* (c) 1995,1996 Grant R. Guenther, grant@torque.net,
* under the terms of the GNU General Public License.
*
- * Current Maintainer: David Campbell (Perth, Western Australia, GMT+0800)
- * campbell@torque.net
*/
-#include <linux/config.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/parport.h>
#include <linux/workqueue.h>
#include <linux/delay.h>
+#include <linux/jiffies.h>
#include <asm/io.h>
#include <scsi/scsi.h>
int base; /* Actual port address */
int mode; /* Transfer mode */
struct scsi_cmnd *cur_cmd; /* Current queued command */
- struct work_struct ppa_tq; /* Polling interrupt stuff */
+ struct delayed_work ppa_tq; /* Polling interrupt stuff */
unsigned long jstart; /* Jiffies at start */
unsigned long recon_tmo; /* How many usecs to wait for reconnection (6th bit) */
unsigned int failed:1; /* Failure flag */
* the scheduler's task queue to generate a stream of call-backs and
* complete the request when the drive is ready.
*/
-static void ppa_interrupt(void *data)
+static void ppa_interrupt(struct work_struct *work)
{
- ppa_struct *dev = (ppa_struct *) data;
+ ppa_struct *dev = container_of(work, ppa_struct, ppa_tq.work);
struct scsi_cmnd *cmd = dev->cur_cmd;
if (!cmd) {
return;
}
if (ppa_engine(dev, cmd)) {
- dev->ppa_tq.data = (void *) dev;
schedule_delayed_work(&dev->ppa_tq, 1);
return;
}
retv--;
if (retv) {
- if ((jiffies - dev->jstart) > (1 * HZ)) {
+ if (time_after(jiffies, dev->jstart + (1 * HZ))) {
printk
("ppa: Parallel port cable is unplugged!!\n");
ppa_fail(dev, DID_BUS_BUSY);
cmd->result = DID_ERROR << 16; /* default return code */
cmd->SCp.phase = 0; /* bus free */
- dev->ppa_tq.data = dev;
- schedule_work(&dev->ppa_tq);
+ schedule_delayed_work(&dev->ppa_tq, 0);
ppa_pb_claim(dev);
return -ENODEV;
}
+static int ppa_adjust_queue(struct scsi_device *device)
+{
+ blk_queue_bounce_limit(device->request_queue, BLK_BOUNCE_HIGH);
+ return 0;
+}
+
static struct scsi_host_template ppa_template = {
.module = THIS_MODULE,
.proc_name = "ppa",
.cmd_per_lun = 1,
.use_clustering = ENABLE_CLUSTERING,
.can_queue = 1,
+ .slave_alloc = ppa_adjust_queue,
};
/***************************************************************************
static int __ppa_attach(struct parport *pb)
{
struct Scsi_Host *host;
- DECLARE_WAIT_QUEUE_HEAD(waiting);
+ DECLARE_WAIT_QUEUE_HEAD_ONSTACK(waiting);
DEFINE_WAIT(wait);
ppa_struct *dev;
int ports;
else
ports = 8;
- INIT_WORK(&dev->ppa_tq, ppa_interrupt, dev);
+ INIT_DELAYED_WORK(&dev->ppa_tq, ppa_interrupt);
err = -ENOMEM;
host = scsi_host_alloc(&ppa_template, sizeof(ppa_struct *));