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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@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Mugunthan V N 2013-06-11 15:32:05 +05:30 committed by David S. Miller
parent 5033ec3e3f
commit cc60ab0a8b
1 changed files with 1 additions and 4 deletions
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5
drivers/net/ethernet/ti/davinci_mdio.c
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@ -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);