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author | Ingo Molnar <mingo@elte.hu> | 2009-03-26 18:49:48 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-03-26 18:49:48 +0100 |
commit | 18ffa418aead13c56515ac74cd26105102128aca (patch) | |
tree | 2096ea8db3b2594bd25ad39a70edc691219f669b /include/linux/ata.h | |
parent | ab76f3d771590d5c89faa3219559c5d3fc0ce0c2 (diff) | |
parent | 8e0ee43bc2c3e19db56a4adaa9a9b04ce885cd84 (diff) | |
download | op-kernel-dev-18ffa418aead13c56515ac74cd26105102128aca.zip op-kernel-dev-18ffa418aead13c56515ac74cd26105102128aca.tar.gz |
Merge commit 'v2.6.29' into x86/setup-lzma
Diffstat (limited to 'include/linux/ata.h')
-rw-r--r-- | include/linux/ata.h | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/include/linux/ata.h b/include/linux/ata.h index a53318b..9a061ac 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -89,6 +89,8 @@ enum { ATA_ID_DLF = 128, ATA_ID_CSFO = 129, ATA_ID_CFA_POWER = 160, + ATA_ID_CFA_KEY_MGMT = 162, + ATA_ID_CFA_MODES = 163, ATA_ID_ROT_SPEED = 217, ATA_ID_PIO4 = (1 << 1), @@ -731,12 +733,17 @@ static inline int ata_id_current_chs_valid(const u16 *id) static inline int ata_id_is_cfa(const u16 *id) { - if (id[ATA_ID_CONFIG] == 0x848A) /* Standard CF */ + if (id[ATA_ID_CONFIG] == 0x848A) /* Traditional CF */ return 1; - /* Could be CF hiding as standard ATA */ - if (ata_id_major_version(id) >= 3 && - id[ATA_ID_COMMAND_SET_1] != 0xFFFF && - (id[ATA_ID_COMMAND_SET_1] & (1 << 2))) + /* + * CF specs don't require specific value in the word 0 anymore and yet + * they forbid to report the ATA version in the word 80 and require the + * CFA feature set support to be indicated in the word 83 in this case. + * Unfortunately, some cards only follow either of this requirements, + * and while those that don't indicate CFA feature support need some + * sort of quirk list, it seems impractical for the ones that do... + */ + if ((id[ATA_ID_COMMAND_SET_2] & 0xC004) == 0x4004) return 1; return 0; } |