#include <linux/proc_fs.h>
#include <linux/time.h>
#include <linux/timer.h>
+#include <linux/dma-mapping.h>
#ifdef GDTH_RTC
#include <linux/mc146818rtc.h>
#endif
static struct notifier_block gdth_notifier = {
gdth_halt, NULL, 0
};
-
+static int notifier_disabled = 0;
static void gdth_delay(int milliseconds)
{
}
#endif
- } else {
+ } else if (scp->request_bufflen) {
scp->SCp.Status = GDTH_MAP_SINGLE;
scp->SCp.Message = (read_write == 1 ?
PCI_DMA_TODEVICE : PCI_DMA_FROMDEVICE);
if (!(ha->cache_feat & ha->raw_feat & ha->screen_feat &GDT_64BIT)||
/* 64-bit DMA only supported from FW >= x.43 */
(!ha->dma64_support)) {
- if (pci_set_dma_mask(pcistr[ctr].pdev, 0xffffffff)) {
+ if (pci_set_dma_mask(pcistr[ctr].pdev, DMA_32BIT_MASK)) {
printk(KERN_WARNING "GDT-PCI %d: Unable to set 32-bit DMA\n", hanum);
err = TRUE;
}
} else {
shp->max_cmd_len = 16;
- if (!pci_set_dma_mask(pcistr[ctr].pdev, 0xffffffffffffffffULL)) {
+ if (!pci_set_dma_mask(pcistr[ctr].pdev, DMA_64BIT_MASK)) {
printk("GDT-PCI %d: 64-bit DMA enabled\n", hanum);
- } else if (pci_set_dma_mask(pcistr[ctr].pdev, 0xffffffff)) {
+ } else if (pci_set_dma_mask(pcistr[ctr].pdev, DMA_32BIT_MASK)) {
printk(KERN_WARNING "GDT-PCI %d: Unable to set 64/32-bit DMA\n", hanum);
err = TRUE;
}
add_timer(&gdth_timer);
#endif
major = register_chrdev(0,"gdth",&gdth_fops);
+ notifier_disabled = 0;
register_reboot_notifier(&gdth_notifier);
}
gdth_polling = FALSE;
return gdth_ctr_vcount;
}
-
static int gdth_release(struct Scsi_Host *shp)
{
int hanum;
char cmnd[MAX_COMMAND_SIZE];
#endif
+ if (notifier_disabled)
+ return NOTIFY_OK;
+
TRACE2(("gdth_halt() event %d\n",(int)event));
if (event != SYS_RESTART && event != SYS_HALT && event != SYS_POWER_OFF)
return NOTIFY_DONE;
+ notifier_disabled = 1;
printk("GDT-HA: Flushing all host drives .. ");
for (hanum = 0; hanum < gdth_ctr_count; ++hanum) {
gdth_flush(hanum);
#ifdef GDTH_STATISTICS
del_timer(&gdth_timer);
#endif
- unregister_reboot_notifier(&gdth_notifier);
return NOTIFY_OK;
}