During init and reset, some actions are different between SEC1 and SEC2
This patch isolates them in small helper functions that we will be able
to redefine for SEC1
Signed-off-by: Christophe Leroy <christophe.leroy@xxxxxx>
---
drivers/crypto/talitos.c | 20 ++++++++++++++++----
1 file changed, 16 insertions(+), 4 deletions(-)
diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c
index 857414a..103bfcf 100644
--- a/drivers/crypto/talitos.c
+++ b/drivers/crypto/talitos.c
@@ -88,9 +88,8 @@ static void unmap_single_talitos_ptr(struct device *dev,
be16_to_cpu(talitos_ptr->len), dir);
}
-static int reset_channel(struct device *dev, int ch)
+static unsigned int do_reset_channel(struct talitos_private *priv, int ch)
{
- struct talitos_private *priv = dev_get_drvdata(dev);
unsigned int timeout = TALITOS_TIMEOUT;
setbits32(priv->chan[ch].reg + TALITOS_CCCR, TALITOS_CCCR_RESET);
@@ -99,6 +98,14 @@ static int reset_channel(struct device *dev, int ch)
&& --timeout)
cpu_relax();
+ return timeout;
+}
+
+static int reset_channel(struct device *dev, int ch)
+{
+ struct talitos_private *priv = dev_get_drvdata(dev);
+ unsigned int timeout = do_reset_channel(priv, ch);
+
if (timeout == 0) {
dev_err(dev, "failed to reset channel %d\n", ch);
return -EIO;
@@ -144,6 +151,12 @@ static int reset_device(struct device *dev)
/*
* Reset and initialize the device
*/
+static void do_init_device(struct talitos_private *priv)
+{
+ setbits32(priv->reg + TALITOS_IMR, TALITOS_IMR_INIT);
+ setbits32(priv->reg + TALITOS_IMR_LO, TALITOS_IMR_LO_INIT);
+}
+
static int init_device(struct device *dev)
{
struct talitos_private *priv = dev_get_drvdata(dev);
@@ -171,8 +184,7 @@ static int init_device(struct device *dev)
}
/* enable channel done and error interrupts */
- setbits32(priv->reg + TALITOS_IMR, TALITOS_IMR_INIT);
- setbits32(priv->reg + TALITOS_IMR_LO, TALITOS_IMR_LO_INIT);
+ do_init_device(priv);
/* disable integrity check error interrupts (use writeback instead) */
if (priv->features & TALITOS_FTR_HW_AUTH_CHECK)
--
2.1.0
--
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