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path: root/drivers/crypto/caam/ctrl.c
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Diffstat (limited to 'drivers/crypto/caam/ctrl.c')
-rw-r--r--drivers/crypto/caam/ctrl.c59
1 files changed, 31 insertions, 28 deletions
diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c
index 5d7f73d60515..dd353e342c12 100644
--- a/drivers/crypto/caam/ctrl.c
+++ b/drivers/crypto/caam/ctrl.c
@@ -18,6 +18,10 @@
bool caam_little_end;
EXPORT_SYMBOL(caam_little_end);
+#ifdef CONFIG_CAAM_QI
+#include "qi.h"
+#endif
+
/*
* i.MX targets tend to have clock control subsystems that can
* enable/disable clocking to our device.
@@ -310,6 +314,11 @@ static int caam_remove(struct platform_device *pdev)
/* Remove platform devices under the crypto node */
of_platform_depopulate(ctrldev);
+#ifdef CONFIG_CAAM_QI
+ if (ctrlpriv->qidev)
+ caam_qi_shutdown(ctrlpriv->qidev);
+#endif
+
/* De-initialize RNG state handles initialized by this driver. */
if (ctrlpriv->rng4_sh_init)
deinstantiate_rng(ctrldev, ctrlpriv->rng4_sh_init);
@@ -400,23 +409,6 @@ int caam_get_era(void)
}
EXPORT_SYMBOL(caam_get_era);
-#ifdef CONFIG_DEBUG_FS
-static int caam_debugfs_u64_get(void *data, u64 *val)
-{
- *val = caam64_to_cpu(*(u64 *)data);
- return 0;
-}
-
-static int caam_debugfs_u32_get(void *data, u64 *val)
-{
- *val = caam32_to_cpu(*(u32 *)data);
- return 0;
-}
-
-DEFINE_SIMPLE_ATTRIBUTE(caam_fops_u32_ro, caam_debugfs_u32_get, NULL, "%llu\n");
-DEFINE_SIMPLE_ATTRIBUTE(caam_fops_u64_ro, caam_debugfs_u64_get, NULL, "%llu\n");
-#endif
-
static const struct of_device_id caam_match[] = {
{
.compatible = "fsl,sec-v4.0",
@@ -613,6 +605,18 @@ static int caam_probe(struct platform_device *pdev)
goto iounmap_ctrl;
}
+#ifdef CONFIG_DEBUG_FS
+ /*
+ * FIXME: needs better naming distinction, as some amalgamation of
+ * "caam" and nprop->full_name. The OF name isn't distinctive,
+ * but does separate instances
+ */
+ perfmon = (struct caam_perfmon __force *)&ctrl->perfmon;
+
+ ctrlpriv->dfs_root = debugfs_create_dir(dev_name(dev), NULL);
+ ctrlpriv->ctl = debugfs_create_dir("ctl", ctrlpriv->dfs_root);
+#endif
+
ring = 0;
for_each_available_child_of_node(nprop, np)
if (of_device_is_compatible(np, "fsl,sec-v4.0-job-ring") ||
@@ -637,6 +641,13 @@ static int caam_probe(struct platform_device *pdev)
);
/* This is all that's required to physically enable QI */
wr_reg32(&ctrlpriv->qi->qi_control_lo, QICTL_DQEN);
+
+ /* If QMAN driver is present, init CAAM-QI backend */
+#ifdef CONFIG_CAAM_QI
+ ret = caam_qi_init(pdev);
+ if (ret)
+ dev_err(dev, "caam qi i/f init failed: %d\n", ret);
+#endif
}
/* If no QI and no rings specified, quit and go home */
@@ -724,17 +735,6 @@ static int caam_probe(struct platform_device *pdev)
ctrlpriv->total_jobrs, ctrlpriv->qi_present);
#ifdef CONFIG_DEBUG_FS
- /*
- * FIXME: needs better naming distinction, as some amalgamation of
- * "caam" and nprop->full_name. The OF name isn't distinctive,
- * but does separate instances
- */
- perfmon = (struct caam_perfmon __force *)&ctrl->perfmon;
-
- ctrlpriv->dfs_root = debugfs_create_dir(dev_name(dev), NULL);
- ctrlpriv->ctl = debugfs_create_dir("ctl", ctrlpriv->dfs_root);
-
- /* Controller-level - performance monitor counters */
ctrlpriv->ctl_rq_dequeued =
debugfs_create_file("rq_dequeued",
@@ -817,6 +817,9 @@ static int caam_probe(struct platform_device *pdev)
return 0;
caam_remove:
+#ifdef CONFIG_DEBUG_FS
+ debugfs_remove_recursive(ctrlpriv->dfs_root);
+#endif
caam_remove(pdev);
return ret;