[PATCH] usb: musb: mpfs: fix phy unregister in remove()

Conor Dooley conor at kernel.org
Tue Sep 15 11:18:10 PDT 2026


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 at gmail.com>

Reviewed-by: Conor Dooley <conor.dooley at 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 at gmail.com>
> 
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