netdev - [net PATCH 2/2] drivers: net: davinci_mdio: restore mdio clk divider in mdio resume

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Message-ID: <1370944925-11374-3-git-send-email-mugunthanvnm@ti.com>
Date:	Tue, 11 Jun 2013 15:32:05 +0530
From:	Mugunthan V N <mugunthanvnm@...com>
To:	<netdev@...r.kernel.org>
CC:	<davem@...emloft.net>, <linux-omap@...r.kernel.org>,
	Mugunthan V N <mugunthanvnm@...com>
Subject: [net PATCH 2/2] drivers: net: davinci_mdio: restore mdio clk divider in mdio resume

During suspend resume cycle all the register data is lost, so MDIO
clock divier value gets reset. This patch restores the clock divider
value.

Signed-off-by: Mugunthan V N <mugunthanvnm@...com>
---
 drivers/net/ethernet/ti/davinci_mdio.c |    5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/ti/davinci_mdio.c b/drivers/net/ethernet/ti/davinci_mdio.c
index 74e56b3..c47f0db 100644
--- a/drivers/net/ethernet/ti/davinci_mdio.c
+++ b/drivers/net/ethernet/ti/davinci_mdio.c
@@ -459,15 +459,12 @@ static int davinci_mdio_suspend(struct device *dev)
 static int davinci_mdio_resume(struct device *dev)
 {
 	struct davinci_mdio_data *data = dev_get_drvdata(dev);
-	u32 ctrl;
 
 	pm_runtime_get_sync(data->dev);
 
 	spin_lock(&data->lock);
 	/* restart the scan state machine */
-	ctrl = __raw_readl(&data->regs->control);
-	ctrl |= CONTROL_ENABLE;
-	__raw_writel(ctrl, &data->regs->control);
+	__davinci_mdio_reset(data);
 
 	data->suspended = false;
 	spin_unlock(&data->lock);
-- 
1.7.9.5

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