From: Conor Dooley <conor@kernel.org>
To: Felix Gu <ustc.gu@gmail.com>
Cc: Conor Dooley <conor.dooley@microchip.com>,
Daire McNamara <daire.mcnamara@microchip.com>,
Bin Liu <b-liu@ti.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-riscv@lists.infradead.org, linux-usb@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] usb: musb: mpfs: fix phy unregister in remove()
Date: Tue, 15 Sep 2026 19:18:10 +0100 [thread overview]
Message-ID: <20260915-dragonfly-turret-edc08c3d9244@spud> (raw)
In-Reply-To: <20260914-mpfs-v1-1-0bb5b6c2e67c@gmail.com>
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On Mon, Sep 14, 2026 at 07:09:13PM +0800, Felix Gu wrote:
> mpfs_remove() passed the glue platform device instead of the
> registered generic PHY to usb_phy_generic_unregister(). This
> unregistered the glue device from within its own remove
> callback and leaked glue->phy.
>
> Pass glue->phy instead.
>
> Fixes: 7a96b6ea90a4 ("usb: musb: Add support for PolarFire SoC's musb controller")
> Signed-off-by: Felix Gu <ustc.gu@gmail.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Thanks,
Conor.
> ---
> drivers/usb/musb/mpfs.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/usb/musb/mpfs.c b/drivers/usb/musb/mpfs.c
> index 587127abd30a..6cc2909b8ae3 100644
> --- a/drivers/usb/musb/mpfs.c
> +++ b/drivers/usb/musb/mpfs.c
> @@ -357,7 +357,7 @@ static void mpfs_remove(struct platform_device *pdev)
>
> clk_disable_unprepare(glue->clk);
> platform_device_unregister(glue->musb);
> - usb_phy_generic_unregister(pdev);
> + usb_phy_generic_unregister(glue->phy);
> }
>
> #ifdef CONFIG_OF
>
> ---
> base-commit: 68142f986ff04b2b70b31db00f719bf690f64a9a
> change-id: 20260914-mpfs-086b7d22f8e5
>
> Best regards,
> --
> Felix Gu <ustc.gu@gmail.com>
>
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prev parent reply other threads:[~2026-09-15 18:18 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-14 11:09 [PATCH] usb: musb: mpfs: fix phy unregister in remove() Felix Gu
2026-09-15 18:18 ` Conor Dooley [this message]
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