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[S390] sclp: avoid 64 bit division

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Avoid 64 bit division to fix this compile error on 32 bit:
drivers/s390/char/sclp_cmd.c:711: undefined reference to `__udivdi3'

Also move the whole arch_get_memory_phys_device function to the
memory hotplug related functions.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens 2010-03-24 11:49:55 +01:00 committed by Martin Schwidefsky
parent b8fde7224d
commit 9c95258c0d
1 changed files with 7 additions and 7 deletions
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14
drivers/s390/char/sclp_cmd.c
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@ -308,6 +308,13 @@ struct assign_storage_sccb {
u16 rn; u16 rn;
} __packed; } __packed;
int arch_get_memory_phys_device(unsigned long start_pfn)
{
if (!rzm)
return 0;
return PFN_PHYS(start_pfn) >> ilog2(rzm);
}
static unsigned long long rn2addr(u16 rn) static unsigned long long rn2addr(u16 rn)
{ {
return (unsigned long long) (rn - 1) * rzm; return (unsigned long long) (rn - 1) * rzm;
@ -704,13 +711,6 @@ int sclp_chp_deconfigure(struct chp_id chpid)
return do_chp_configure(SCLP_CMDW_DECONFIGURE_CHPATH | chpid.id << 8); return do_chp_configure(SCLP_CMDW_DECONFIGURE_CHPATH | chpid.id << 8);
} }
int arch_get_memory_phys_device(unsigned long start_pfn)
{
if (!rzm)
return 0;
return PFN_PHYS(start_pfn) / rzm;
}
struct chp_info_sccb { struct chp_info_sccb {
struct sccb_header header; struct sccb_header header;
u8 recognized[SCLP_CHP_INFO_MASK_SIZE]; u8 recognized[SCLP_CHP_INFO_MASK_SIZE];