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, 11 insertions, 3 deletions

diff --git a/arch/arm/mach-davinci/clock.c b/arch/arm/mach-davinci/clock.c
index 868cb7693499..054c303caead 100644
--- a/arch/arm/mach-davinci/clock.c
+++ b/arch/arm/mach-davinci/clock.c
@@ -302,7 +302,6 @@ static unsigned long clk_pllclk_recalc(struct clk *clk)
         struct pll_data *pll = clk->pll_data;
         unsigned long rate = clk->rate;
 
-        pll->base = IO_ADDRESS(pll->phys_base);
         ctrl = __raw_readl(pll->base + PLLCTL);
         rate = pll->input_rate = clk->parent->rate;
 
@@ -458,8 +457,17 @@ int __init davinci_clk_init(struct clk_lookup *clocks)
                                 clk->recalc = clk_leafclk_recalc;
                 }
 
-                if (clk->pll_data && !clk->pll_data->div_ratio_mask)
-                        clk->pll_data->div_ratio_mask = PLLDIV_RATIO_MASK;
+                if (clk->pll_data) {
+                        struct pll_data *pll = clk->pll_data;
+
+                        if (!pll->div_ratio_mask)
+                                pll->div_ratio_mask = PLLDIV_RATIO_MASK;
+
+                        if (pll->phys_base && !pll->base) {
+                                pll->base = ioremap(pll->phys_base, SZ_4K);
+                                WARN_ON(!pll->base);
+                        }
+                }
 
                 if (clk->recalc)
                         clk->rate = clk->recalc(clk);