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ata: add/use ata_taskfile::{error|status} fields

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Add the explicit error and status register fields to 'struct ata_taskfile'
using the anonymous *union*s ('struct ide_taskfile' had that for ages!) and
update the libata taskfile code accordingly. There should be no object code
changes resulting from that...

Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
This commit is contained in:
Sergey Shtylyov
2022-02-15 21:49:26 +03:00
committed by Damien Le Moal
parent f7220eac75
commit efcef265fd
21 changed files with 90 additions and 84 deletions
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10
include/linux/libata.h
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@@ -518,7 +518,10 @@ struct ata_taskfile {
u8 hob_lbam;
u8 hob_lbah;
u8 feature;
union {
u8 error;
u8 feature;
};
u8 nsect;
u8 lbal;
u8 lbam;
@@ -526,7 +529,10 @@ struct ata_taskfile {
u8 device;
u8 command; /* IO operation */
union {
u8 status;
u8 command;
};
u32 auxiliary; /* auxiliary field */
/* from SATA 3.1 and */