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[S390] cio: remove subchannel init_name

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We used the init_name to set the console subchannels name early
at the boot stage. With the patch cio: fix memleak in subchannel validation
we moved the name setting to the point where we actually register the
console subchannel. At this time we can do dynamic allocations and therefore
use dev_set_name.

Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Sebastian Ott 2009-09-11 10:28:25 +02:00 committed by Martin Schwidefsky
parent ab6aae0902
commit 6ee4fec6be
3 changed files with 2 additions and 14 deletions
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7
drivers/s390/cio/cio.c
View File

@ -667,7 +667,6 @@ void __irq_entry do_IRQ(struct pt_regs *regs)
#ifdef CONFIG_CCW_CONSOLE
static struct subchannel console_subchannel;
static char console_sch_name[10] = "0.x.xxxx";
static struct io_subchannel_private console_priv;
static int console_subchannel_in_use;
@ -854,12 +853,6 @@ cio_get_console_subchannel(void)
return &console_subchannel;
}
const char *cio_get_console_sch_name(struct subchannel_id schid)
{
snprintf(console_sch_name, 10, "0.%x.%04x", schid.ssid, schid.sch_no);
return (const char *)console_sch_name;
}
#endif
static int
__disable_subchannel_easy(struct subchannel_id schid, struct schib *schib)

2
drivers/s390/cio/cio.h
View File

@ -133,14 +133,12 @@ extern int cio_is_console(struct subchannel_id);
extern struct subchannel *cio_get_console_subchannel(void);
extern spinlock_t * cio_get_console_lock(void);
extern void *cio_get_console_priv(void);
extern const char *cio_get_console_sch_name(struct subchannel_id schid);
extern const char *cio_get_console_cdev_name(struct subchannel *sch);
#else
#define cio_is_console(schid) 0
#define cio_get_console_subchannel() NULL
#define cio_get_console_lock() NULL
#define cio_get_console_priv() NULL
#define cio_get_console_sch_name(schid) NULL
#define cio_get_console_cdev_name(sch) NULL
#endif

3
drivers/s390/cio/css.c
View File

@ -183,9 +183,6 @@ static int css_sch_device_register(struct subchannel *sch)
int ret;
mutex_lock(&sch->reg_mutex);
if (cio_is_console(sch->schid))
sch->dev.init_name = cio_get_console_sch_name(sch->schid);
else
dev_set_name(&sch->dev, "0.%x.%04x", sch->schid.ssid,
sch->schid.sch_no);
ret = device_register(&sch->dev);