linux-kernel - Re: [PATCH v2 1/2 RESEND] usb: core: phy: add support for PHY calibration

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Message-ID: <e801e7a4-f525-baae-4c02-d271db308b5f@samsung.com>
Date:   Thu, 29 Aug 2019 07:26:50 +0200
From:   Marek Szyprowski <m.szyprowski@...sung.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-usb@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Mathias Nyman <mathias.nyman@...el.com>,
        Felipe Balbi <balbi@...nel.org>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Jochen Sprickerhof <jochen@...ickerhof.de>,
        Anand Moon <linux.amoon@...il.com>
Subject: Re: [PATCH v2 1/2 RESEND] usb: core: phy: add support for PHY
 calibration

Hi Greg,

On 2019-08-28 22:41, Greg Kroah-Hartman wrote:
> On Mon, Aug 26, 2019 at 10:55:33AM +0200, Marek Szyprowski wrote:
>> Hi Greg
>>
>> On 2019-08-08 11:41, Marek Szyprowski wrote:
>>> Some PHYs (for example Exynos5 USB3.0 DRD PHY) require calibration to be
>>> done after every USB HCD reset. Generic PHY framework has been already
>>> extended with phy_calibrate() function in commit 36914111e682 ("drivers:
>>> phy: add calibrate method"). This patch adds support for it to generic
>>> PHY handling code in USB HCD core.
>>>
>>> Signed-off-by: Marek Szyprowski <m.szyprowski@...sung.com>
>>> Tested-by: Anand Moon <linux.amoon@...il.com>
>>> Tested-by: Jochen Sprickerhof <jochen@...ickerhof.de>
>> Greg: any chance to give it this a try in -next? If not, maybe You can
>> point someone whose review will help?
> Ah crap, this is me, not the PHY maintainer :(
>
> Can you resend this and I will be glad to review it.  But it would also
> be good to get Felipe's review as well.

No problem, I will resend it again in a few minutes. Felipe already 
acked it: https://lkml.org/lkml/2019/8/8/460

Best regards
-- 
Marek Szyprowski, PhD
Samsung R&D Institute Poland