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authorNeil Mandir <neil.mandir@seco.com>2025-08-26 10:30:22 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-09-04 16:55:43 +0200
commit3fdc52cb8471bf75046c603f0a65e904745b7fdb (patch)
treec1147486c883292135f7c87889070a038e5e526a
parent71581a82f38e5a4d807d71fc1bb59aead80ccf95 (diff)
net: macb: Disable clocks once
[ Upstream commit dac978e51cce0c1f00a14c4a82f81d387f79b2d4 ] When the driver is removed the clocks are disabled twice: once in macb_remove and a second time by runtime pm. Disable wakeup in remove so all the clocks are disabled and skip the second call to macb_clks_disable. Always suspend the device as we always set it active in probe. Fixes: d54f89af6cc4 ("net: macb: Add pm runtime support") Signed-off-by: Neil Mandir <neil.mandir@seco.com> Co-developed-by: Sean Anderson <sean.anderson@linux.dev> Signed-off-by: Sean Anderson <sean.anderson@linux.dev> Link: https://patch.msgid.link/20250826143022.935521-1-sean.anderson@linux.dev Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r--drivers/net/ethernet/cadence/macb_main.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index 3cb50e5385d4..d949d2ba6cb9 100644
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -5396,14 +5396,11 @@ static void macb_remove(struct platform_device *pdev)
mdiobus_unregister(bp->mii_bus);
mdiobus_free(bp->mii_bus);
+ device_set_wakeup_enable(&bp->pdev->dev, 0);
cancel_work_sync(&bp->hresp_err_bh_work);
pm_runtime_disable(&pdev->dev);
pm_runtime_dont_use_autosuspend(&pdev->dev);
- if (!pm_runtime_suspended(&pdev->dev)) {
- macb_clks_disable(bp->pclk, bp->hclk, bp->tx_clk,
- bp->rx_clk, bp->tsu_clk);
- pm_runtime_set_suspended(&pdev->dev);
- }
+ pm_runtime_set_suspended(&pdev->dev);
phylink_destroy(bp->phylink);
free_netdev(dev);
}