RSR (Request Source Register) is not used when
virtualization is disabled, thus don't poll for Valid bit.
Besides this, if used, timeout has to be reinitialized.
Signed-off-by: Horia Geanta <horia.geanta@xxxxxxxxxxxxx>
---
Only compile-tested.
Ruchika / Kim, please review / test.
drivers/crypto/caam/ctrl.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c
index c6e9d3b2d502..84d4b95c761e 100644
--- a/drivers/crypto/caam/ctrl.c
+++ b/drivers/crypto/caam/ctrl.c
@@ -89,12 +89,15 @@ static inline int run_descriptor_deco0(struct device *ctrldev, u32 *desc,
/* Set the bit to request direct access to DECO0 */
topregs = (struct caam_full __iomem *)ctrlpriv->ctrl;
- if (ctrlpriv->virt_en == 1)
+ if (ctrlpriv->virt_en == 1) {
setbits32(&topregs->ctrl.deco_rsr, DECORSR_JR0);
- while (!(rd_reg32(&topregs->ctrl.deco_rsr) & DECORSR_VALID) &&
- --timeout)
- cpu_relax();
+ while (!(rd_reg32(&topregs->ctrl.deco_rsr) & DECORSR_VALID) &&
+ --timeout)
+ cpu_relax();
+
+ timeout = 100000;
+ }
setbits32(&topregs->ctrl.deco_rq, DECORR_RQD0ENABLE);
--
1.8.3.1
--
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