lkml.org 
[lkml]   [2012]   [Mar]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v3 4/7] libata: detech Device Attention support
Hello.

On 28-03-2012 10:21, Lin Ming wrote:

> Add a new flag ATA_DFLAG_DA to indicate that device supports "Device
> Attention".

> Acked-by: Aaron Lu<aaron.lu@amd.com>
> Signed-off-by: Lin Ming<ming.m.lin@intel.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.

MBR, Sergei


\
 
 \ /
  Last update: 2012-03-28 13:25    [from the cache]
©2003-2011 Jasper Spaans