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| author | H. Peter Anvin <hpa@zytor.com> | 2009-08-27 04:17:51 +0400 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2009-08-27 04:24:28 +0400 |
| commit | b855192c08fcb14adbc5d3a7cab182022d433cca (patch) | |
| tree | 3a10cafbfbf98cafacf667eb218c71300b351bfa /drivers/firewire/sbp2.c | |
| parent | d886c73cd4cf02a71e1650cbcb6176799d78aac1 (diff) | |
| parent | 3e0e1e9c5a327d4dba8490d83ef55c0564e6e8a7 (diff) | |
| download | linux-b855192c08fcb14adbc5d3a7cab182022d433cca.tar.xz | |
Merge branch 'x86/urgent' into x86/pat
Reason: Change to is_new_memtype_allowed() in x86/urgent
Resolved semantic conflicts in:
arch/x86/mm/pat.c
arch/x86/mm/ioremap.c
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'drivers/firewire/sbp2.c')
| -rw-r--r-- | drivers/firewire/sbp2.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/firewire/sbp2.c b/drivers/firewire/sbp2.c index 24c45635376a..8d51568ee143 100644 --- a/drivers/firewire/sbp2.c +++ b/drivers/firewire/sbp2.c @@ -201,6 +201,12 @@ static struct fw_device *target_device(struct sbp2_target *tgt) #define SBP2_CYCLE_LIMIT (0xc8 << 12) /* 200 125us cycles */ /* + * There is no transport protocol limit to the CDB length, but we implement + * a fixed length only. 16 bytes is enough for disks larger than 2 TB. + */ +#define SBP2_MAX_CDB_SIZE 16 + +/* * The default maximum s/g segment size of a FireWire controller is * usually 0x10000, but SBP-2 only allows 0xffff. Since buffers have to * be quadlet-aligned, we set the length limit to 0xffff & ~3. @@ -312,7 +318,7 @@ struct sbp2_command_orb { struct sbp2_pointer next; struct sbp2_pointer data_descriptor; __be32 misc; - u8 command_block[12]; + u8 command_block[SBP2_MAX_CDB_SIZE]; } request; struct scsi_cmnd *cmd; scsi_done_fn_t done; @@ -1146,6 +1152,8 @@ static int sbp2_probe(struct device *dev) if (fw_device_enable_phys_dma(device) < 0) goto fail_shost_put; + shost->max_cmd_len = SBP2_MAX_CDB_SIZE; + if (scsi_add_host(shost, &unit->device) < 0) goto fail_shost_put; |