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authorDavid S. Miller <davem@davemloft.net>2009-08-12 20:44:53 -0400
committerDavid S. Miller <davem@davemloft.net>2009-08-12 20:44:53 -0400
commitaa11d958d1a6572eda08214d7c6a735804fe48a5 (patch)
treed025b05270ad1e010660d17eeadc6ac3c1abbd7d /drivers/firewire/sbp2.c
parent07f6642ee9418e962e54cbc07471cfe2e559c568 (diff)
parent9799218ae36910af50f002a5db1802d576fffb43 (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: arch/microblaze/include/asm/socket.h
Diffstat (limited to 'drivers/firewire/sbp2.c')
-rw-r--r--drivers/firewire/sbp2.c10
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)
201#define SBP2_CYCLE_LIMIT (0xc8 << 12) /* 200 125us cycles */ 201#define SBP2_CYCLE_LIMIT (0xc8 << 12) /* 200 125us cycles */
202 202
203/* 203/*
204 * There is no transport protocol limit to the CDB length, but we implement
205 * a fixed length only. 16 bytes is enough for disks larger than 2 TB.
206 */
207#define SBP2_MAX_CDB_SIZE 16
208
209/*
204 * The default maximum s/g segment size of a FireWire controller is 210 * The default maximum s/g segment size of a FireWire controller is
205 * usually 0x10000, but SBP-2 only allows 0xffff. Since buffers have to 211 * usually 0x10000, but SBP-2 only allows 0xffff. Since buffers have to
206 * be quadlet-aligned, we set the length limit to 0xffff & ~3. 212 * be quadlet-aligned, we set the length limit to 0xffff & ~3.
@@ -312,7 +318,7 @@ struct sbp2_command_orb {
312 struct sbp2_pointer next; 318 struct sbp2_pointer next;
313 struct sbp2_pointer data_descriptor; 319 struct sbp2_pointer data_descriptor;
314 __be32 misc; 320 __be32 misc;
315 u8 command_block[12]; 321 u8 command_block[SBP2_MAX_CDB_SIZE];
316 } request; 322 } request;
317 struct scsi_cmnd *cmd; 323 struct scsi_cmnd *cmd;
318 scsi_done_fn_t done; 324 scsi_done_fn_t done;
@@ -1146,6 +1152,8 @@ static int sbp2_probe(struct device *dev)
1146 if (fw_device_enable_phys_dma(device) < 0) 1152 if (fw_device_enable_phys_dma(device) < 0)
1147 goto fail_shost_put; 1153 goto fail_shost_put;
1148 1154
1155 shost->max_cmd_len = SBP2_MAX_CDB_SIZE;
1156
1149 if (scsi_add_host(shost, &unit->device) < 0) 1157 if (scsi_add_host(shost, &unit->device) < 0)
1150 goto fail_shost_put; 1158 goto fail_shost_put;
1151 1159