linux-kernel - [PATCH -mm] rapidio/idt_gen3: fixup for original driver patch

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Date:	Thu, 21 Jul 2016 17:46:36 -0400
From:	Alexandre Bounine <alexandre.bounine@....com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Alexandre Bounine <alexandre.bounine@....com>,
	Matt Porter <mporter@...nel.crashing.org>,
	Andre van Herk <andre.van.herk@...drive-technologies.com>,
	Barry Wood <barry.wood@....com>, linux-kernel@...r.kernel.org
Subject: [PATCH -mm] rapidio/idt_gen3: fixup for original driver patch

This patch has two fixes for the patch
"rapidio/switches: add driver for IDT gen3 switches" currently in -mm tree.

First address Andrew's comment about blocking delay.
The second fix was missed during the original patch preparation.

Signed-off-by: Alexandre Bounine <alexandre.bounine@....com>
Cc: Matt Porter <mporter@...nel.crashing.org>
Cc: Andre van Herk <andre.van.herk@...drive-technologies.com>
Cc: Barry Wood <barry.wood@....com>
Cc: linux-kernel@...r.kernel.org
---
 drivers/rapidio/switches/idt_gen3.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/rapidio/switches/idt_gen3.c b/drivers/rapidio/switches/idt_gen3.c
index 93fbba8..c5923a5 100644
--- a/drivers/rapidio/switches/idt_gen3.c
+++ b/drivers/rapidio/switches/idt_gen3.c
@@ -173,7 +173,8 @@ idtg3_em_init(struct rio_dev *rdev)
 	rio_write_config_32(rdev, RIO_EM_DEV_INT_EN, 0);
 
 	/* Disable port-write event notifications during initialization */
-	rio_write_config_32(rdev, rdev->em_efptr + RIO_EM_PW_TX_CTRL, 0);
+	rio_write_config_32(rdev, rdev->em_efptr + RIO_EM_PW_TX_CTRL,
+			    RIO_EM_PW_TX_CTRL_PW_DIS);
 
 	/* Configure Port-Write notifications for hot-swap events */
 	tmp = RIO_GET_TOTAL_PORTS(rdev->swpinfo);
@@ -255,7 +256,7 @@ idtg3_em_handler(struct rio_dev *rdev, u8 pnum)
 				    rval | RIO_PLM_SPx_IMP_SPEC_CTL_SOFT_RST);
 		udelay(10);
 		rio_write_config_32(rdev, RIO_PLM_SPx_IMP_SPEC_CTL(pnum), rval);
-		mdelay(500);
+		msleep(500);
 	}
 
 	return 0;
-- 
1.7.8.4