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

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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@xxxxxxx>
Signed-off-by: Lin Ming<ming.m.lin@xxxxxxxxx>
[...]

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
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