linux-kernel - Re: [PATCH v3 13/23] ata: libahci: Extend port-cmd flags set with port capabilities

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Message-ID: <7fd1c122-12b2-adff-856f-50ffc5fc6bd1@suse.de>
Date:   Thu, 12 May 2022 08:57:55 +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>
Cc:     Serge Semin <fancer.lancer@...il.com>,
        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 13/23] ata: libahci: Extend port-cmd flags set with
 port capabilities

On 5/12/22 01:18, Serge Semin wrote:
> Currently not all of the Port-specific capabilities listed in the
> PORT_CMD-enumeration. Let's extend that set with the Cold Presence
> Detection and Mechanical Presence Switch attached to the Port flags [1] so
> to closeup the set of the platform-specific port-capabilities flags.  Note
> these flags are supposed to be set by the platform firmware if there is
> one. Alternatively as we are about to do they can be set by means of the
> OF properties.
> 
> While at it replace PORT_IRQ_DEV_ILCK with PORT_IRQ_DEV_MPS and fix the
> comment there. In accordance with [2] that IRQ flag is supposed to
> indicate the state of the signal coming from the Mechanical Presence
> Switch.
> 
> [1] Serial ATA AHCI 1.3.1 Specification, p.27
> [2] Serial ATA AHCI 1.3.1 Specification, p.7
> 
> Signed-off-by: Serge Semin <Sergey.Semin@...kalelectronics.ru>
> ---
>   drivers/ata/ahci.h | 7 ++++++-
>   1 file changed, 6 insertions(+), 1 deletion(-)
> 
You might want to adapt the subject line, as this patch doesn't touch 
libahci at all.
Other than that:

Reviewed-by: Hannes Reinecke <hare@...e.de>

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