This is a note to let you know that I've just added the patch titled
net: ravb: Use pm_runtime_resume_and_get()
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
net-ravb-use-pm_runtime_resume_and_get.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 1d54b3d8edeff97f709b29ee2a4379db914899ba
Author: Claudiu Beznea <claudiu.beznea.uj@xxxxxxxxxxxxxx>
Date: Tue Nov 28 10:04:35 2023 +0200
net: ravb: Use pm_runtime_resume_and_get()
[ Upstream commit 88b74831faaee455c2af380382d979fc38e79270 ]
pm_runtime_get_sync() may return an error. In case it returns with an error
dev->power.usage_count needs to be decremented. pm_runtime_resume_and_get()
takes care of this. Thus use it.
Fixes: c156633f1353 ("Renesas Ethernet AVB driver proper")
Reviewed-by: Sergey Shtylyov <s.shtylyov@xxxxxx>
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@xxxxxxxxxxxxxx>
Signed-off-by: Paolo Abeni <pabeni@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
index 709c770b391c5..a556faa47f036 100644
--- a/drivers/net/ethernet/renesas/ravb_main.c
+++ b/drivers/net/ethernet/renesas/ravb_main.c
@@ -2193,7 +2193,9 @@ static int ravb_probe(struct platform_device *pdev)
goto out_free_netdev;
pm_runtime_enable(&pdev->dev);
- pm_runtime_get_sync(&pdev->dev);
+ error = pm_runtime_resume_and_get(&pdev->dev);
+ if (error < 0)
+ goto out_rpm_disable;
if (info->multi_irqs)
irq = platform_get_irq_byname(pdev, "ch22");
@@ -2377,6 +2379,7 @@ static int ravb_probe(struct platform_device *pdev)
clk_disable_unprepare(priv->refclk);
out_release:
pm_runtime_put(&pdev->dev);
+out_rpm_disable:
pm_runtime_disable(&pdev->dev);
reset_control_assert(rstc);
out_free_netdev:
