Pull apm-freeze-fix into release branch

[linux-2.6-omap-h63xx.git] / drivers / s390 / cio / cio.c

diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c
index bab729202f4989430c897c107c121e2820024dea..46905345159e6705036d7d20030de558a534b60d 100644 (file)
--- a/drivers/s390/cio/cio.c
+++ b/drivers/s390/cio/cio.c
@@ -22,6 +22,7 @@
 #include <asm/setup.h>
 #include <asm/reset.h>
 #include <asm/ipl.h>
+#include <asm/chpid.h>
 #include "airq.h"
 #include "cio.h"
 #include "css.h"
@@ -29,6 +30,7 @@
 #include "ioasm.h"
 #include "blacklist.h"
 #include "cio_debug.h"
+#include "chp.h"
 #include "../s390mach.h"
 
 debug_info_t *cio_debug_msg_id;
@@ -45,8 +47,8 @@ cio_setup (char *parm)
        else if (!strcmp (parm, "no"))
                cio_show_msg = 0;
        else
-               printk (KERN_ERR "cio_setup : invalid cio_msg parameter '%s'",
-                       parm);
+               printk(KERN_ERR "cio: cio_setup: "
+                      "invalid cio_msg parameter '%s'", parm);
        return 1;
 }
 
@@ -78,7 +80,6 @@ cio_debug_init (void)
                goto out_unregister;
        debug_register_view (cio_debug_crw_id, &debug_sprintf_view);
        debug_set_level (cio_debug_crw_id, 2);
-       pr_debug("debugging initialized\n");
        return 0;
 
 out_unregister:
@@ -88,7 +89,7 @@ out_unregister:
                debug_unregister (cio_debug_trace_id);
        if (cio_debug_crw_id)
                debug_unregister (cio_debug_crw_id);
-       pr_debug("could not initialize debugging\n");
+       printk(KERN_WARNING"cio: could not initialize debugging\n");
        return -1;
 }
 
@@ -566,7 +567,7 @@ cio_validate_subchannel (struct subchannel *sch, struct subchannel_id schid)
         */
        if (sch->st != 0) {
                CIO_DEBUG(KERN_INFO, 0,
-                         "Subchannel 0.%x.%04x reports "
+                         "cio: Subchannel 0.%x.%04x reports "
                          "non-I/O subchannel type %04X\n",
                          sch->schid.ssid, sch->schid.sch_no, sch->st);
                /* We stop here for non-io subchannels. */
@@ -592,13 +593,14 @@ cio_validate_subchannel (struct subchannel *sch, struct subchannel_id schid)
                err = -ENODEV;
                goto out;
        }
-       sch->opm = 0xff;
-       if (!cio_is_console(sch->schid))
-               chsc_validate_chpids(sch);
+       if (cio_is_console(sch->schid))
+               sch->opm = 0xff;
+       else
+               sch->opm = chp_get_sch_opm(sch);
        sch->lpm = sch->schib.pmcw.pam & sch->opm;
 
        CIO_DEBUG(KERN_INFO, 0,
-                 "Detected device %04x on subchannel 0.%x.%04X"
+                 "cio: Detected device %04x on subchannel 0.%x.%04X"
                  " - PIM = %02X, PAM = %02X, POM = %02X\n",
                  sch->schib.pmcw.dev, sch->schid.ssid,
                  sch->schid.sch_no, sch->schib.pmcw.pim,
@@ -617,6 +619,11 @@ cio_validate_subchannel (struct subchannel *sch, struct subchannel_id schid)
        sch->schib.pmcw.ena = 0;
        if ((sch->lpm & (sch->lpm - 1)) != 0)
                sch->schib.pmcw.mp = 1; /* multipath mode */
+       /* clean up possible residual cmf stuff */
+       sch->schib.pmcw.mme = 0;
+       sch->schib.pmcw.mbfc = 0;
+       sch->schib.pmcw.mbi = 0;
+       sch->schib.mba = 0;
        return 0;
 out:
        if (!cio_is_console(schid))
@@ -763,7 +770,7 @@ cio_get_console_sch_no(void)
                /* 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 "No ccw console found!\n");
+               printk(KERN_WARNING "cio: No ccw console found!\n");
                return -1;
        }
        return console_irq;