linux-kernel - Re: [PATCH] USB: dummy-hcd: fix power budget for SuperSpeed mode

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Message-ID: <CAH8TKc_XBksJHTue18O7jv7h0WjFSqQkJJ8Hc2aRNZaL3aRfVQ@mail.gmail.com>
Date:   Wed, 4 Sep 2019 10:46:37 +0300
From:   Felipe Balbi <balbi@...nel.org>
To:     Jacky.Cao@...y.com
Cc:     Greg KH <gregkh@...uxfoundation.org>,
        "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
        Kernel development list <linux-kernel@...r.kernel.org>,
        Kento.A.Kobayashi@...y.com
Subject: Re: [PATCH] USB: dummy-hcd: fix power budget for SuperSpeed mode

Hi,

On Wed, Sep 4, 2019 at 9:47 AM <Jacky.Cao@...y.com> wrote:
>
> The power budget for SuperSpeed mode should be 900 mA
>
> according to USB3.0 specification, so set the power
>
> budget to 900 mA for dummy_start_ss which is only used
>
> for SuperSpeed mode.
>
>
>
> If the max power consumption of SuperSpeed device is
>
> larger than 500 mA, insufficient available bus power
>
> error happens in usb_choose_configuration function
>
> when the device connects to dummy hcd.
>
>
>
> Signed-off-by: Jacky Cao <Jacky.Cao@...y.com>

You must send plain/text emails. I'm not receiving this via the
mailing list. Please, fix your
email client or use git send-email

-- 
balbi