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net: macb: add function to disable all macb clocks

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Add function to disable all macb clocks.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Suggested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Claudiu Beznea
2020-12-09 15:03:34 +02:00
committed by David S. Miller
parent daafa1d33c
commit 38493da4e6
1 changed files with 21 additions and 17 deletions
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38
drivers/net/ethernet/cadence/macb_main.c
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@@ -3694,6 +3694,20 @@ static void macb_probe_queues(void __iomem *mem,
*num_queues = hweight32(*queue_mask);
}
static void macb_clks_disable(struct clk *pclk, struct clk *hclk, struct clk *tx_clk,
struct clk *rx_clk, struct clk *tsu_clk)
{
struct clk_bulk_data clks[] = {
{ .clk = tsu_clk, },
{ .clk = rx_clk, },
{ .clk = pclk, },
{ .clk = hclk, },
{ .clk = tx_clk },
};
clk_bulk_disable_unprepare(ARRAY_SIZE(clks), clks);
}
static int macb_clk_init(struct platform_device *pdev, struct clk **pclk,
struct clk **hclk, struct clk **tx_clk,
struct clk **rx_clk, struct clk **tsu_clk)
@@ -4755,11 +4769,7 @@ static int macb_probe(struct platform_device *pdev)
free_netdev(dev);
err_disable_clocks:
clk_disable_unprepare(tx_clk);
clk_disable_unprepare(hclk);
clk_disable_unprepare(pclk);
clk_disable_unprepare(rx_clk);
clk_disable_unprepare(tsu_clk);
macb_clks_disable(pclk, hclk, tx_clk, rx_clk, tsu_clk);
pm_runtime_disable(&pdev->dev);
pm_runtime_set_suspended(&pdev->dev);
pm_runtime_dont_use_autosuspend(&pdev->dev);
@@ -4784,11 +4794,8 @@ static int macb_remove(struct platform_device *pdev)
pm_runtime_disable(&pdev->dev);
pm_runtime_dont_use_autosuspend(&pdev->dev);
if (!pm_runtime_suspended(&pdev->dev)) {
clk_disable_unprepare(bp->tx_clk);
clk_disable_unprepare(bp->hclk);
clk_disable_unprepare(bp->pclk);
clk_disable_unprepare(bp->rx_clk);
clk_disable_unprepare(bp->tsu_clk);
macb_clks_disable(bp->pclk, bp->hclk, bp->tx_clk,
bp->rx_clk, bp->tsu_clk);
pm_runtime_set_suspended(&pdev->dev);
}
phylink_destroy(bp->phylink);
@@ -4967,13 +4974,10 @@ static int __maybe_unused macb_runtime_suspend(struct device *dev)
struct net_device *netdev = dev_get_drvdata(dev);
struct macb *bp = netdev_priv(netdev);
if (!(device_may_wakeup(dev))) {
clk_disable_unprepare(bp->tx_clk);
clk_disable_unprepare(bp->hclk);
clk_disable_unprepare(bp->pclk);
clk_disable_unprepare(bp->rx_clk);
}
clk_disable_unprepare(bp->tsu_clk);
if (!(device_may_wakeup(dev)))
macb_clks_disable(bp->pclk, bp->hclk, bp->tx_clk, bp->rx_clk, bp->tsu_clk);
else
macb_clks_disable(NULL, NULL, NULL, NULL, bp->tsu_clk);
return 0;
}