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libata: ATA_12/16 doesn't fall into ATAPI_MISC

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SAT passthrus don't really fit into ATAPI_MISC class.  SAT passthru
commands always transfer multiple of 512 bytes and variable length
response is not allowed.  This patch creates a separate category -
ATAPI_PASS_THRU - for these.

This fixes HSM violation on "hdparm -I".

Signed-off-by: Tejun Heo <[email protected]>
Signed-off-by: Jeff Garzik <[email protected]>
This commit is contained in:
Tejun Heo 2008-04-02 17:35:19 +09:00 • committed by Jeff Garzik
commit e52dcc4899
2 changed files with 7 additions and 1 deletions
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5
drivers/ata/libata-core.c
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@ -353,6 +353,11 @@ int atapi_cmd_type(u8 opcode)
case GPCMD_READ_CD_MSF:
return ATAPI_READ_CD;
case ATA_16:
case ATA_12:
if (atapi_passthru16)
return ATAPI_PASS_THRU;
/* fall thru */
default:
return ATAPI_MISC;
}