From: Kristen Carlson Accardi <kristen.c.accardi@xxxxxxxxx>
Use valid values for ICH8 map_db. With the old values, when the controller
was in Native mode, and SCC was 1 (drives configured for IDE), any drive
plugged into a slave port was not recognized. For Combined Mode (and SCC
is still 1), 2 is a value value for MAP.map_value, and needs to be
recognized.
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
drivers/ata/ata_piix.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff -puN drivers/ata/ata_piix.c~libata-use-correct-map_db-values-for-ich8 drivers/ata/ata_piix.c
--- a/drivers/ata/ata_piix.c~libata-use-correct-map_db-values-for-ich8
+++ a/drivers/ata/ata_piix.c
@@ -427,9 +427,9 @@ static const struct piix_map_db ich8_map
.port_enable = 0x3,
.map = {
/* PM PS SM SS MAP */
- { P0, NA, P1, NA }, /* 00b (hardwired) */
+ { P0, P2, P1, P3 }, /* 00b (hardwired when in AHCI) */
{ RV, RV, RV, RV },
- { RV, RV, RV, RV }, /* 10b (never) */
+ { IDE, IDE, NA, NA }, /* 10b (IDE mode) */
{ RV, RV, RV, RV },
},
};
_
-
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