From: Mugunthan V N Date: Tue, 11 Jun 2013 10:02:05 +0000 (+0530) Subject: drivers: net: davinci_mdio: restore mdio clk divider in mdio resume X-Git-Tag: upstream/snapshot3+hdmi~4919^2~5 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=cc60ab0a8b5b62ea6b5cc1c6397adb5b4bd41271;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git 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 Signed-off-by: David S. Miller --- 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);