83 lines
2.8 KiB
Diff
83 lines
2.8 KiB
Diff
From 935d9aae15ee245a1bc6e322cbef02566a8996cc Mon Sep 17 00:00:00 2001
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From: Claudiu Beznea <claudiu.beznea@microchip.com>
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Date: Wed, 9 Dec 2020 15:03:34 +0200
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Subject: [PATCH 117/247] net: macb: add function to disable all macb clocks
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Add function to disable all macb clocks.
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Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
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Suggested-by: Andrew Lunn <andrew@lunn.ch>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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drivers/net/ethernet/cadence/macb_main.c | 38 +++++++++++++-----------
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1 file changed, 21 insertions(+), 17 deletions(-)
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--- a/drivers/net/ethernet/cadence/macb_main.c
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+++ b/drivers/net/ethernet/cadence/macb_main.c
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@@ -3575,6 +3575,20 @@ static void macb_probe_queues(void __iom
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*num_queues = hweight32(*queue_mask);
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}
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+static void macb_clks_disable(struct clk *pclk, struct clk *hclk, struct clk *tx_clk,
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+ struct clk *rx_clk, struct clk *tsu_clk)
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+{
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+ struct clk_bulk_data clks[] = {
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+ { .clk = tsu_clk, },
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+ { .clk = rx_clk, },
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+ { .clk = pclk, },
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+ { .clk = hclk, },
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+ { .clk = tx_clk },
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+ };
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+
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+ clk_bulk_disable_unprepare(ARRAY_SIZE(clks), clks);
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+}
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+
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static int macb_clk_init(struct platform_device *pdev, struct clk **pclk,
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struct clk **hclk, struct clk **tx_clk,
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struct clk **rx_clk, struct clk **tsu_clk)
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@@ -4637,11 +4651,7 @@ err_out_free_netdev:
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free_netdev(dev);
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err_disable_clocks:
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- clk_disable_unprepare(tx_clk);
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- clk_disable_unprepare(hclk);
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- clk_disable_unprepare(pclk);
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- clk_disable_unprepare(rx_clk);
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- clk_disable_unprepare(tsu_clk);
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+ macb_clks_disable(pclk, hclk, tx_clk, rx_clk, tsu_clk);
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pm_runtime_disable(&pdev->dev);
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pm_runtime_set_suspended(&pdev->dev);
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pm_runtime_dont_use_autosuspend(&pdev->dev);
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@@ -4666,11 +4676,8 @@ static int macb_remove(struct platform_d
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pm_runtime_disable(&pdev->dev);
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pm_runtime_dont_use_autosuspend(&pdev->dev);
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if (!pm_runtime_suspended(&pdev->dev)) {
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- clk_disable_unprepare(bp->tx_clk);
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- clk_disable_unprepare(bp->hclk);
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- clk_disable_unprepare(bp->pclk);
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- clk_disable_unprepare(bp->rx_clk);
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- clk_disable_unprepare(bp->tsu_clk);
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+ macb_clks_disable(bp->pclk, bp->hclk, bp->tx_clk,
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+ bp->rx_clk, bp->tsu_clk);
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pm_runtime_set_suspended(&pdev->dev);
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}
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phylink_destroy(bp->phylink);
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@@ -4849,13 +4856,10 @@ static int __maybe_unused macb_runtime_s
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struct net_device *netdev = dev_get_drvdata(dev);
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struct macb *bp = netdev_priv(netdev);
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- if (!(device_may_wakeup(dev))) {
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- clk_disable_unprepare(bp->tx_clk);
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- clk_disable_unprepare(bp->hclk);
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- clk_disable_unprepare(bp->pclk);
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- clk_disable_unprepare(bp->rx_clk);
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- }
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- clk_disable_unprepare(bp->tsu_clk);
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+ if (!(device_may_wakeup(dev)))
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+ macb_clks_disable(bp->pclk, bp->hclk, bp->tx_clk, bp->rx_clk, bp->tsu_clk);
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+ else
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+ macb_clks_disable(NULL, NULL, NULL, NULL, bp->tsu_clk);
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return 0;
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}
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