aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/at91/patches-5.15/117-net-macb-add-function-to-disable-all-macb-clocks.patch
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/at91/patches-5.15/117-net-macb-add-function-to-disable-all-macb-clocks.patch')
-rw-r--r--target/linux/at91/patches-5.15/117-net-macb-add-function-to-disable-all-macb-clocks.patch82
1 files changed, 82 insertions, 0 deletions
diff --git a/target/linux/at91/patches-5.15/117-net-macb-add-function-to-disable-all-macb-clocks.patch b/target/linux/at91/patches-5.15/117-net-macb-add-function-to-disable-all-macb-clocks.patch
new file mode 100644
index 0000000000..a474f2a405
--- /dev/null
+++ b/target/linux/at91/patches-5.15/117-net-macb-add-function-to-disable-all-macb-clocks.patch
@@ -0,0 +1,82 @@
+From 935d9aae15ee245a1bc6e322cbef02566a8996cc Mon Sep 17 00:00:00 2001
+From: Claudiu Beznea <claudiu.beznea@microchip.com>
+Date: Wed, 9 Dec 2020 15:03:34 +0200
+Subject: [PATCH 117/247] net: macb: add function to disable all macb clocks
+
+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>
+---
+ drivers/net/ethernet/cadence/macb_main.c | 38 +++++++++++++-----------
+ 1 file changed, 21 insertions(+), 17 deletions(-)
+
+--- a/drivers/net/ethernet/cadence/macb_main.c
++++ b/drivers/net/ethernet/cadence/macb_main.c
+@@ -3606,6 +3606,20 @@ static void macb_probe_queues(void __iom
+ *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)
+@@ -4668,11 +4682,7 @@ err_out_free_netdev:
+ 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);
+@@ -4697,11 +4707,8 @@ static int macb_remove(struct platform_d
+ 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);
+@@ -4880,13 +4887,10 @@ static int __maybe_unused macb_runtime_s
+ 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;
+ }