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| author |   Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-01-25 22:17:17 +0100 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-01-25 22:17:17 +0100 |
| commit | a501633c7d44087e806597d3a213d735346edd51 (patch) | |
| tree | b82d583f6e29beae7943860b01a0303985d197ea | |
| parent | ide: printk fix (diff) | |
| download | linux-dev-a501633c7d44087e806597d3a213d735346edd51.tar.xz linux-dev-a501633c7d44087e806597d3a213d735346edd51.zip | |
ide-disk: use ide_get_lba_addr()
* Export ide_get_lba_addr().
* Convert idedisk_{read_native,set}_max_address() to use ide_get_lba_addr().
* Remove incorrect comment from idedisk_read_native_max_address()
(noticed by Sergei).
There should be no functionality changes caused by this patch.
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
| -rw-r--r-- | drivers/ide/ide-disk.c | 26 | ||||
| -rw-r--r-- | drivers/ide/ide-lib.c | 3 | ||||
| -rw-r--r-- | include/linux/ide.h | 1 |
3 files changed, 7 insertions, 23 deletions
diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 3d7127ba67a0..d8fdd865dea9 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -326,18 +326,9 @@ static u64 idedisk_read_native_max_address(ide_drive_t *drive, int lba48) ide_no_data_taskfile(drive, &args); /* if OK, compute maximum address value */ - if ((tf->status & 0x01) == 0) { - u32 high, low; + if ((tf->status & 0x01) == 0) + addr = ide_get_lba_addr(tf, lba48) + 1; - if (lba48) - high = (tf->hob_lbah << 16) | (tf->hob_lbam << 8) | - tf->hob_lbal; - else - high = tf->device & 0xf; - low = (tf->lbah << 16) | (tf->lbam << 8) | tf->lbal; - addr = ((__u64)high << 24) | low; - addr++; /* since the return value is (maxlba - 1), we add 1 */ - } return addr; } @@ -373,18 +364,9 @@ static u64 idedisk_set_max_address(ide_drive_t *drive, u64 addr_req, int lba48) /* submit command request */ ide_no_data_taskfile(drive, &args); /* if OK, compute maximum address value */ - if ((tf->status & 0x01) == 0) { - u32 high, low; + if ((tf->status & 0x01) == 0) + addr_set = ide_get_lba_addr(tf, lba48) + 1; - if (lba48) - high = (tf->hob_lbah << 16) | (tf->hob_lbam << 8) | - tf->hob_lbal; - else - high = tf->device & 0xf; - low = (tf->lbah << 16) | (tf->lbam << 8) | tf->lbal; - addr_set = ((__u64)high << 24) | low; - addr_set++; - } return addr_set; } diff --git a/drivers/ide/ide-lib.c b/drivers/ide/ide-lib.c index d7503c489e99..6b2e810cb9e0 100644 --- a/drivers/ide/ide-lib.c +++ b/drivers/ide/ide-lib.c @@ -479,7 +479,7 @@ static void ide_dump_opcode(ide_drive_t *drive) printk("0x%02x\n", opcode); } -static u64 ide_get_lba_addr(struct ide_taskfile *tf, int lba48) +u64 ide_get_lba_addr(struct ide_taskfile *tf, int lba48) { u32 high, low; @@ -492,6 +492,7 @@ static u64 ide_get_lba_addr(struct ide_taskfile *tf, int lba48) return ((u64)high << 24) | low; } +EXPORT_SYMBOL_GPL(ide_get_lba_addr); static void ide_dump_sector(ide_drive_t *drive) { diff --git a/include/linux/ide.h b/include/linux/ide.h index 67f98c096c03..ecaa96e613dc 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -1238,6 +1238,7 @@ static inline int ide_dev_is_sata(struct hd_driveid *id) return 0; } +u64 ide_get_lba_addr(struct ide_taskfile *, int); u8 ide_dump_status(ide_drive_t *, const char *, u8); typedef struct ide_pio_timings_s { |