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Message-ID: <Pine.LNX.4.44L0.2003101003490.1651-100000@iolanthe.rowland.org>
Date: Tue, 10 Mar 2020 10:04:04 -0400 (EDT)
From: Alan Stern <stern@...land.harvard.edu>
To: Lubomir Rintel <lkundrak@...sk>
cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
<linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] USB: EHCI: ehci-mv: use a unique bus name
On Mon, 9 Mar 2020, Lubomir Rintel wrote:
> In case there are multiple Marvell EHCI blocks in system, we need a
> different bus name for each one. Otherwise debugfs gets mildly upset about
> a directory name in usb/ehci:
>
> debugfs: Directory 'mv ehci' with parent 'ehci' already present!
>
> Signed-off-by: Lubomir Rintel <lkundrak@...sk>
Acked-by: Alan Stern <stern@...land.harvard.edu>
> ---
> drivers/usb/host/ehci-mv.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/usb/host/ehci-mv.c b/drivers/usb/host/ehci-mv.c
> index ddb668963955f..1300c457d9ed6 100644
> --- a/drivers/usb/host/ehci-mv.c
> +++ b/drivers/usb/host/ehci-mv.c
> @@ -115,7 +115,7 @@ static int mv_ehci_probe(struct platform_device *pdev)
> if (usb_disabled())
> return -ENODEV;
>
> - hcd = usb_create_hcd(&ehci_platform_hc_driver, &pdev->dev, "mv ehci");
> + hcd = usb_create_hcd(&ehci_platform_hc_driver, &pdev->dev, dev_name(&pdev->dev));
> if (!hcd)
> return -ENOMEM;
>
>
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