linux-vax-kern-commit

[Dave A. <ai...@us...>]

Update of /cvsroot/linux-vax/kernel-2.4/drivers/vsbus
In directory usw-pr-cvs1:/tmp/cvs-serv558

Modified Files:
	vsbus.c 
Log Message:
DA: vsbus changes for 4000/60... need testing on 3100/m38


Index: vsbus.c
===================================================================
RCS file: /cvsroot/linux-vax/kernel-2.4/drivers/vsbus/vsbus.c,v
retrieving revision 1.5
retrieving revision 1.6
diff -u -r1.5 -r1.6
--- vsbus.c	2001/09/16 15:13:09	1.5
+++ vsbus.c	2001/11/11 22:43:25	1.6
@@ -27,26 +27,27 @@
   unsigned long irqs;
   
   sys_vs.vs_cpu_ptr=(void *)ioremap(VSA_BASE_REGS, 128);
-  
+  sys_vs.vs_mask=sys_vs.vs_cpu_ptr->vc_intreq;
+  printk("vsbus: interrupt mask %x\n", sys_vs.vs_mask);
   irqs=probe_irq_on();
  
   sys_vs.vs_cpu_ptr->vc_intmsk=0;
   sys_vs.vs_cpu_ptr->vc_intclr=0xFF;
   //  printk("vsbus: Getting Interrupt Mask\n");
-  udelay(100000);
+  mdelay(1);
   sys_vs.vs_mask=sys_vs.vs_cpu_ptr->vc_intreq;
-  sys_vs.vs_cpu_ptr->vc_intmsk=0; /*~sys_vs.vs_mask;*/
 
+  /* switch off all interrupts for now */
+  sys_vs.vs_cpu_ptr->vc_intmsk=0; /*~sys_vs.vs_mask;*/
   probe_irq_off(irqs);
   printk("vsbus: interrupt mask %x\n", sys_vs.vs_mask);
-
   return 0;
 }
 
 int vsbus_enable_int(int bit_nr)
 {
   sys_vs.vs_cpu_ptr->vc_intmsk|=1<<bit_nr;
-
+  sys_vs.vs_enabled |= 1<< bit_nr;
   return 0;
 }
 
@@ -60,24 +61,26 @@
 int vsbus_disable_int(int bit_nr)
 {
   sys_vs.vs_cpu_ptr->vc_intmsk&=~(1<<bit_nr);
+  sys_vs.vs_enabled &= ~(1<<bit_nr);
   return 0;
 }
 
 int vsbus_probe_irq_on(void)
 {
   printk("vsbus: probing set mask ~%2X\n", sys_vs.vs_mask);
-  sys_vs.vs_cpu_ptr->vc_intmsk = sys_vs.vs_mask;
+  sys_vs.vs_cpu_ptr->vc_intmsk = 0; //~sys_vs.vs_mask;
   sys_vs.vs_cpu_ptr->vc_intclr=0xff;
   return 0;
 }
 
 unsigned char vsbus_probe_irq_report(void)
 {
- unsigned char x, y;
-
+  unsigned char x, y;
+  
   x=sys_vs.vs_cpu_ptr->vc_intreq;
   y = x & ~sys_vs.vs_mask;
   printk("vsbus: probe returning %2X, %2X\n", x, ffs(y));
+  sys_vs.vs_cpu_ptr->vc_intmsk  = sys_vs.vs_enabled;
   return ffs(y)-1;
 }