This is a note to let you know that I've just added the patch titled
usb: misc: onboard_usb_hub: Disable the USB hub clock on failure
to the 6.8-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:
usb-misc-onboard_usb_hub-disable-the-usb-hub-clock-on-failure.patch
and it can be found in the queue-6.8 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 34b990e9bb54d20b9675ca9483be8668eed374d8 Mon Sep 17 00:00:00 2001
From: Fabio Estevam <festevam@xxxxxxx>
Date: Tue, 9 Apr 2024 13:29:10 -0300
Subject: usb: misc: onboard_usb_hub: Disable the USB hub clock on failure
From: Fabio Estevam <festevam@xxxxxxx>
commit 34b990e9bb54d20b9675ca9483be8668eed374d8 upstream.
In case regulator_bulk_enable() fails, the previously enabled USB hub
clock should be disabled.
Fix it accordingly.
Fixes: 65e62b8a955a ("usb: misc: onboard_usb_hub: Add support for clock input")
Cc: stable <stable@xxxxxxxxxx>
Signed-off-by: Fabio Estevam <festevam@xxxxxxx>
Reviewed-by: Frieder Schrempf <frieder.schrempf@xxxxxxxxxx>
Acked-by: Matthias Kaehlcke <mka@xxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20240409162910.2061640-1-festevam@xxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/usb/misc/onboard_usb_hub.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/misc/onboard_usb_hub.c b/drivers/usb/misc/onboard_usb_hub.c
index c6101ed2d9d4..d8049275a023 100644
--- a/drivers/usb/misc/onboard_usb_hub.c
+++ b/drivers/usb/misc/onboard_usb_hub.c
@@ -78,7 +78,7 @@ static int onboard_hub_power_on(struct onboard_hub *hub)
err = regulator_bulk_enable(hub->pdata->num_supplies, hub->supplies);
if (err) {
dev_err(hub->dev, "failed to enable supplies: %pe\n", ERR_PTR(err));
- return err;
+ goto disable_clk;
}
fsleep(hub->pdata->reset_us);
@@ -87,6 +87,10 @@ static int onboard_hub_power_on(struct onboard_hub *hub)
hub->is_powered_on = true;
return 0;
+
+disable_clk:
+ clk_disable_unprepare(hub->clk);
+ return err;
}
static int onboard_hub_power_off(struct onboard_hub *hub)
--
2.44.0
Patches currently in stable-queue which might be from festevam@xxxxxxx are
queue-6.8/usb-misc-onboard_usb_hub-disable-the-usb-hub-clock-on-failure.patch
