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authorMichael Holzheu <holzheu@linux.vnet.ibm.com>2013-11-13 10:38:27 +0100
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2013-11-15 14:08:41 +0100
commit7b50da53f6ad2048241bef232bfc22a132a40283 (patch)
treed8cdf310a750de86e63c4831de2fa22affa350b4
parentacf6a004e6a35dad17032e3b7c5a046c29957e65 (diff)
downloadlinux-7b50da53f6ad2048241bef232bfc22a132a40283.tar.bz2
s390/sclp: Consolidate early sclp init calls to sclp_early_detect()
The new function calls the old ones. The sclp_event_mask_early() is removed and replaced by one invocation of sclp_set_event_mask(0, 0). Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
-rw-r--r--arch/s390/include/asm/sclp.h3
-rw-r--r--arch/s390/kernel/early.c3
-rw-r--r--drivers/s390/char/sclp_early.c27
3 files changed, 11 insertions, 22 deletions
diff --git a/arch/s390/include/asm/sclp.h b/arch/s390/include/asm/sclp.h
index 593069201bb9..30ef748bc161 100644
--- a/arch/s390/include/asm/sclp.h
+++ b/arch/s390/include/asm/sclp.h
@@ -43,7 +43,6 @@ struct sclp_cpu_info {
int sclp_get_cpu_info(struct sclp_cpu_info *info);
int sclp_cpu_configure(u8 cpu);
int sclp_cpu_deconfigure(u8 cpu);
-void sclp_facilities_detect(void);
unsigned long long sclp_get_rnmax(void);
unsigned long long sclp_get_rzm(void);
int sclp_sdias_blk_count(void);
@@ -57,7 +56,7 @@ bool sclp_has_vt220(void);
int sclp_pci_configure(u32 fid);
int sclp_pci_deconfigure(u32 fid);
int memcpy_hsa(void *dest, unsigned long src, size_t count, int mode);
-void sclp_hsa_size_detect(void);
unsigned long sclp_get_hsa_size(void);
+void sclp_early_detect(void);
#endif /* _ASM_S390_SCLP_H */
diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c
index c0462f45cf1b..fca20b5fe79e 100644
--- a/arch/s390/kernel/early.c
+++ b/arch/s390/kernel/early.c
@@ -483,8 +483,7 @@ void __init startup_init(void)
detect_diag44();
detect_machine_facilities();
setup_topology();
- sclp_facilities_detect();
- sclp_hsa_size_detect();
+ sclp_early_detect();
#ifdef CONFIG_DYNAMIC_FTRACE
S390_lowcore.ftrace_func = (unsigned long)ftrace_caller;
#endif
diff --git a/drivers/s390/char/sclp_early.c b/drivers/s390/char/sclp_early.c
index cbec45fdcc59..f7aa080e9b28 100644
--- a/drivers/s390/char/sclp_early.c
+++ b/drivers/s390/char/sclp_early.c
@@ -93,20 +93,7 @@ static void __init sclp_read_info_early(void)
}
}
-static void __init sclp_event_mask_early(void)
-{
- struct init_sccb *sccb = &early_event_mask_sccb;
- int rc;
-
- do {
- memset(sccb, 0, sizeof(*sccb));
- sccb->header.length = sizeof(*sccb);
- sccb->mask_length = sizeof(sccb_mask_t);
- rc = sclp_cmd_sync_early(SCLP_CMDW_WRITE_EVENT_MASK, sccb);
- } while (rc == -EBUSY);
-}
-
-void __init sclp_facilities_detect(void)
+static void __init sclp_facilities_detect(void)
{
struct read_info_sccb *sccb;
@@ -122,8 +109,6 @@ void __init sclp_facilities_detect(void)
sclp_rnmax = sccb->rnmax ? sccb->rnmax : sccb->rnmax2;
sclp_rzm = sccb->rnsize ? sccb->rnsize : sccb->rnsize2;
sclp_rzm <<= 20;
-
- sclp_event_mask_early();
}
bool __init sclp_has_linemode(void)
@@ -246,7 +231,7 @@ unsigned long sclp_get_hsa_size(void)
return sclp_hsa_size;
}
-void __init sclp_hsa_size_detect(void)
+static void __init sclp_hsa_size_detect(void)
{
long size;
@@ -268,6 +253,12 @@ void __init sclp_hsa_size_detect(void)
if (size < 0)
return;
out:
- sclp_set_event_mask(0, 0);
sclp_hsa_size = size;
}
+
+void __init sclp_early_detect(void)
+{
+ sclp_facilities_detect();
+ sclp_hsa_size_detect();
+ sclp_set_event_mask(0, 0);
+}