[V3,2/2] crypto: ccp - Disable interrupts early on unload
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Message ID 20170420202422.4843.38323.stgit@taos.amd.com
State Accepted
Delegated to: Herbert Xu
Headers show

Commit Message

Gary R Hook April 20, 2017, 8:24 p.m. UTC
From: Gary R Hook <ghook@amd.com>

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

Cc: <stable@vger.kernel.org> # 4.9.x+

Signed-off-by: Gary R Hook <ghook@amd.com>
---
 drivers/crypto/ccp/ccp-dev-v5.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Patch
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diff --git a/drivers/crypto/ccp/ccp-dev-v5.c b/drivers/crypto/ccp/ccp-dev-v5.c
index c7972e733e43..13b81a1c1184 100644
--- a/drivers/crypto/ccp/ccp-dev-v5.c
+++ b/drivers/crypto/ccp/ccp-dev-v5.c
@@ -942,10 +942,10 @@  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);
 	}