X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fscsi%2Fimm.c;h=0464c182c5771fc44d02a3549bbd19fbd6b8d227;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=fc0f30ae0f77fc251b48bc70e011c53bc816f3fa;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git diff --git a/drivers/scsi/imm.c b/drivers/scsi/imm.c index fc0f30ae0..0464c182c 100644 --- a/drivers/scsi/imm.c +++ b/drivers/scsi/imm.c @@ -3,15 +3,11 @@ * * (The IMM is the embedded controller in the ZIP Plus drive.) * - * Current Maintainer: David Campbell (Perth, Western Australia) - * campbell@torque.net - * * My unoffical company acronym list is 21 pages long: * FLA: Four letter acronym with built in facility for * future expansion to five letters. */ -#include #include #include #include @@ -40,7 +36,7 @@ typedef struct { int base_hi; /* Hi Base address for ECP-ISA chipset */ int mode; /* Transfer mode */ struct scsi_cmnd *cur_cmd; /* Current queued command */ - struct work_struct imm_tq; /* Polling interrupt stuff */ + struct delayed_work imm_tq; /* Polling interrupt stuff */ unsigned long jstart; /* Jiffies at start */ unsigned failed:1; /* Failure flag */ unsigned dp:1; /* Data phase present */ @@ -737,9 +733,9 @@ static int imm_completion(struct scsi_cmnd *cmd) * the scheduler's task queue to generate a stream of call-backs and * complete the request when the drive is ready. */ -static void imm_interrupt(void *data) +static void imm_interrupt(struct work_struct *work) { - imm_struct *dev = (imm_struct *) data; + imm_struct *dev = container_of(work, imm_struct, imm_tq.work); struct scsi_cmnd *cmd = dev->cur_cmd; struct Scsi_Host *host = cmd->device->host; unsigned long flags; @@ -749,7 +745,6 @@ static void imm_interrupt(void *data) return; } if (imm_engine(dev, cmd)) { - INIT_WORK(&dev->imm_tq, imm_interrupt, (void *) dev); schedule_delayed_work(&dev->imm_tq, 1); return; } @@ -957,8 +952,7 @@ static int imm_queuecommand(struct scsi_cmnd *cmd, cmd->result = DID_ERROR << 16; /* default return code */ cmd->SCp.phase = 0; /* bus free */ - INIT_WORK(&dev->imm_tq, imm_interrupt, dev); - schedule_work(&dev->imm_tq); + schedule_delayed_work(&dev->imm_tq, 0); imm_pb_claim(dev); @@ -1119,6 +1113,10 @@ static int device_check(imm_struct *dev) return -ENODEV; } +/* + * imm cannot deal with highmem, so this causes all IO pages for this host + * to reside in low memory (hence mapped) + */ static int imm_adjust_queue(struct scsi_device *device) { blk_queue_bounce_limit(device->request_queue, BLK_BOUNCE_HIGH); @@ -1141,10 +1139,6 @@ static struct scsi_host_template imm_template = { .use_clustering = ENABLE_CLUSTERING, .can_queue = 1, .slave_alloc = imm_adjust_queue, - .unchecked_isa_dma = 1, /* imm cannot deal with highmem, so - * this is an easy trick to ensure - * all io pages for this host reside - * in low memory */ }; /*************************************************************************** @@ -1157,7 +1151,7 @@ static int __imm_attach(struct parport *pb) { struct Scsi_Host *host; imm_struct *dev; - DECLARE_WAIT_QUEUE_HEAD(waiting); + DECLARE_WAIT_QUEUE_HEAD_ONSTACK(waiting); DEFINE_WAIT(wait); int ports; int modes, ppb; @@ -1229,7 +1223,7 @@ static int __imm_attach(struct parport *pb) else ports = 8; - INIT_WORK(&dev->imm_tq, imm_interrupt, dev); + INIT_DELAYED_WORK(&dev->imm_tq, imm_interrupt); err = -ENOMEM; host = scsi_host_alloc(&imm_template, sizeof(imm_struct *));