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Commit fd7e4296 authored by Madhavan Srinivasan's avatar Madhavan Srinivasan Committed by Benjamin Herrenschmidt
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powerpc/kernel/sysfs: Cleanup set up macros for PMC/non-PMC SPRs 



Currently PMC (Performance Monitor Counter) setup macros are used
for other SPRs. Since not all SPRs are PMC related, this patch
modifies the exisiting macro and uses it to setup both PMC and
non PMC SPRs accordingly.

Signed-off-by: default avatarMadhavan Srinivasan <maddy@linux.vnet.ibm.com>
Acked-by: default avatarOlof Johansson <olof@lixom.net>
Acked-by: default avatarMichael Ellerman <michael@ellerman.id.au>
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent c041cfa2

arch/powerpc/kernel/sysfs.c

+38 −34
Original line number Diff line number Diff line
@@ -108,14 +108,14 @@ void ppc_enable_pmcs(void) 
}

EXPORT_SYMBOL(ppc_enable_pmcs);



#define SYSFS_PMCSETUP(NAME, ADDRESS) \

#define __SYSFS_SPRSETUP(NAME, ADDRESS, EXTRA) \

static void read_##NAME(void *val) \

{ \

	*(unsigned long *)val = mfspr(ADDRESS);	\

} \

static void write_##NAME(void *val) \

{ \

	ppc_enable_pmcs(); \

	EXTRA; \

	mtspr(ADDRESS, *(unsigned long *)val);	\

} \

static ssize_t show_##NAME(struct device *dev, \
@@ -140,6 +140,10 @@ static ssize_t __used \ 
	return count; \

}



#define SYSFS_PMCSETUP(NAME, ADDRESS)	\

	__SYSFS_SPRSETUP(NAME, ADDRESS, ppc_enable_pmcs())

#define SYSFS_SPRSETUP(NAME, ADDRESS)	\

	__SYSFS_SPRSETUP(NAME, ADDRESS, )



/* Let's define all possible registers, we'll only hook up the ones

 * that are implemented on the current processor
@@ -175,10 +179,10 @@ SYSFS_PMCSETUP(pmc7, SPRN_PMC7); 
SYSFS_PMCSETUP(pmc8, SPRN_PMC8);



SYSFS_PMCSETUP(mmcra, SPRN_MMCRA);

SYSFS_PMCSETUP(purr, SPRN_PURR);

SYSFS_PMCSETUP(spurr, SPRN_SPURR);

SYSFS_PMCSETUP(dscr, SPRN_DSCR);

SYSFS_PMCSETUP(pir, SPRN_PIR);

SYSFS_SPRSETUP(purr, SPRN_PURR);

SYSFS_SPRSETUP(spurr, SPRN_SPURR);

SYSFS_SPRSETUP(dscr, SPRN_DSCR);

SYSFS_SPRSETUP(pir, SPRN_PIR);



/*

  Lets only enable read for phyp resources and
@@ -249,34 +253,34 @@ SYSFS_PMCSETUP(pa6t_pmc3, SPRN_PA6T_PMC3); 
SYSFS_PMCSETUP(pa6t_pmc4, SPRN_PA6T_PMC4);

SYSFS_PMCSETUP(pa6t_pmc5, SPRN_PA6T_PMC5);

#ifdef CONFIG_DEBUG_KERNEL

SYSFS_PMCSETUP(hid0, SPRN_HID0);

SYSFS_PMCSETUP(hid1, SPRN_HID1);

SYSFS_PMCSETUP(hid4, SPRN_HID4);

SYSFS_PMCSETUP(hid5, SPRN_HID5);

SYSFS_PMCSETUP(ima0, SPRN_PA6T_IMA0);

SYSFS_PMCSETUP(ima1, SPRN_PA6T_IMA1);

SYSFS_PMCSETUP(ima2, SPRN_PA6T_IMA2);

SYSFS_PMCSETUP(ima3, SPRN_PA6T_IMA3);

SYSFS_PMCSETUP(ima4, SPRN_PA6T_IMA4);

