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

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Message-ID: <16EA1F625E922C43B00B9D82250220500871C87B@APYOKXMS108.ap.sony.com>
Date:   Wed, 4 Sep 2019 07:54:57 +0000
From:   <Jacky.Cao@...y.com>
To:     <balbi@...nel.org>
CC:     <gregkh@...uxfoundation.org>, <linux-usb@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <Kento.A.Kobayashi@...y.com>,
        <Jacky.Cao@...y.com>
Subject: RE: [PATCH] USB: dummy-hcd: fix power budget for SuperSpeed mode

Hi

>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
Thank you for your information.
I resend mail with text format, would you kind confirm the patch, thank you.

Best Regards
Jacky

-----Original Message-----
From: Felipe Balbi <balbi@...nel.org> 
Sent: Wednesday, September 4, 2019 3:47 PM
To: Cao, Jacky <Jacky.Cao@...y.com>
Cc: Greg KH <gregkh@...uxfoundation.org>; linux-usb@...r.kernel.org; Kernel development list <linux-kernel@...r.kernel.org>; Kobayashi, Kento (Sony) <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