linux-kernel - Re: [PATCH v3 21/23] ata: ahci-dwc: Add platform-specific quirks support

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Message-ID: <f89f34e6-eb04-4ed4-0323-292c2e332948@suse.de>
Date:   Thu, 12 May 2022 09:12:46 +0200
From:   Hannes Reinecke <hare@...e.de>
To:     Serge Semin <Sergey.Semin@...kalelectronics.ru>,
        Damien Le Moal <damien.lemoal@...nsource.wdc.com>,
        Hans de Goede <hdegoede@...hat.com>,
        Jens Axboe <axboe@...nel.dk>,
        Serge Semin <fancer.lancer@...il.com>
Cc:     Alexey Malahov <Alexey.Malahov@...kalelectronics.ru>,
        Pavel Parkhomenko <Pavel.Parkhomenko@...kalelectronics.ru>,
        Rob Herring <robh+dt@...nel.org>, linux-ide@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH v3 21/23] ata: ahci-dwc: Add platform-specific quirks
 support

On 5/12/22 01:18, Serge Semin wrote:
> Some DWC AHCI SATA IP-core derivatives require to perform small platform
> or IP-core specific setups. They are too small to be placed in a dedicated
> driver. It's just much easier to have a set of quirks for them right in
> the DWC AHCI driver code. Since we are about to add such platform support,
> as a pre-requisite we introduce a platform-data based DWC AHCI quirks API.
> The platform data can be used to define the flags passed to the
> ahci_platform_get_resources() method, additional AHCI host-flags and a set
> of callbacks to initialize, re-initialize and clear the platform settings.
> 
> Signed-off-by: Serge Semin <Sergey.Semin@...kalelectronics.ru>
> 
> ---
> 
> Changelog v2:
> - Change the local objects prefix from 'dwc_ahci_' to 'ahci_dwc_'.
>    (@Damien)
> ---
>   drivers/ata/ahci_dwc.c | 52 ++++++++++++++++++++++++++++++++++++++----
>   1 file changed, 48 insertions(+), 4 deletions(-)
> 
This really could be merged with patch 19; as you're adding a new driver 
you might as well fold this patch in to avoid further modifications.

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		           Kernel Storage Architect
hare@...e.de			                  +49 911 74053 688
SUSE Software Solutions Germany GmbH, Maxfeldstr. 5, 90409 Nürnberg
HRB 36809 (AG Nürnberg), GF: Felix Imendörffer