Add function to disable all macb clocks.
Signed-off-by: Claudiu Beznea <claudiu.beznea@xxxxxxxxxxxxx>
Suggested-by: Andrew Lunn <andrew@xxxxxxx>
---
drivers/net/ethernet/cadence/macb_main.c | 62 ++++++++++++++++----------------
1 file changed, 32 insertions(+), 30 deletions(-)
diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index b23e986ac6dc..6b8e1109dfd3 100644
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -3694,6 +3694,16 @@ 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)
+{
+ clk_disable_unprepare(tx_clk);
+ clk_disable_unprepare(hclk);
+ clk_disable_unprepare(pclk);
+ clk_disable_unprepare(rx_clk);
+ clk_disable_unprepare(tsu_clk);
+}
+
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)
@@ -3743,40 +3753,37 @@ static int macb_clk_init(struct platform_device *pdev, struct clk **pclk,
err = clk_prepare_enable(*hclk);
if (err) {
dev_err(&pdev->dev, "failed to enable hclk (%d)\n", err);
- goto err_disable_pclk;
+ hclk = NULL;
+ tx_clk = NULL;
+ rx_clk = NULL;
+ goto err_disable_clks;
}
err = clk_prepare_enable(*tx_clk);
if (err) {
dev_err(&pdev->dev, "failed to enable tx_clk (%d)\n", err);
- goto err_disable_hclk;
+ tx_clk = NULL;
+ rx_clk = NULL;
+ goto err_disable_clks;
}
err = clk_prepare_enable(*rx_clk);
if (err) {
dev_err(&pdev->dev, "failed to enable rx_clk (%d)\n", err);
- goto err_disable_txclk;
+ rx_clk = NULL;
+ goto err_disable_clks;
}
err = clk_prepare_enable(*tsu_clk);
if (err) {
dev_err(&pdev->dev, "failed to enable tsu_clk (%d)\n", err);
- goto err_disable_rxclk;
+ goto err_disable_clks;
}
return 0;
-err_disable_rxclk:
- clk_disable_unprepare(*rx_clk);
-
-err_disable_txclk:
- clk_disable_unprepare(*tx_clk);
-
-err_disable_hclk:
- clk_disable_unprepare(*hclk);
-
-err_disable_pclk:
- clk_disable_unprepare(*pclk);
+err_disable_clks:
+ macb_clks_disable(*pclk, *hclk, *tx_clk, *rx_clk, NULL);
return err;
}
@@ -4755,11 +4762,7 @@ 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(bp->pclk, bp->hclk, bp->tx_clk, bp->rx_clk, bp->tsu_clk);
pm_runtime_disable(&pdev->dev);
pm_runtime_set_suspended(&pdev->dev);
pm_runtime_dont_use_autosuspend(&pdev->dev);
@@ -4784,11 +4787,8 @@ 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);
@@ -4966,14 +4966,16 @@ static int __maybe_unused macb_runtime_suspend(struct device *dev)
{
struct net_device *netdev = dev_get_drvdata(dev);
struct macb *bp = netdev_priv(netdev);
+ struct clk *pclk = NULL, *hclk = NULL, *tx_clk = NULL, *rx_clk = NULL;
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);
+ pclk = bp->pclk;
+ hclk = bp->hclk;
+ tx_clk = bp->tx_clk;
+ rx_clk = bp->rx_clk;
}
- clk_disable_unprepare(bp->tsu_clk);
+
+ macb_clks_disable(pclk, hclk, tx_clk, rx_clk, bp->tsu_clk);
return 0;
}
--
2.7.4
