summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-davinci/psc.c
diff options
context:
space:
mode:
authorCyril Chemparathy <cyril@ti.com>2010-05-07 17:06:36 -0400
committerKevin Hilman <khilman@deeprootsystems.com>2010-05-13 10:05:27 -0700
commite4c822c7e98cdda78b10a696b030fc20b22dcab4 (patch)
tree95a1ec13b404369fbc5104aed64adf29a8f78709 /arch/arm/mach-davinci/psc.c
parent1bcd38ad2de4c1cd30387c588dfb28d637d4111d (diff)
downloadop-kernel-dev-e4c822c7e98cdda78b10a696b030fc20b22dcab4.zip
op-kernel-dev-e4c822c7e98cdda78b10a696b030fc20b22dcab4.tar.gz
Davinci: psc - use ioremap()
This patch modifies the psc and clock control code to use ioremap()ed registers. Signed-off-by: Cyril Chemparathy <cyril@ti.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Diffstat (limited to 'arch/arm/mach-davinci/psc.c')
-rw-r--r--arch/arm/mach-davinci/psc.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/arm/mach-davinci/psc.c b/arch/arm/mach-davinci/psc.c
index d7cb438..1b15dbd 100644
--- a/arch/arm/mach-davinci/psc.c
+++ b/arch/arm/mach-davinci/psc.c
@@ -38,8 +38,9 @@ int __init davinci_psc_is_clk_active(unsigned int ctlr, unsigned int id)
return 0;
}
- psc_base = soc_info->psc_bases[ctlr];
+ psc_base = ioremap(soc_info->psc_bases[ctlr], SZ_4K);
mdstat = __raw_readl(psc_base + MDSTAT + 4 * id);
+ iounmap(psc_base);
/* if clocked, state can be "Enable" or "SyncReset" */
return mdstat & BIT(12);
@@ -59,7 +60,7 @@ void davinci_psc_config(unsigned int domain, unsigned int ctlr,
return;
}
- psc_base = soc_info->psc_bases[ctlr];
+ psc_base = ioremap(soc_info->psc_bases[ctlr], SZ_4K);
mdctl = __raw_readl(psc_base + MDCTL + 4 * id);
mdctl &= ~MDSTAT_STATE_MASK;
@@ -99,4 +100,6 @@ void davinci_psc_config(unsigned int domain, unsigned int ctlr,
do {
mdstat = __raw_readl(psc_base + MDSTAT + 4 * id);
} while (!((mdstat & MDSTAT_STATE_MASK) == next_state));
+
+ iounmap(psc_base);
}
OpenPOWER on IntegriCloud