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author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2008-12-25 13:39:01 +0100 |
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committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2008-12-25 13:39:05 +0100 |
commit | 191fd44c11e10daf9d2cabd16935952e9c735949 (patch) | |
tree | 320f6344ccc07e265d5b902ed2a2cffa1838bca6 | |
parent | [S390] remove ptrace warning on 31 bit. (diff) | |
download | linux-191fd44c11e10daf9d2cabd16935952e9c735949.tar.xz linux-191fd44c11e10daf9d2cabd16935952e9c735949.zip |
[S390] cio: get rid of compile warning
Move cio_tpi() to the rest of the CONFIG_CCW_CONSOLE functions to
get rid of this one:
drivers/s390/cio/cio.c:115: warning: 'cio_tpi' defined but not used
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
-rw-r--r-- | drivers/s390/cio/cio.c | 75 |
1 files changed, 37 insertions, 38 deletions
diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c index 3db2c386546f..8047800e9a0c 100644 --- a/drivers/s390/cio/cio.c +++ b/drivers/s390/cio/cio.c @@ -104,44 +104,6 @@ cio_get_options (struct subchannel *sch) return flags; } -/* - * Use tpi to get a pending interrupt, call the interrupt handler and - * return a pointer to the subchannel structure. - */ -static int -cio_tpi(void) -{ - struct tpi_info *tpi_info; - struct subchannel *sch; - struct irb *irb; - int irq_context; - - tpi_info = (struct tpi_info *) __LC_SUBCHANNEL_ID; - if (tpi (NULL) != 1) - return 0; - irb = (struct irb *) __LC_IRB; - /* Store interrupt response block to lowcore. */ - if (tsch (tpi_info->schid, irb) != 0) - /* Not status pending or not operational. */ - return 1; - sch = (struct subchannel *)(unsigned long)tpi_info->intparm; - if (!sch) - return 1; - irq_context = in_interrupt(); - if (!irq_context) - local_bh_disable(); - irq_enter (); - spin_lock(sch->lock); - memcpy(&sch->schib.scsw, &irb->scsw, sizeof(union scsw)); - if (sch->driver && sch->driver->irq) - sch->driver->irq(sch); - spin_unlock(sch->lock); - irq_exit (); - if (!irq_context) - _local_bh_enable(); - return 1; -} - static int cio_start_handle_notoper(struct subchannel *sch, __u8 lpm) { @@ -687,6 +649,43 @@ static char console_sch_name[10] = "0.x.xxxx"; static struct io_subchannel_private console_priv; static int console_subchannel_in_use; +/* + * Use tpi to get a pending interrupt, call the interrupt handler and + * return a pointer to the subchannel structure. + */ +static int cio_tpi(void) +{ + struct tpi_info *tpi_info; + struct subchannel *sch; + struct irb *irb; + int irq_context; + + tpi_info = (struct tpi_info *) __LC_SUBCHANNEL_ID; + if (tpi(NULL) != 1) + return 0; + irb = (struct irb *) __LC_IRB; + /* Store interrupt response block to lowcore. */ + if (tsch(tpi_info->schid, irb) != 0) + /* Not status pending or not operational. */ + return 1; + sch = (struct subchannel *)(unsigned long)tpi_info->intparm; + if (!sch) + return 1; + irq_context = in_interrupt(); + if (!irq_context) + local_bh_disable(); + irq_enter(); + spin_lock(sch->lock); + memcpy(&sch->schib.scsw, &irb->scsw, sizeof(union scsw)); + if (sch->driver && sch->driver->irq) + sch->driver->irq(sch); + spin_unlock(sch->lock); + irq_exit(); + if (!irq_context) + _local_bh_enable(); + return 1; +} + void *cio_get_console_priv(void) { return &console_priv; |