#include <asm/ipl.h>
#include <asm/chpid.h>
#include <asm/airq.h>
+#include <asm/isc.h>
#include <asm/cpu.h>
#include <asm/fcx.h>
#include "cio.h"
debug_unregister(cio_debug_trace_id);
if (cio_debug_crw_id)
debug_unregister(cio_debug_crw_id);
- printk(KERN_WARNING"cio: could not initialize debugging\n");
return -1;
}
*/
if (tpi_info->adapter_IO == 1 &&
tpi_info->int_type == IO_INTERRUPT_TYPE) {
- do_adapter_IO();
+ do_adapter_IO(tpi_info->isc);
continue;
}
sch = (struct subchannel *)(unsigned long)tpi_info->intparm;
if (!console_subchannel_in_use)
return;
- /* disable all but isc 1 (console device) */
+ /* disable all but the console isc */
__ctl_store (save_cr6, 6, 6);
- cr6 = 0x40000000;
+ cr6 = 1UL << (31 - CONSOLE_ISC);
__ctl_load (cr6, 6, 6);
do {
/* unlike in 2.4, we cannot autoprobe here, since
* the channel subsystem is not fully initialized.
* With some luck, the HWC console can take over */
- printk(KERN_WARNING "cio: No ccw console found!\n");
return -1;
}
return console_irq;
sch_no = cio_get_console_sch_no();
if (sch_no == -1) {
console_subchannel_in_use = 0;
+ printk(KERN_WARNING "cio: No ccw console found!\n");
return ERR_PTR(-ENODEV);
}
memset(&console_subchannel, 0, sizeof(struct subchannel));
}
/*
- * enable console I/O-interrupt subclass 1
+ * enable console I/O-interrupt subclass
*/
- ctl_set_bit(6, 30);
- console_subchannel.schib.pmcw.isc = 1;
+ isc_register(CONSOLE_ISC);
+ console_subchannel.schib.pmcw.isc = CONSOLE_ISC;
console_subchannel.schib.pmcw.intparm =
(u32)(addr_t)&console_subchannel;
ret = cio_modify(&console_subchannel);
if (ret) {
+ isc_unregister(CONSOLE_ISC);
console_subchannel_in_use = 0;
return ERR_PTR(ret);
}
{
console_subchannel.schib.pmcw.intparm = 0;
cio_modify(&console_subchannel);
- ctl_clear_bit(6, 30);
+ isc_unregister(CONSOLE_ISC);
console_subchannel_in_use = 0;
}
return -EBUSY;
}
+static void __clear_chsc_subchannel_easy(void)
+{
+ /* It seems we can only wait for a bit here :/ */
+ udelay_reset(100);
+}
+
static int pgm_check_occured;
static void cio_reset_pgm_check_handler(void)
if (__clear_io_subchannel_easy(schid))
goto out; /* give up... */
break;
+ case SUBCHANNEL_TYPE_CHSC:
+ __clear_chsc_subchannel_easy();
+ break;
default:
/* No default clear strategy */
break;