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Commit 9c95258c authored by Heiko Carstens's avatar Heiko Carstens Committed by Martin Schwidefsky
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[S390] sclp: avoid 64 bit division 



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: default avatarHeiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent b8fde722

drivers/s390/char/sclp_cmd.c

+7 −7
Original line number Diff line number Diff line
@@ -308,6 +308,13 @@ struct assign_storage_sccb { 
	u16 rn;

} __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)

{

	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);

}



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 sccb_header header;

	u8 recognized[SCLP_CHP_INFO_MASK_SIZE];