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authorMagnus Damm <damm@opensource.se>2011-12-08 22:59:22 +0900
committerPaul Mundt <lethal@linux-sh.org>2011-12-09 18:04:14 +0900
commit2dacb97d9269e303ed761937a0e9db8711515e08 (patch)
tree1a26c9587b2008d4bd146ef32bdf36e42a0d6772 /drivers/sh/clk
parent0e027376f896e5dda293ffc8e6e7332d26d2ffc4 (diff)
downloadlinux-2dacb97d9269e303ed761937a0e9db8711515e08.tar.bz2
sh: use ioread32/iowrite32 and mapped_reg for div6
Convert the CPG DIV6 helper code to use the new mapped_reg together with ioread32() and iowrite32(). Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'drivers/sh/clk')
-rw-r--r--drivers/sh/clk/cpg.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/sh/clk/cpg.c b/drivers/sh/clk/cpg.c
index e4a2edf139f7..a0d8faa40baa 100644
--- a/drivers/sh/clk/cpg.c
+++ b/drivers/sh/clk/cpg.c
@@ -72,7 +72,7 @@ static unsigned long sh_clk_div6_recalc(struct clk *clk)
clk_rate_table_build(clk, clk->freq_table, table->nr_divisors,
table, NULL);
- idx = __raw_readl(clk->enable_reg) & 0x003f;
+ idx = ioread32(clk->mapped_reg) & 0x003f;
return clk->freq_table[idx].frequency;
}
@@ -98,10 +98,10 @@ static int sh_clk_div6_set_parent(struct clk *clk, struct clk *parent)
if (ret < 0)
return ret;
- value = __raw_readl(clk->enable_reg) &
+ value = ioread32(clk->mapped_reg) &
~(((1 << clk->src_width) - 1) << clk->src_shift);
- __raw_writel(value | (i << clk->src_shift), clk->enable_reg);
+ iowrite32(value | (i << clk->src_shift), clk->mapped_reg);
/* Rebuild the frequency table */
clk_rate_table_build(clk, clk->freq_table, table->nr_divisors,
@@ -119,10 +119,10 @@ static int sh_clk_div6_set_rate(struct clk *clk, unsigned long rate)
if (idx < 0)
return idx;
- value = __raw_readl(clk->enable_reg);
+ value = ioread32(clk->mapped_reg);
value &= ~0x3f;
value |= idx;
- __raw_writel(value, clk->enable_reg);
+ iowrite32(value, clk->mapped_reg);
return 0;
}
@@ -133,9 +133,9 @@ static int sh_clk_div6_enable(struct clk *clk)
ret = sh_clk_div6_set_rate(clk, clk->rate);
if (ret == 0) {
- value = __raw_readl(clk->enable_reg);
+ value = ioread32(clk->mapped_reg);
value &= ~0x100; /* clear stop bit to enable clock */
- __raw_writel(value, clk->enable_reg);
+ iowrite32(value, clk->mapped_reg);
}
return ret;
}
@@ -144,10 +144,10 @@ static void sh_clk_div6_disable(struct clk *clk)
{
unsigned long value;
- value = __raw_readl(clk->enable_reg);
+ value = ioread32(clk->mapped_reg);
value |= 0x100; /* stop clock */
value |= 0x3f; /* VDIV bits must be non-zero, overwrite divider */
- __raw_writel(value, clk->enable_reg);
+ iowrite32(value, clk->mapped_reg);
}
static struct clk_ops sh_clk_div6_clk_ops = {
@@ -182,7 +182,7 @@ static int __init sh_clk_init_parent(struct clk *clk)
return -EINVAL;
}
- val = (__raw_readl(clk->enable_reg) >> clk->src_shift);
+ val = (ioread32(clk->mapped_reg) >> clk->src_shift);
val &= (1 << clk->src_width) - 1;
if (val >= clk->parent_num) {