+ */
+static inline bool has_ftr_sec1(struct talitos_private *priv)
+{
+#if defined(CONFIG_CRYPTO_DEV_TALITOS1) && defined(CONFIG_CRYPTO_DEV_TALITOS2)
+ return priv->features & TALITOS_FTR_SEC1 ? true : false;
+#elif defined(CONFIG_CRYPTO_DEV_TALITOS1)
+ return true;
+#else
+ return false;
+#endif
+}
/*
* TALITOS_xxx_LO addresses point to the low data bits (32-63) of the register
We add a new feature in the features field, to mark compatible "fsl,sec1.0" We also define a helper function called has_ftr_sec1() to help functions quickly determine if they are running on SEC1 or SEC2+. When only SEC1 or SEC2 is compiled in, has_ftr_sec1() return trivial corresponding value. If both are compiled in, feature field is checked. Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> --- drivers/crypto/talitos.c | 3 +++ drivers/crypto/talitos.h | 17 +++++++++++++++++ 2 files changed, 20 insertions(+)