From: Gary R Hook <ghook@amd.com>
Date: Thu, 20 Apr 2017 20:24:22 +0000 (-0500)
Subject: crypto: ccp - Disable interrupts early on unload
X-Git-Tag: v4.9.29~49
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=93424b2b63e0765c32e723173689a2d2b78d19ba;p=platform%2Fkernel%2Flinux-amlogic.git

crypto: ccp - Disable interrupts early on unload

commit 116591fe3eef11c6f06b662c9176385f13891183 upstream.

Ensure that we disable interrupts first when shutting down
the driver.

Signed-off-by: Gary R Hook <ghook@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/crypto/ccp/ccp-dev-v5.c b/drivers/crypto/ccp/ccp-dev-v5.c
index c85af39cc84d..a6cb07810d6a 100644
--- a/drivers/crypto/ccp/ccp-dev-v5.c
+++ b/drivers/crypto/ccp/ccp-dev-v5.c
@@ -884,10 +884,10 @@ static void ccp5_destroy(struct ccp_device *ccp)
 		iowrite32(cmd_q->qcontrol & ~CMD5_Q_RUN, cmd_q->reg_control);
 
 		/* Disable the interrupts */
-		iowrite32(SUPPORTED_INTERRUPTS, cmd_q->reg_interrupt_status);
+		iowrite32(0x00, cmd_q->reg_int_enable);
 
 		/* Clear the interrupt status */
-		iowrite32(0x00, cmd_q->reg_int_enable);
+		iowrite32(SUPPORTED_INTERRUPTS, cmd_q->reg_interrupt_status);
 		ioread32(cmd_q->reg_int_status);
 		ioread32(cmd_q->reg_status);
 	}