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drivers: net: davinci_mdio: restore mdio clk divider in mdio resume

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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);