crypto: ccree - HOST_POWER_DOWN_EN should be the last CC access during suspend

During power management suspend the driver need to prepare the device
for the power down operation and as a last indication write to the
HOST_POWER_DOWN_EN register which signals to the hardware that
The ccree is ready for power down.

Signed-off-by: Ofir Drang <ofir.drang@arm.com>
Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Cc: stable@vger.kernel.org # v4.19+
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/crypto/ccree/cc_pm.c b/drivers/crypto/ccree/cc_pm.c
index 9a5abe406996..77025da2dcb6 100644
--- a/drivers/crypto/ccree/cc_pm.c
+++ b/drivers/crypto/ccree/cc_pm.c
@@ -25,13 +25,13 @@ int cc_pm_suspend(struct device *dev)
         int rc;
 
         dev_dbg(dev, "set HOST_POWER_DOWN_EN\n");
-        cc_iowrite(drvdata, CC_REG(HOST_POWER_DOWN_EN), POWER_DOWN_ENABLE);
         rc = cc_suspend_req_queue(drvdata);
         if (rc) {
                 dev_err(dev, "cc_suspend_req_queue (%x)\n", rc);
                 return rc;
         }
         fini_cc_regs(drvdata);
+        cc_iowrite(drvdata, CC_REG(HOST_POWER_DOWN_EN), POWER_DOWN_ENABLE);
         cc_clk_off(drvdata);
         return 0;
 }