linux-kernel - Re: [PATCH] fsl-usb: add need_oc_pp

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Message-ID: <20210507173659.GA784066@rowland.harvard.edu>
Date:   Fri, 7 May 2021 13:36:59 -0400
From:   Alan Stern <stern@...land.harvard.edu>
To:     Daniel Walker <danielwa@...co.com>
Cc:     HEMANT RAMDASI <hramdasi@...co.com>,
        Christian Engelmayer <christian.engelmayer@...quentis.com>,
        Gopalakrishnan Santhanam <gsanthan@...co.com>,
        xe-linux-external@...co.com,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] fsl-usb: add need_oc_pp_cycle flag for 85xx also

On Fri, May 07, 2021 at 10:23:00AM -0700, Daniel Walker wrote:
> From: Gopalakrishnan Santhanam <gsanthan@...co.com>
> 
> Commit e6604a7fd71f9 ("EHCI: Quirk flag for port power handling on overcurrent.")
> activated the quirks handling (flag need_oc_pp_cycle) for Freescale 83xx
> based boards.
> Activate same for 85xx based boards as well.
> 
> Cc: xe-linux-external@...co.com
> Signed-off-by: Gopalakrishnan Santhanam <gsanthan@...co.com>
> Signed-off-by: Daniel Walker <danielwa@...co.com>
> ---
>  drivers/usb/host/ehci-fsl.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c
> index 6f7bd6641694..c7d74c1a23f5 100644
> --- a/drivers/usb/host/ehci-fsl.c
> +++ b/drivers/usb/host/ehci-fsl.c
> @@ -387,7 +387,7 @@ static int ehci_fsl_setup(struct usb_hcd *hcd)
>  	/* EHCI registers start at offset 0x100 */
>  	ehci->caps = hcd->regs + 0x100;
>  
> -#ifdef CONFIG_PPC_83xx
> +#if defined(CONFIG_PPC_83xx) || defined(CONFIG_PPC_85xx)
>  	/*
>  	 * Deal with MPC834X that need port power to be cycled after the power
-------------------------^

Shouldn't this comment be changed as well?

Alan Stern

>  	 * fault condition is removed. Otherwise the state machine does not
> -- 
> 2.25.1
>