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authorMugunthan V N <mugunthanvnm@ti.com>2013-06-11 15:32:05 +0530
committerDavid S. Miller <davem@davemloft.net>2013-06-13 02:56:54 -0700
commitcc60ab0a8b5b62ea6b5cc1c6397adb5b4bd41271 (patch)
treec016cca4d63e8da8d93d76e6e7e214c13deed3cb
parent5033ec3e3f923a371c28f0c3df45905a9dd9c457 (diff)
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>
-rw-r--r--drivers/net/ethernet/ti/davinci_mdio.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/net/ethernet/ti/davinci_mdio.c b/drivers/net/ethernet/ti/davinci_mdio.c
index 74e56b3fba1..c47f0dbcebb 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);