Re: [PATCH 06/10] sata: ahci_da850: implement a softreset quirk

[Tejun Heo]

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.

Thanks.

-- 
tejun