diff options
32 files changed, 133 insertions, 40 deletions
diff --git a/Documentation/scsi/scsi_mid_low_api.txt b/Documentation/scsi/scsi_mid_low_api.txt index 62f7f76f5de..5a066afcc67 100644 --- a/Documentation/scsi/scsi_mid_low_api.txt +++ b/Documentation/scsi/scsi_mid_low_api.txt @@ -954,8 +954,7 @@ Details: * * Returns SUCCESS if command aborted else FAILED * - * Locks: struct Scsi_Host::host_lock held (with irqsave) on entry - * and assumed to be held on return. + * Locks: None held * * Calling context: kernel thread * diff --git a/drivers/fc4/fc.c b/drivers/fc4/fc.c index d9e11b53665..cdea598d0c1 100644 --- a/drivers/fc4/fc.c +++ b/drivers/fc4/fc.c @@ -983,7 +983,10 @@ int fcp_scsi_dev_reset(Scsi_Cmnd *SCpnt) fc->rst_pkt->request->rq_status = RQ_SCSI_BUSY; fc->rst_pkt->done = fcp_scsi_reset_done; + + spin_lock_irqsave(SCpnt->device->host->host_lock, flags); fcp_scsi_queue_it(fc, fc->rst_pkt, fcmd, 0); + spin_unlock_irqrestore(SCpnt->device->host->host_lock, flags); down(&sem); diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c index 82cd9bc3b02..efae9be4537 100644 --- a/drivers/message/fusion/mptscsih.c +++ b/drivers/message/fusion/mptscsih.c @@ -1865,7 +1865,6 @@ mptscsih_bus_reset(struct scsi_cmnd * SCpnt) hd->timeouts++; /* We are now ready to execute the task management request. */ - spin_unlock_irq(host_lock); if (mptscsih_TMHandler(hd, MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS, SCpnt->device->channel, 0, 0, 0, 5 /* 5 second timeout */) < 0){ @@ -1881,7 +1880,7 @@ mptscsih_bus_reset(struct scsi_cmnd * SCpnt) spin_lock_irq(host_lock); return FAILED; } - spin_lock_irq(host_lock); + return SUCCESS; } diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c index be7c91d4ae8..ac5a5da434b 100644 --- a/drivers/s390/scsi/zfcp_scsi.c +++ b/drivers/s390/scsi/zfcp_scsi.c @@ -731,8 +731,6 @@ zfcp_scsi_eh_bus_reset_handler(struct scsi_cmnd *scpnt) struct zfcp_unit *unit; struct Scsi_Host *scsi_host = scpnt->device->host; - spin_unlock_irq(scsi_host->host_lock); - unit = (struct zfcp_unit *) scpnt->device->hostdata; ZFCP_LOG_NORMAL("bus reset because of problems with " "unit 0x%016Lx\n", unit->fcp_lun); @@ -740,7 +738,6 @@ zfcp_scsi_eh_bus_reset_handler(struct scsi_cmnd *scpnt) zfcp_erp_wait(unit->port->adapter); retval = SUCCESS; - spin_lock_irq(scsi_host->host_lock); return retval; } diff --git a/drivers/scsi/53c700.c b/drivers/scsi/53c700.c index 8c64212e960..47cf9bd55d9 100644 --- a/drivers/scsi/53c700.c +++ b/drivers/scsi/53c700.c @@ -1957,23 +1957,30 @@ NCR_700_bus_reset(struct scsi_cmnd * SCp) printk(KERN_INFO "scsi%d (%d:%d) New error handler wants BUS reset, cmd %p\n\t", SCp->device->host->host_no, SCp->device->id, SCp->device->lun, SCp); scsi_print_command(SCp); + /* In theory, eh_complete should always be null because the * eh is single threaded, but just in case we're handling a * reset via sg or something */ - while(hostdata->eh_complete != NULL) { + spin_lock_irq(SCp->device->host->host_lock); + while (hostdata->eh_complete != NULL) { spin_unlock_irq(SCp->device->host->host_lock); msleep_interruptible(100); spin_lock_irq(SCp->device->host->host_lock); } + hostdata->eh_complete = &complete; NCR_700_internal_bus_reset(SCp->device->host); + spin_unlock_irq(SCp->device->host->host_lock); wait_for_completion(&complete); spin_lock_irq(SCp->device->host->host_lock); + hostdata->eh_complete = NULL; /* Revalidate the transport parameters of the failing device */ if(hostdata->fast) spi_schedule_dv_device(SCp->device); + + spin_unlock_irq(SCp->device->host->host_lock); return SUCCESS; } diff --git a/drivers/scsi/NCR5380.c b/drivers/scsi/NCR5380.c index 7ae19d4181b..f8ec6fe7d85 100644 --- a/drivers/scsi/NCR5380.c +++ b/drivers/scsi/NCR5380.c @@ -2825,11 +2825,17 @@ static int NCR5380_abort(Scsi_Cmnd * cmd) { * Locks: host lock taken by caller */ -static int NCR5380_bus_reset(Scsi_Cmnd * cmd) { +static int NCR5380_bus_reset(Scsi_Cmnd * cmd) +{ + struct Scsi_Host *instance = cmd->device->host; + NCR5380_local_declare(); - NCR5380_setup(cmd->device->host); + NCR5380_setup(instance); + NCR5380_print_status(instance); + + spin_lock_irq(instance->host_lock); + do_reset(instance); + spin_unlock_irq(instance->host_lock); - NCR5380_print_status(cmd->device->host); - do_reset(cmd->device->host); return SUCCESS; } diff --git a/drivers/scsi/NCR53C9x.c b/drivers/scsi/NCR53C9x.c index 064781a2cb1..6ceabbd42a3 100644 --- a/drivers/scsi/NCR53C9x.c +++ b/drivers/scsi/NCR53C9x.c @@ -1467,14 +1467,12 @@ int esp_reset(Scsi_Cmnd *SCptr) { struct NCR_ESP *esp = (struct NCR_ESP *) SCptr->device->host->hostdata; + spin_lock_irq(esp->ehost->host_lock); (void) esp_do_resetbus(esp, esp->eregs); - spin_unlock_irq(esp->ehost->host_lock); wait_event(esp->reset_queue, (esp->resetting_bus == 0)); - spin_lock_irq(esp->ehost->host_lock); - return SUCCESS; } diff --git a/drivers/scsi/a2091.c b/drivers/scsi/a2091.c index 9928a2fbce0..ce3c37610c5 100644 --- a/drivers/scsi/a2091.c +++ b/drivers/scsi/a2091.c @@ -221,7 +221,11 @@ int __init a2091_detect(Scsi_Host_Template *tpnt) static int a2091_bus_reset(Scsi_Cmnd *cmd) { /* FIXME perform bus-specific reset */ + + spin_lock_irq(cmd->device->host->host_lock); wd33c93_host_reset(cmd); + spin_unlock_irq(cmd->device->host->host_lock); + return SUCCESS; } diff --git a/drivers/scsi/a3000.c b/drivers/scsi/a3000.c index f8a89ec2504..92698f33559 100644 --- a/drivers/scsi/a3000.c +++ b/drivers/scsi/a3000.c @@ -208,7 +208,11 @@ fail_register: static int a3000_bus_reset(Scsi_Cmnd *cmd) { /* FIXME perform bus-specific reset */ + + spin_lock_irq(cmd->device->host->host_lock); wd33c93_host_reset(cmd); + spin_unlock_irq(cmd->device->host->host_lock); + return SUCCESS; } diff --git a/drivers/scsi/aha1542.c b/drivers/scsi/aha1542.c index eb8bc6822cc..f911b51e304 100644 --- a/drivers/scsi/aha1542.c +++ b/drivers/scsi/aha1542.c @@ -1464,8 +1464,8 @@ static int aha1542_bus_reset(Scsi_Cmnd * SCpnt) * check for timeout, and if we are doing something like this * we are pretty desperate anyways. */ - spin_unlock_irq(SCpnt->device->host->host_lock); ssleep(4); + spin_lock_irq(SCpnt->device->host->host_lock); WAIT(STATUS(SCpnt->device->host->io_port), @@ -1503,9 +1503,11 @@ static int aha1542_bus_reset(Scsi_Cmnd * SCpnt) } } + spin_unlock_irq(SCpnt->device->host->host_lock); return SUCCESS; fail: + spin_unlock_irq(SCpnt->device->host->host_lock); return FAILED; } diff --git a/drivers/scsi/aic7xxx/aic79xx_osm.c b/drivers/scsi/aic7xxx/aic79xx_osm.c index 31db0edc7cf..53b7b2c15f8 100644 --- a/drivers/scsi/aic7xxx/aic79xx_osm.c +++ b/drivers/scsi/aic7xxx/aic79xx_osm.c @@ -1591,11 +1591,11 @@ ahd_linux_bus_reset(Scsi_Cmnd *cmd) printf("%s: Bus reset called for cmd %p\n", ahd_name(ahd), cmd); #endif - ahd_midlayer_entrypoint_lock(ahd, &s); + ahd_lock(ahd, &s); found = ahd_reset_channel(ahd, cmd->device->channel + 'A', /*initiate reset*/TRUE); ahd_linux_run_complete_queue(ahd); - ahd_midlayer_entrypoint_unlock(ahd, &s); + ahd_unlock(ahd, &s); if (bootverbose) printf("%s: SCSI bus reset delivered. " diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.c b/drivers/scsi/aic7xxx/aic7xxx_osm.c index 89f073a3b76..b89094db14c 100644 --- a/drivers/scsi/aic7xxx/aic7xxx_osm.c +++ b/drivers/scsi/aic7xxx/aic7xxx_osm.c @@ -829,10 +829,14 @@ ahc_linux_bus_reset(struct scsi_cmnd *cmd) { struct ahc_softc *ahc; int found; + unsigned long flags; ahc = *(struct ahc_softc **)cmd->device->host->hostdata; + + ahc_lock(ahc, &flags); found = ahc_reset_channel(ahc, cmd->device->channel + 'A', /*initiate reset*/TRUE); + ahc_unlock(ahc, &flags); if (bootverbose) printf("%s: SCSI bus reset delivered. " diff --git a/drivers/scsi/dc395x.c b/drivers/scsi/dc395x.c index cca41cf8d3e..ae13c002f60 100644 --- a/drivers/scsi/dc395x.c +++ b/drivers/scsi/dc395x.c @@ -1310,7 +1310,7 @@ static void reset_dev_param(struct AdapterCtlBlk *acb) * @cmd - some command for this host (for fetching hooks) * Returns: SUCCESS (0x2002) on success, else FAILED (0x2003). */ -static int dc395x_eh_bus_reset(struct scsi_cmnd *cmd) +static int __dc395x_eh_bus_reset(struct scsi_cmnd *cmd) { struct AdapterCtlBlk *acb = (struct AdapterCtlBlk *)cmd->device->host->hostdata; @@ -1356,6 +1356,16 @@ static int dc395x_eh_bus_reset(struct scsi_cmnd *cmd) return SUCCESS; } +static int dc395x_eh_bus_reset(struct scsi_cmnd *cmd) +{ + int rc; + + spin_lock_irq(cmd->device->host->host_lock); + rc = __dc395x_eh_bus_reset(cmd); + spin_unlock_irq(cmd->device->host->host_lock); + + return rc; +} /* * abort an errant SCSI command diff --git a/drivers/scsi/fd_mcs.c b/drivers/scsi/fd_mcs.c index 4a358aec2e5..fa652f8aa64 100644 --- a/drivers/scsi/fd_mcs.c +++ b/drivers/scsi/fd_mcs.c @@ -1243,6 +1243,7 @@ static int fd_mcs_abort(Scsi_Cmnd * SCpnt) static int fd_mcs_bus_reset(Scsi_Cmnd * SCpnt) { struct Scsi_Host *shpnt = SCpnt->device->host; + unsigned long flags; #if DEBUG_RESET static int called_once = 0; @@ -1259,6 +1260,8 @@ static int fd_mcs_bus_reset(Scsi_Cmnd * SCpnt) { called_once = 1; #endif + spin_lock_irqsave(shpnt->host_lock, flags); + outb(1, SCSI_Cntl_port); do_pause(2); outb(0, SCSI_Cntl_port); @@ -1266,6 +1269,8 @@ static int fd_mcs_bus_reset(Scsi_Cmnd * SCpnt) { outb(0, SCSI_Mode_Cntl_port); outb(PARITY_MASK, TMC_Cntl_port); + spin_unlock_irqrestore(shpnt->host_lock, flags); + /* Unless this is the very first call (i.e., SCPnt == NULL), everything is probably hosed at this point. We will, however, try to keep things going by informing the high-level code that we need help. */ diff --git a/drivers/scsi/fdomain.c b/drivers/scsi/fdomain.c index a843c080c1d..4ba6a15cf43 100644 --- a/drivers/scsi/fdomain.c +++ b/drivers/scsi/fdomain.c @@ -1543,12 +1543,18 @@ static int fdomain_16x0_abort(struct scsi_cmnd *SCpnt) int fdomain_16x0_bus_reset(struct scsi_cmnd *SCpnt) { + unsigned long flags; + + local_irq_save(flags); + outb(1, port_base + SCSI_Cntl); do_pause( 2 ); outb(0, port_base + SCSI_Cntl); do_pause( 115 ); outb(0, port_base + SCSI_Mode_Cntl); outb(PARITY_MASK, port_base + TMC_Cntl); + + local_irq_restore(flags); return SUCCESS; } diff --git a/drivers/scsi/gvp11.c b/drivers/scsi/gvp11.c index 30cbf73c743..66990af1dc9 100644 --- a/drivers/scsi/gvp11.c +++ b/drivers/scsi/gvp11.c @@ -345,7 +345,11 @@ release: static int gvp11_bus_reset(Scsi_Cmnd *cmd) { /* FIXME perform bus-specific reset */ + + spin_lock_irq(cmd->device->host->host_lock); wd33c93_host_reset(cmd); + spin_unlock_irq(cmd->device->host->host_lock); + return SUCCESS; } diff --git a/drivers/scsi/imm.c b/drivers/scsi/imm.c index be7f2ca0183..65e845665b8 100644 --- a/drivers/scsi/imm.c +++ b/drivers/scsi/imm.c @@ -18,6 +18,7 @@ #include <linux/blkdev.h> #include <linux/parport.h> #include <linux/workqueue.h> +#include <linux/delay.h> #include <asm/io.h> #include <scsi/scsi.h> @@ -610,9 +611,9 @@ static int imm_init(imm_struct *dev) if (imm_connect(dev, 0) != 1) return -EIO; imm_reset_pulse(dev->base); - udelay(1000); /* Delay to allow devices to settle */ + mdelay(1); /* Delay to allow devices to settle */ imm_disconnect(dev); - udelay(1000); /* Another delay to allow devices to settle */ + mdelay(1); /* Another delay to allow devices to settle */ return device_check(dev); } @@ -1026,9 +1027,9 @@ static int imm_reset(struct scsi_cmnd *cmd) imm_connect(dev, CONNECT_NORMAL); imm_reset_pulse(dev->base); - udelay(1000); /* device settle delay */ + mdelay(1); /* device settle delay */ imm_disconnect(dev); - udelay(1000); /* device settle delay */ + mdelay(1); /* device settle delay */ return SUCCESS; } diff --git a/drivers/scsi/in2000.c b/drivers/scsi/in2000.c index fbb29f7971d..aed7e64865f 100644 --- a/drivers/scsi/in2000.c +++ b/drivers/scsi/in2000.c @@ -1644,14 +1644,16 @@ static int in2000_bus_reset(Scsi_Cmnd * cmd) struct Scsi_Host *instance; struct IN2000_hostdata *hostdata; int x; + unsigned long flags; instance = cmd->device->host; hostdata = (struct IN2000_hostdata *) instance->hostdata; printk(KERN_WARNING "scsi%d: Reset. ", instance->host_no); - /* do scsi-reset here */ + spin_lock_irqsave(instance->host_lock, flags); + /* do scsi-reset here */ reset_hardware(instance, RESET_CARD_AND_BUS); for (x = 0; x < 8; x++) { hostdata->busy[x] = 0; @@ -1668,6 +1670,8 @@ static int in2000_bus_reset(Scsi_Cmnd * cmd) hostdata->outgoing_len = 0; cmd->result = DID_RESET << 16; + + spin_unlock_irqrestore(instance->host_lock, flags); return SUCCESS; } diff --git a/drivers/scsi/initio.c b/drivers/scsi/initio.c index a7b74d8c53b..f7ddc9f1ba4 100644 --- a/drivers/scsi/initio.c +++ b/drivers/scsi/initio.c @@ -3014,7 +3014,11 @@ static int i91u_bus_reset(struct scsi_cmnd * SCpnt) HCS *pHCB; pHCB = (HCS *) SCpnt->device->host->base; + + spin_lock_irq(SCpnt->device->host->host_lock); tul_reset_scsi(pHCB, 0); + spin_unlock_irq(SCpnt->device->host->host_lock); + return SUCCESS; } diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index 13da26883da..f2aff3f4042 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -1054,7 +1054,7 @@ lpfc_reset_lun_handler(struct scsi_cmnd *cmnd) * Note: midlayer calls this function with the host_lock held */ static int -lpfc_reset_bus_handler(struct scsi_cmnd *cmnd) +__lpfc_reset_bus_handler(struct scsi_cmnd *cmnd) { struct Scsi_Host *shost = cmnd->device->host; struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata[0]; @@ -1144,6 +1144,16 @@ out: } static int +lpfc_reset_bus_handler(struct scsi_cmnd *cmnd) +{ + int rc; + spin_lock_irq(cmnd->device->host->host_lock); + rc = __lpfc_reset_bus_handler(cmnd); + spin_unlock_irq(cmnd->device->host->host_lock); + return rc; +} + +static int lpfc_slave_alloc(struct scsi_device *sdev) { struct lpfc_hba *phba = (struct lpfc_hba *)sdev->host->hostdata[0]; diff --git a/drivers/scsi/mvme147.c b/drivers/scsi/mvme147.c index e73b33f293a..5c42021189e 100644 --- a/drivers/scsi/mvme147.c +++ b/drivers/scsi/mvme147.c @@ -116,7 +116,11 @@ int mvme147_detect(Scsi_Host_Template *tpnt) static int mvme147_bus_reset(Scsi_Cmnd *cmd) { /* FIXME perform bus-specific reset */ + + spin_lock_irq(cmd->device->host->host_lock); wd33c93_host_reset(cmd); + spin_unlock_irq(cmd->device->host->host_lock); + return SUCCESS; } diff --git a/drivers/scsi/nsp32.c b/drivers/scsi/nsp32.c index 029cef4ad69..6f15e7adbc6 100644 --- a/drivers/scsi/nsp32.c +++ b/drivers/scsi/nsp32.c @@ -2987,6 +2987,8 @@ static int nsp32_eh_bus_reset(struct scsi_cmnd *SCpnt) nsp32_hw_data *data = (nsp32_hw_data *)SCpnt->device->host->hostdata; unsigned int base = SCpnt->device->host->io_port; + spin_lock_irq(SCpnt->device->host->host_lock); + nsp32_msg(KERN_INFO, "Bus Reset"); nsp32_dbg(NSP32_DEBUG_BUSRESET, "SCpnt=0x%x", SCpnt); @@ -2994,6 +2996,7 @@ static int nsp32_eh_bus_reset(struct scsi_cmnd *SCpnt) nsp32_do_bus_reset(data); nsp32_write2(base, IRQ_CONTROL, 0); + spin_unlock_irq(SCpnt->device->host->host_lock); return SUCCESS; /* SCSI bus reset is succeeded at any time. */ } diff --git a/drivers/scsi/ppa.c b/drivers/scsi/ppa.c index 96b4522523d..fafcf5d185e 100644 --- a/drivers/scsi/ppa.c +++ b/drivers/scsi/ppa.c @@ -17,6 +17,7 @@ #include <linux/blkdev.h> #include <linux/parport.h> #include <linux/workqueue.h> +#include <linux/delay.h> #include <asm/io.h> #include <scsi/scsi.h> @@ -891,9 +892,9 @@ static int ppa_reset(struct scsi_cmnd *cmd) ppa_connect(dev, CONNECT_NORMAL); ppa_reset_pulse(dev->base); - udelay(1000); /* device settle delay */ + mdelay(1); /* device settle delay */ ppa_disconnect(dev); - udelay(1000); /* device settle delay */ + mdelay(1); /* device settle delay */ return SUCCESS; } diff --git a/drivers/scsi/qla1280.c b/drivers/scsi/qla1280.c index 907a1e8cc88..d26dbe2a33f 100644 --- a/drivers/scsi/qla1280.c +++ b/drivers/scsi/qla1280.c @@ -1130,7 +1130,13 @@ qla1280_eh_device_reset(struct scsi_cmnd *cmd) static int qla1280_eh_bus_reset(struct scsi_cmnd *cmd) { - return qla1280_error_action(cmd, BUS_RESET); + int rc; + + spin_lock_irq(cmd->device->host->host_lock); + rc = qla1280_error_action(cmd, BUS_RESET); + spin_unlock_irq(cmd->device->host->host_lock); + + return rc; } /************************************************************************** diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 360974eb2b2..e9091f9fbf2 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -753,8 +753,6 @@ qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd) qla_printk(KERN_INFO, ha, "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha->host_no, id, lun); - spin_unlock_irq(ha->host->host_lock); - if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) { DEBUG2(printk("%s failed:board disabled\n",__func__)); goto eh_bus_reset_done; @@ -776,8 +774,6 @@ eh_bus_reset_done: qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__, (ret == FAILED) ? "failed" : "succeded"); - spin_lock_irq(ha->host->host_lock); - return ret; } diff --git a/drivers/scsi/qlogicfas408.c b/drivers/scsi/qlogicfas408.c index 575f8a8fcf3..cb75e0b7bae 100644 --- a/drivers/scsi/qlogicfas408.c +++ b/drivers/scsi/qlogicfas408.c @@ -511,8 +511,14 @@ int qlogicfas408_abort(Scsi_Cmnd * cmd) int qlogicfas408_bus_reset(Scsi_Cmnd * cmd) { struct qlogicfas408_priv *priv = get_priv_by_cmd(cmd); + unsigned long flags; + priv->qabort = 2; + + spin_lock_irqsave(cmd->device->host->host_lock, flags); ql_zap(priv); + spin_unlock_irqrestore(cmd->device->host->host_lock, flags); + return SUCCESS; } diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index 87d925055b4..be56ee67b7f 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -1053,9 +1053,7 @@ static int scsi_try_bus_reset(struct scsi_cmnd *scmd) if (!scmd->device->host->hostt->eh_bus_reset_handler) return FAILED; - spin_lock_irqsave(scmd->device->host->host_lock, flags); rtn = scmd->device->host->hostt->eh_bus_reset_handler(scmd); - spin_unlock_irqrestore(scmd->device->host->host_lock, flags); if (rtn == SUCCESS) { if (!scmd->device->host->hostt->skip_settle_delay) diff --git a/drivers/scsi/seagate.c b/drivers/scsi/seagate.c index ae9fdb52847..a0cace9aeb7 100644 --- a/drivers/scsi/seagate.c +++ b/drivers/scsi/seagate.c @@ -97,6 +97,7 @@ #include <linux/delay.h> #include <linux/blkdev.h> #include <linux/stat.h> +#include <linux/delay.h> #include <asm/io.h> #include <asm/system.h> @@ -1631,7 +1632,7 @@ static int seagate_st0x_bus_reset(Scsi_Cmnd * SCpnt) /* assert RESET signal on SCSI bus. */ WRITE_CONTROL (BASE_CMD | CMD_RST); - udelay (20 * 1000); + mdelay (20); WRITE_CONTROL (BASE_CMD); st0x_aborted = DID_RESET; diff --git a/drivers/scsi/sgiwd93.c b/drivers/scsi/sgiwd93.c index 270f2aa88fa..ed66828705e 100644 --- a/drivers/scsi/sgiwd93.c +++ b/drivers/scsi/sgiwd93.c @@ -310,7 +310,11 @@ int sgiwd93_release(struct Scsi_Host *instance) static int sgiwd93_bus_reset(Scsi_Cmnd *cmd) { /* FIXME perform bus-specific reset */ + + spin_lock_irq(cmd->device->host->host_lock); wd33c93_host_reset(cmd); + spin_unlock_irq(cmd->device->host->host_lock); + return SUCCESS; } diff --git a/drivers/scsi/sym53c8xx_2/sym_glue.c b/drivers/scsi/sym53c8xx_2/sym_glue.c index 5ea62552d47..6af9c18b3f9 100644 --- a/drivers/scsi/sym53c8xx_2/sym_glue.c +++ b/drivers/scsi/sym53c8xx_2/sym_glue.c @@ -878,7 +878,13 @@ static int sym53c8xx_eh_device_reset_handler(struct scsi_cmnd *cmd) static int sym53c8xx_eh_bus_reset_handler(struct scsi_cmnd *cmd) { - return sym_eh_handler(SYM_EH_BUS_RESET, "BUS RESET", cmd); + int rc; + + spin_lock_irq(cmd->device->host->host_lock); + rc = sym_eh_handler(SYM_EH_BUS_RESET, "BUS RESET", cmd); + spin_unlock_irq(cmd->device->host->host_lock); + + return rc; } static int sym53c8xx_eh_host_reset_handler(struct scsi_cmnd *cmd) diff --git a/drivers/scsi/tmscsim.c b/drivers/scsi/tmscsim.c index ee9df02efd5..9589c67de53 100644 --- a/drivers/scsi/tmscsim.c +++ b/drivers/scsi/tmscsim.c @@ -2120,6 +2120,8 @@ static int DC390_bus_reset (struct scsi_cmnd *cmd) struct dc390_acb* pACB = (struct dc390_acb*) cmd->device->host->hostdata; u8 bval; + spin_lock_irq(cmd->device->host->host_lock); + bval = DC390_read8(CtrlReg1) | DIS_INT_ON_SCSI_RST; DC390_write8(CtrlReg1, bval); /* disable IRQ on bus reset */ @@ -2127,7 +2129,7 @@ static int DC390_bus_reset (struct scsi_cmnd *cmd) dc390_ResetSCSIBus(pACB); dc390_ResetDevParam(pACB); - udelay(1000); + mdelay(1); pACB->pScsiHost->last_reset = jiffies + 3*HZ/2 + HZ * dc390_eepromBuf[pACB->AdapterIndex][EE_DELAY]; @@ -2142,6 +2144,8 @@ static int DC390_bus_reset (struct scsi_cmnd *cmd) bval = DC390_read8(CtrlReg1) & ~DIS_INT_ON_SCSI_RST; DC390_write8(CtrlReg1, bval); /* re-enable interrupt */ + spin_unlock_irq(cmd->device->host->host_lock); + return SUCCESS; } diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c index 739a9143477..1035b248eff 100644 --- a/drivers/usb/storage/scsiglue.c +++ b/drivers/usb/storage/scsiglue.c @@ -276,8 +276,6 @@ static int bus_reset(struct scsi_cmnd *srb) US_DEBUGP("%s called\n", __FUNCTION__); - scsi_unlock(us_to_host(us)); - /* The USB subsystem doesn't handle synchronisation between * a device's several drivers. Therefore we reset only devices * with just one interface, which we of course own. */ @@ -304,7 +302,6 @@ static int bus_reset(struct scsi_cmnd *srb) up(&(us->dev_semaphore)); /* lock the host for the return */ - scsi_lock(us_to_host(us)); return result < 0 ? FAILED : SUCCESS; } |