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>

1 files changed, 5 insertions, 2 deletions

diff --git a/arch/arm/mach-davinci/psc.c b/arch/arm/mach-davinci/psc.c
index d7cb438c4df..1b15dbd0a77 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);
 }