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path: root/drivers/crypto/caam/jr.c
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Diffstat (limited to 'drivers/crypto/caam/jr.c')
-rw-r--r--drivers/crypto/caam/jr.c67
1 files changed, 0 insertions, 67 deletions
diff --git a/drivers/crypto/caam/jr.c b/drivers/crypto/caam/jr.c
index b4aa773ecbc8..105ba4da6180 100644
--- a/drivers/crypto/caam/jr.c
+++ b/drivers/crypto/caam/jr.c
@@ -126,72 +126,6 @@ static void caam_jr_dequeue(unsigned long devarg)
}
/**
- * caam_jr_register() - Alloc a ring for someone to use as needed. Returns
- * an ordinal of the rings allocated, else returns -ENODEV if no rings
- * are available.
- * @ctrldev: points to the controller level dev (parent) that
- * owns rings available for use.
- * @dev: points to where a pointer to the newly allocated queue's
- * dev can be written to if successful.
- **/
-int caam_jr_register(struct device *ctrldev, struct device **rdev)
-{
- struct caam_drv_private *ctrlpriv = dev_get_drvdata(ctrldev);
- struct caam_drv_private_jr *jrpriv = NULL;
- int ring;
-
- /* Lock, if free ring - assign, unlock */
- spin_lock(&ctrlpriv->jr_alloc_lock);
- for (ring = 0; ring < ctrlpriv->total_jobrs; ring++) {
- jrpriv = dev_get_drvdata(ctrlpriv->jrdev[ring]);
- if (jrpriv->assign == JOBR_UNASSIGNED) {
- jrpriv->assign = JOBR_ASSIGNED;
- *rdev = ctrlpriv->jrdev[ring];
- spin_unlock(&ctrlpriv->jr_alloc_lock);
- return ring;
- }
- }
-
- /* If assigned, write dev where caller needs it */
- spin_unlock(&ctrlpriv->jr_alloc_lock);
- *rdev = NULL;
-
- return -ENODEV;
-}
-EXPORT_SYMBOL(caam_jr_register);
-
-/**
- * caam_jr_deregister() - Deregister an API and release the queue.
- * Returns 0 if OK, -EBUSY if queue still contains pending entries
- * or unprocessed results at the time of the call
- * @dev - points to the dev that identifies the queue to
- * be released.
- **/
-int caam_jr_deregister(struct device *rdev)
-{
- struct caam_drv_private_jr *jrpriv = dev_get_drvdata(rdev);
- struct caam_drv_private *ctrlpriv;
-
- /* Get the owning controller's private space */
- ctrlpriv = dev_get_drvdata(jrpriv->parentdev);
-
- /*
- * Make sure ring empty before release
- */
- if (rd_reg32(&jrpriv->rregs->outring_used) ||
- (rd_reg32(&jrpriv->rregs->inpring_avail) != JOBR_DEPTH))
- return -EBUSY;
-
- /* Release ring */
- spin_lock(&ctrlpriv->jr_alloc_lock);
- jrpriv->assign = JOBR_UNASSIGNED;
- spin_unlock(&ctrlpriv->jr_alloc_lock);
-
- return 0;
-}
-EXPORT_SYMBOL(caam_jr_deregister);
-
-/**
* caam_jr_enqueue() - Enqueue a job descriptor head. Returns 0 if OK,
* -EBUSY if the queue is full, -EIO if it cannot map the caller's
* descriptor.
@@ -379,7 +313,6 @@ static int caam_jr_init(struct device *dev)
(JOBR_INTC_COUNT_THLD << JRCFG_ICDCT_SHIFT) |
(JOBR_INTC_TIME_THLD << JRCFG_ICTT_SHIFT));
- jrp->assign = JOBR_UNASSIGNED;
return 0;
}