linux-kernel - Re: [PATCH v2 4/6] net: ethernet: bgmac: convert to feature flags

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Message-ID: <CAC3K-4rZGOeH8nw5jBFaJXKh3SDfv7qPicS7fby0u-f=Q7DigQ@mail.gmail.com>
Date:   Tue, 20 Sep 2016 09:59:24 -0400
From:   Jon Mason <jon.mason@...adcom.com>
To:     Rafał Miłecki <zajec5@...il.com>
Cc:     David Miller <davem@...emloft.net>,
        Florian Fainelli <f.fainelli@...il.com>,
        Hauke Mehrtens <hauke@...ke-m.de>,
        Rob Herring <robh+dt@...nel.org>,
        Pawel Moll <pawel.moll@....com>,
        Mark Rutland <mark.rutland@....com>,
        Ian Campbell <ijc+devicetree@...lion.org.uk>,
        Kumar Gala <galak@...eaurora.org>, Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>,
        bcm-kernel-feedback-list <bcm-kernel-feedback-list@...adcom.com>,
        Network Development <netdev@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v2 4/6] net: ethernet: bgmac: convert to feature flags

On Tue, Sep 20, 2016 at 1:19 AM, Rafał Miłecki <zajec5@...il.com> wrote:
> On 17 August 2016 at 13:34, Rafał Miłecki <zajec5@...il.com> wrote:
>> On 8 July 2016 at 01:08, Jon Mason <jon.mason@...adcom.com> wrote:
>>>         mode = (bgmac_read(bgmac, BGMAC_DEV_STATUS) & BGMAC_DS_MM_MASK) >>
>>>                 BGMAC_DS_MM_SHIFT;
>>> -       if (ci->id != BCMA_CHIP_ID_BCM47162 || mode != 0)
>>> +       if (bgmac->feature_flags & BGMAC_FEAT_CLKCTLST || mode != 0)
>>>                 bgmac_set(bgmac, BCMA_CLKCTLST, BCMA_CLKCTLST_FORCEHT);
>>> -       if (ci->id == BCMA_CHIP_ID_BCM47162 && mode == 2)
>>> +       if (bgmac->feature_flags & BGMAC_FEAT_CLKCTLST && mode == 2)
>>>                 bcma_chipco_chipctl_maskset(&bgmac->core->bus->drv_cc, 1, ~0,
>>>                                             BGMAC_CHIPCTL_1_RXC_DLL_BYPASS);
>>
>> Jon, it looks to me you translated two following conditions:
>> ci->id != BCMA_CHIP_ID_BCM47162
>> and
>> ci->id == BCMA_CHIP_ID_BCM47162
>> into the same flag check:
>> bgmac->feature_flags & BGMAC_FEAT_CLKCTLST
>>
>> I don't think it's intentional, is it? Do you have a moment to fix this?
>
> Ping

Sorry, just seeing this now.  I'll double check the original code and
verify it (or fix it).

Thanks,
Jon

>
> --
> Rafał