linux-kernel - Re: [PATCH v4 5/5] usb: xhci-pci: Add reset controller support

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Message-ID: <1f5863414c56e45398a3660d718da81126af430a.camel@suse.de>
Date:   Mon, 15 Jun 2020 10:56:45 +0200
From:   Nicolas Saenz Julienne <nsaenzjulienne@...e.de>
To:     Marek Vasut <marex@...x.de>, mbrugger@...e.com,
        u-boot@...ts.denx.de, bmeng.cn@...il.com,
        linux-kernel@...r.kernel.org
Cc:     sjg@...omium.org, m.szyprowski@...sung.com, s.nawrocki@...sung.com,
        mark.kettenis@...all.nl
Subject: Re: [PATCH v4 5/5] usb: xhci-pci: Add reset controller support

On Fri, 2020-06-12 at 19:08 +0200, Marek Vasut wrote:
> On 6/12/20 6:46 PM, Nicolas Saenz Julienne wrote:
> > Some atypical users of xhci-pci might need to manually reset their xHCI
> > controller before starting the HCD setup. Check if a reset controller
> > device is available to the PCI bus and trigger a reset.
> > 
> > Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@...e.de>
> > ---
> >  drivers/usb/host/xhci-pci.c | 38 +++++++++++++++++++++++++++++++++++--
> >  1 file changed, 36 insertions(+), 2 deletions(-)
> 
> Can the XHCI core code do the reset management instead ? Then everyone
> benefits from it.

I'll look into it.

> The rest of the series is nice, thanks.

Thanks!

Regards,
Nicolas



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