linux-kernel - Re: [PATCH v3 4/7] libata: detech Device Attention support

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Message-ID: <CAF1ivSZdFpd1v15Q+fVkiGZSp_oGT-rLj0K_5AxfC7yADed=hA@mail.gmail.com>
Date:	Thu, 29 Mar 2012 19:18:19 +0800
From:	Lin Ming <ming.m.lin@...el.com>
To:	Sergei Shtylyov <sshtylyov@...sta.com>
Cc:	Zhang Rui <rui.zhang@...el.com>, Jeff Garzik <jgarzik@...ox.com>,
	Alan Stern <stern@...land.harvard.edu>,
	"Rafael J. Wysocki" <rjw@...k.pl>, Tejun Heo <tj@...nel.org>,
	Aaron Lu <aaron.lu@....com>, linux-kernel@...r.kernel.org,
	linux-ide@...r.kernel.org, linux-scsi@...r.kernel.org,
	linux-pm@...r.kernel.org, linux-acpi <linux-acpi@...r.kernel.org>
Subject: Re: [PATCH v3 4/7] libata: detech Device Attention support

On Thu, Mar 29, 2012 at 7:14 PM, Sergei Shtylyov <sshtylyov@...sta.com> wrote:
> Hello.
>
>
> On 29-03-2012 9:06, Lin Ming wrote:
>
>>>> Add a new flag ATA_DFLAG_DA to indicate that device supports "Device
>>>> Attention".
>
>
>>>> Acked-by: Aaron Lu<aaron.lu@....com>
>>>> Signed-off-by: Lin Ming<ming.m.lin@...el.com>
>>>
>>> [...]
>
>
>>>> diff --git a/include/linux/ata.h b/include/linux/ata.h
>>>> index 32df2b6..6ee41cc 100644
>>>> --- a/include/linux/ata.h
>>>> +++ b/include/linux/ata.h
>>>> @@ -578,6 +578,7 @@ static inline int ata_is_data(u8 prot)
>>>>          ((u64) (id)[(n) + 0]) )
>>>>
>>>>   #define ata_id_cdb_intr(id)  (((id)[ATA_ID_CONFIG]&   0x60) == 0x20)
>>>> +#define atapi_id_has_da(id)    ((id)[77]&   (1<<   4))
>
>
>>>     We prefix these macros with 'ata_' despite them being applied to
>>> IDENTIFY
>>> DEVICE data or IDENTIFY PAKCET DEVICE data. ata_id_cdb_intr(), for
>>> example,
>>> applies only to IDENTIFY PAKCET DEVICE data.
>
>
>> OK, will change it.
>
>
>   Also, what does the word "detech" mean in the subject?

Typo! It should be "detect"

>
>
> MBR, Sergei
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