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Commit cc60ab0a authored by Mugunthan V N's avatar Mugunthan V N Committed by David S. Miller
Browse files

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: default avatarMugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 5033ec3e

drivers/net/ethernet/ti/davinci_mdio.c

+1 −4
Original line number Diff line number Diff line
@@ -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);