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authorIngo Molnar <mingo@elte.hu>2008-10-10 19:30:08 +0200
committerIngo Molnar <mingo@elte.hu>2008-10-10 19:30:08 +0200
commit3dd392a407d15250a501fa109cc1f93fee95ef85 (patch)
treec1faca3fa8bd0f7c8790b3e0887229b4a5a90e8b /include/linux/ata.h
parentb27a43c1e90582facad44de67d02bc9e9f900289 (diff)
parentd403a6484f0341bf0624d17ece46f24f741b6a92 (diff)
downloadblackbird-op-linux-3dd392a407d15250a501fa109cc1f93fee95ef85.tar.gz
blackbird-op-linux-3dd392a407d15250a501fa109cc1f93fee95ef85.zip
Merge branch 'linus' into x86/pat2
Conflicts: arch/x86/mm/init_64.c
Diffstat (limited to 'include/linux/ata.h')
-rw-r--r--include/linux/ata.h11
1 files changed, 10 insertions, 1 deletions
diff --git a/include/linux/ata.h b/include/linux/ata.h
index 1ce19c1ef0e9..a26ebd25bac1 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -667,6 +667,15 @@ static inline int ata_id_has_dword_io(const u16 *id)
return 0;
}
+static inline int ata_id_has_unload(const u16 *id)
+{
+ if (ata_id_major_version(id) >= 7 &&
+ (id[ATA_ID_CFSSE] & 0xC000) == 0x4000 &&
+ id[ATA_ID_CFSSE] & (1 << 13))
+ return 1;
+ return 0;
+}
+
static inline int ata_id_current_chs_valid(const u16 *id)
{
/* For ATA-1 devices, if the INITIALIZE DEVICE PARAMETERS command
@@ -745,7 +754,7 @@ static inline int ata_ok(u8 status)
static inline int lba_28_ok(u64 block, u32 n_block)
{
/* check the ending block number */
- return ((block + n_block - 1) < ((u64)1 << 28)) && (n_block <= 256);
+ return ((block + n_block) < ((u64)1 << 28)) && (n_block <= 256);
}
static inline int lba_48_ok(u64 block, u32 n_block)
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