SYSFS_PMCSETUP(ima5, SPRN_PA6T_IMA5);

SYSFS_PMCSETUP(ima6, SPRN_PA6T_IMA6);

SYSFS_PMCSETUP(ima7, SPRN_PA6T_IMA7);

SYSFS_PMCSETUP(ima8, SPRN_PA6T_IMA8);

SYSFS_PMCSETUP(ima9, SPRN_PA6T_IMA9);

SYSFS_PMCSETUP(imaat, SPRN_PA6T_IMAAT);

SYSFS_PMCSETUP(btcr, SPRN_PA6T_BTCR);

SYSFS_PMCSETUP(pccr, SPRN_PA6T_PCCR);

SYSFS_PMCSETUP(rpccr, SPRN_PA6T_RPCCR);

SYSFS_PMCSETUP(der, SPRN_PA6T_DER);

SYSFS_PMCSETUP(mer, SPRN_PA6T_MER);

SYSFS_PMCSETUP(ber, SPRN_PA6T_BER);

SYSFS_PMCSETUP(ier, SPRN_PA6T_IER);

SYSFS_PMCSETUP(sier, SPRN_PA6T_SIER);

SYSFS_PMCSETUP(siar, SPRN_PA6T_SIAR);

SYSFS_PMCSETUP(tsr0, SPRN_PA6T_TSR0);

SYSFS_PMCSETUP(tsr1, SPRN_PA6T_TSR1);

SYSFS_PMCSETUP(tsr2, SPRN_PA6T_TSR2);

SYSFS_PMCSETUP(tsr3, SPRN_PA6T_TSR3);

SYSFS_SPRSETUP(hid0, SPRN_HID0);

SYSFS_SPRSETUP(hid1, SPRN_HID1);

SYSFS_SPRSETUP(hid4, SPRN_HID4);

SYSFS_SPRSETUP(hid5, SPRN_HID5);

SYSFS_SPRSETUP(ima0, SPRN_PA6T_IMA0);

SYSFS_SPRSETUP(ima1, SPRN_PA6T_IMA1);

SYSFS_SPRSETUP(ima2, SPRN_PA6T_IMA2);

SYSFS_SPRSETUP(ima3, SPRN_PA6T_IMA3);

SYSFS_SPRSETUP(ima4, SPRN_PA6T_IMA4);

SYSFS_SPRSETUP(ima5, SPRN_PA6T_IMA5);

SYSFS_SPRSETUP(ima6, SPRN_PA6T_IMA6);

SYSFS_SPRSETUP(ima7, SPRN_PA6T_IMA7);

SYSFS_SPRSETUP(ima8, SPRN_PA6T_IMA8);

SYSFS_SPRSETUP(ima9, SPRN_PA6T_IMA9);

SYSFS_SPRSETUP(imaat, SPRN_PA6T_IMAAT);

SYSFS_SPRSETUP(btcr, SPRN_PA6T_BTCR);

SYSFS_SPRSETUP(pccr, SPRN_PA6T_PCCR);

SYSFS_SPRSETUP(rpccr, SPRN_PA6T_RPCCR);

SYSFS_SPRSETUP(der, SPRN_PA6T_DER);

SYSFS_SPRSETUP(mer, SPRN_PA6T_MER);

SYSFS_SPRSETUP(ber, SPRN_PA6T_BER);

SYSFS_SPRSETUP(ier, SPRN_PA6T_IER);

SYSFS_SPRSETUP(sier, SPRN_PA6T_SIER);

SYSFS_SPRSETUP(siar, SPRN_PA6T_SIAR);

SYSFS_SPRSETUP(tsr0, SPRN_PA6T_TSR0);

SYSFS_SPRSETUP(tsr1, SPRN_PA6T_TSR1);

SYSFS_SPRSETUP(tsr2, SPRN_PA6T_TSR2);

SYSFS_SPRSETUP(tsr3, SPRN_PA6T_TSR3);

#endif /* CONFIG_DEBUG_KERNEL */

#endif /* HAS_PPC_PMC_PA6T */