[PATCH 3/3] crypto: caam/qi2 - relax busy polling while enqueuing FDs

[Horia Geantă]

Add cpu_relax() in the loop that tries to enqueue the FDs.

Signed-off-by: Horia Geantă <horia.gea...@nxp.com>
---
 drivers/crypto/caam/caamalg_qi2.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/crypto/caam/caamalg_qi2.c 
b/drivers/crypto/caam/caamalg_qi2.c
index 6a6a508f5fd2..c2c1abc68f81 100644
--- a/drivers/crypto/caam/caamalg_qi2.c
+++ b/drivers/crypto/caam/caamalg_qi2.c
@@ -5277,6 +5277,8 @@ int dpaa2_caam_enqueue(struct device *dev, struct 
caam_request *req)
                                                  &fd);
                if (err != -EBUSY)
                        break;
+
+               cpu_relax();
        }
 
        if (unlikely(err)) {
-- 
2.16.2