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Date:   Mon, 16 Jan 2017 11:17:22 +0100
From:   Bartosz Golaszewski <bgolaszewski@...libre.com>
To:     Tejun Heo <tj@...nel.org>
Cc:     Kevin Hilman <khilman@...nel.org>, Sekhar Nori <nsekhar@...com>,
        Patrick Titiano <ptitiano@...libre.com>,
        Michael Turquette <mturquette@...libre.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Russell King <linux@...linux.org.uk>,
        David Lechner <david@...hnology.com>,
        linux-ide@...r.kernel.org,
        linux-devicetree <devicetree@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        arm-soc <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 06/10] sata: ahci_da850: implement a softreset quirk

2017-01-16 0:12 GMT+01:00 Tejun Heo <tj@...nel.org>:
> On Fri, Jan 13, 2017 at 01:38:00PM +0100, Bartosz Golaszewski wrote:
>> +static int ahci_da850_softreset(struct ata_link *link,
>> +                             unsigned int *class, unsigned long deadline)
>> +{
>> +     int pmp, ret;
>> +
>> +     pmp = sata_srst_pmp(link);
>> +
>> +     ret = ahci_do_softreset(link, class, pmp, deadline, ahci_check_ready);
>> +     if (pmp && ret == -EBUSY)
>> +             return ahci_do_softreset(link, class, 0,
>> +                                      deadline, ahci_check_ready);
>> +
>> +     return ret;
>> +}
>
> Please add some comments explaining what's going on.

Sure, I'll add some explanation in v2.

Thanks,
Bartosz Golaszewski

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