From: Gary R Hook Subject: [PATCH V2 2/2] crypto: ccp - Disable interrupts early on unload Date: Thu, 13 Apr 2017 11:46:57 -0500 Message-ID: <20170413164657.11624.3790.stgit@taos> References: <20170413164352.11624.84058.stgit@taos> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Cc: , , To: Return-path: Received: from mail-dm3nam03on0086.outbound.protection.outlook.com ([104.47.41.86]:22688 "EHLO NAM03-DM3-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752689AbdDMQrM (ORCPT ); Thu, 13 Apr 2017 12:47:12 -0400 In-Reply-To: <20170413164352.11624.84058.stgit@taos> Sender: linux-crypto-owner@vger.kernel.org List-ID: From: Gary R Hook Ensure that we disable interrupts first when shutting down the driver. Signed-off-by: Gary R Hook --- drivers/crypto/ccp/ccp-dev-v5.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/crypto/ccp/ccp-dev-v5.c b/drivers/crypto/ccp/ccp-dev-v5.c index c7972e7..13b81a1 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); }