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author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-15 12:39:44 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-15 12:39:44 -0700 |
commit | 22a37bcb7857541eb2d37806c4744ee2530baa98 (patch) | |
tree | 9b3e1a8165908ffa74b2559924ee0f18488667ba /drivers | |
parent | 849c529f57020cc47085400edd5e641d95cd4faf (diff) | |
parent | 82f06e86117680ada35fdb76c8852268d994cd99 (diff) | |
download | op-kernel-dev-22a37bcb7857541eb2d37806c4744ee2530baa98.zip op-kernel-dev-22a37bcb7857541eb2d37806c4744ee2530baa98.tar.gz |
Merge branch 'sbp2-spindown' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6
* 'sbp2-spindown' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6:
ieee1394: sbp2: spin disks down on suspend and shutdown
firewire: fw-sbp2: spin disks down on suspend and shutdown
ieee1394: sbp2: fix spindown for PL-3507 and TSB42AA9 firmwares
firewire: fw-sbp2: fix spindown for PL-3507 and TSB42AA9 firmwares
scsi: sd: optionally set power condition in START STOP UNIT
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/firewire/fw-sbp2.c | 25 | ||||
-rw-r--r-- | drivers/ieee1394/sbp2.c | 22 | ||||
-rw-r--r-- | drivers/ieee1394/sbp2.h | 1 | ||||
-rw-r--r-- | drivers/scsi/sd.c | 5 |
4 files changed, 49 insertions, 4 deletions
diff --git a/drivers/firewire/fw-sbp2.c b/drivers/firewire/fw-sbp2.c index 227d2e0..53fc5a6 100644 --- a/drivers/firewire/fw-sbp2.c +++ b/drivers/firewire/fw-sbp2.c @@ -86,6 +86,11 @@ MODULE_PARM_DESC(exclusive_login, "Exclusive login to sbp2 device " * - delay inquiry * Wait extra SBP2_INQUIRY_DELAY seconds after login before SCSI inquiry. * + * - power condition + * Set the power condition field in the START STOP UNIT commands sent by + * sd_mod on suspend, resume, and shutdown (if manage_start_stop is on). + * Some disks need this to spin down or to resume properly. + * * - override internal blacklist * Instead of adding to the built-in blacklist, use only the workarounds * specified in the module load parameter. @@ -97,6 +102,7 @@ MODULE_PARM_DESC(exclusive_login, "Exclusive login to sbp2 device " #define SBP2_WORKAROUND_FIX_CAPACITY 0x8 #define SBP2_WORKAROUND_DELAY_INQUIRY 0x10 #define SBP2_INQUIRY_DELAY 12 +#define SBP2_WORKAROUND_POWER_CONDITION 0x20 #define SBP2_WORKAROUND_OVERRIDE 0x100 static int sbp2_param_workarounds; @@ -107,6 +113,8 @@ MODULE_PARM_DESC(workarounds, "Work around device bugs (default = 0" ", skip mode page 8 = " __stringify(SBP2_WORKAROUND_MODE_SENSE_8) ", fix capacity = " __stringify(SBP2_WORKAROUND_FIX_CAPACITY) ", delay inquiry = " __stringify(SBP2_WORKAROUND_DELAY_INQUIRY) + ", set power condition in start stop unit = " + __stringify(SBP2_WORKAROUND_POWER_CONDITION) ", override internal blacklist = " __stringify(SBP2_WORKAROUND_OVERRIDE) ", or a combination)"); @@ -310,18 +318,25 @@ static const struct { .firmware_revision = 0x002800, .model = 0x001010, .workarounds = SBP2_WORKAROUND_INQUIRY_36 | - SBP2_WORKAROUND_MODE_SENSE_8, + SBP2_WORKAROUND_MODE_SENSE_8 | + SBP2_WORKAROUND_POWER_CONDITION, }, /* DViCO Momobay FX-3A with TSB42AA9A bridge */ { .firmware_revision = 0x002800, .model = 0x000000, - .workarounds = SBP2_WORKAROUND_DELAY_INQUIRY, + .workarounds = SBP2_WORKAROUND_DELAY_INQUIRY | + SBP2_WORKAROUND_POWER_CONDITION, }, /* Initio bridges, actually only needed for some older ones */ { .firmware_revision = 0x000200, .model = ~0, .workarounds = SBP2_WORKAROUND_INQUIRY_36, }, + /* PL-3507 bridge with Prolific firmware */ { + .firmware_revision = 0x012800, + .model = ~0, + .workarounds = SBP2_WORKAROUND_POWER_CONDITION, + }, /* Symbios bridge */ { .firmware_revision = 0xa0b800, .model = ~0, @@ -1530,6 +1545,9 @@ static int sbp2_scsi_slave_configure(struct scsi_device *sdev) sdev->use_10_for_rw = 1; + if (sbp2_param_exclusive_login) + sdev->manage_start_stop = 1; + if (sdev->type == TYPE_ROM) sdev->use_10_for_ms = 1; @@ -1540,6 +1558,9 @@ static int sbp2_scsi_slave_configure(struct scsi_device *sdev) if (lu->tgt->workarounds & SBP2_WORKAROUND_FIX_CAPACITY) sdev->fix_capacity = 1; + if (lu->tgt->workarounds & SBP2_WORKAROUND_POWER_CONDITION) + sdev->start_stop_pwr_cond = 1; + if (lu->tgt->workarounds & SBP2_WORKAROUND_128K_MAX_TRANS) blk_queue_max_sectors(sdev->request_queue, 128 * 1024 / 512); diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c index a5ceff2..9cbf315 100644 --- a/drivers/ieee1394/sbp2.c +++ b/drivers/ieee1394/sbp2.c @@ -186,6 +186,11 @@ MODULE_PARM_DESC(exclusive_login, "Exclusive login to sbp2 device " * - delay inquiry * Wait extra SBP2_INQUIRY_DELAY seconds after login before SCSI inquiry. * + * - power condition + * Set the power condition field in the START STOP UNIT commands sent by + * sd_mod on suspend, resume, and shutdown (if manage_start_stop is on). + * Some disks need this to spin down or to resume properly. + * * - override internal blacklist * Instead of adding to the built-in blacklist, use only the workarounds * specified in the module load parameter. @@ -199,6 +204,8 @@ MODULE_PARM_DESC(workarounds, "Work around device bugs (default = 0" ", skip mode page 8 = " __stringify(SBP2_WORKAROUND_MODE_SENSE_8) ", fix capacity = " __stringify(SBP2_WORKAROUND_FIX_CAPACITY) ", delay inquiry = " __stringify(SBP2_WORKAROUND_DELAY_INQUIRY) + ", set power condition in start stop unit = " + __stringify(SBP2_WORKAROUND_POWER_CONDITION) ", override internal blacklist = " __stringify(SBP2_WORKAROUND_OVERRIDE) ", or a combination)"); @@ -359,18 +366,25 @@ static const struct { .firmware_revision = 0x002800, .model_id = 0x001010, .workarounds = SBP2_WORKAROUND_INQUIRY_36 | - SBP2_WORKAROUND_MODE_SENSE_8, + SBP2_WORKAROUND_MODE_SENSE_8 | + SBP2_WORKAROUND_POWER_CONDITION, }, /* DViCO Momobay FX-3A with TSB42AA9A bridge */ { .firmware_revision = 0x002800, .model_id = 0x000000, - .workarounds = SBP2_WORKAROUND_DELAY_INQUIRY, + .workarounds = SBP2_WORKAROUND_DELAY_INQUIRY | + SBP2_WORKAROUND_POWER_CONDITION, }, /* Initio bridges, actually only needed for some older ones */ { .firmware_revision = 0x000200, .model_id = SBP2_ROM_VALUE_WILDCARD, .workarounds = SBP2_WORKAROUND_INQUIRY_36, }, + /* PL-3507 bridge with Prolific firmware */ { + .firmware_revision = 0x012800, + .model_id = SBP2_ROM_VALUE_WILDCARD, + .workarounds = SBP2_WORKAROUND_POWER_CONDITION, + }, /* Symbios bridge */ { .firmware_revision = 0xa0b800, .model_id = SBP2_ROM_VALUE_WILDCARD, @@ -1995,6 +2009,8 @@ static int sbp2scsi_slave_configure(struct scsi_device *sdev) sdev->use_10_for_rw = 1; + if (sbp2_exclusive_login) + sdev->manage_start_stop = 1; if (sdev->type == TYPE_ROM) sdev->use_10_for_ms = 1; if (sdev->type == TYPE_DISK && @@ -2002,6 +2018,8 @@ static int sbp2scsi_slave_configure(struct scsi_device *sdev) sdev->skip_ms_page_8 = 1; if (lu->workarounds & SBP2_WORKAROUND_FIX_CAPACITY) sdev->fix_capacity = 1; + if (lu->workarounds & SBP2_WORKAROUND_POWER_CONDITION) + sdev->start_stop_pwr_cond = 1; if (lu->workarounds & SBP2_WORKAROUND_128K_MAX_TRANS) blk_queue_max_sectors(sdev->request_queue, 128 * 1024 / 512); return 0; diff --git a/drivers/ieee1394/sbp2.h b/drivers/ieee1394/sbp2.h index 80d8e09..875428b 100644 --- a/drivers/ieee1394/sbp2.h +++ b/drivers/ieee1394/sbp2.h @@ -345,6 +345,7 @@ enum sbp2lu_state_types { #define SBP2_WORKAROUND_FIX_CAPACITY 0x8 #define SBP2_WORKAROUND_DELAY_INQUIRY 0x10 #define SBP2_INQUIRY_DELAY 12 +#define SBP2_WORKAROUND_POWER_CONDITION 0x20 #define SBP2_WORKAROUND_OVERRIDE 0x100 #endif /* SBP2_H */ diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 01cefbb..d53312c 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -1124,6 +1124,8 @@ sd_spinup_disk(struct scsi_disk *sdkp) cmd[1] = 1; /* Return immediately */ memset((void *) &cmd[2], 0, 8); cmd[4] = 1; /* Start spin cycle */ + if (sdkp->device->start_stop_pwr_cond) + cmd[4] |= 1 << 4; scsi_execute_req(sdkp->device, cmd, DMA_NONE, NULL, 0, &sshdr, SD_TIMEOUT, SD_MAX_RETRIES); @@ -1790,6 +1792,9 @@ static int sd_start_stop_device(struct scsi_disk *sdkp, int start) if (start) cmd[4] |= 1; /* START */ + if (sdp->start_stop_pwr_cond) + cmd[4] |= start ? 1 << 4 : 3 << 4; /* Active or Standby */ + if (!scsi_device_online(sdp)) return -ENODEV; |