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-rw-r--r--drivers/clk/clk.c26
-rw-r--r--drivers/clk/mxs/clk-imx23.c12
-rw-r--r--drivers/clk/mxs/clk-imx28.c32
-rw-r--r--drivers/clk/spear/spear6xx_clock.c2
4 files changed, 40 insertions, 32 deletions
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 687b00d67c8..dcbe0561609 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -850,18 +850,21 @@ static void clk_change_rate(struct clk *clk)
{
struct clk *child;
unsigned long old_rate;
+ unsigned long best_parent_rate = 0;
struct hlist_node *tmp;
old_rate = clk->rate;
+ if (clk->parent)
+ best_parent_rate = clk->parent->rate;
+
if (clk->ops->set_rate)
- clk->ops->set_rate(clk->hw, clk->new_rate, clk->parent->rate);
+ clk->ops->set_rate(clk->hw, clk->new_rate, best_parent_rate);
if (clk->ops->recalc_rate)
- clk->rate = clk->ops->recalc_rate(clk->hw,
- clk->parent->rate);
+ clk->rate = clk->ops->recalc_rate(clk->hw, best_parent_rate);
else
- clk->rate = clk->parent->rate;
+ clk->rate = best_parent_rate;
if (clk->notifier_count && old_rate != clk->rate)
__clk_notify(clk, POST_RATE_CHANGE, old_rate, clk->rate);
@@ -999,7 +1002,7 @@ static struct clk *__clk_init_parent(struct clk *clk)
if (!clk->parents)
clk->parents =
- kmalloc((sizeof(struct clk*) * clk->num_parents),
+ kzalloc((sizeof(struct clk*) * clk->num_parents),
GFP_KERNEL);
if (!clk->parents)
@@ -1065,9 +1068,13 @@ static int __clk_set_parent(struct clk *clk, struct clk *parent)
old_parent = clk->parent;
/* find index of new parent clock using cached parent ptrs */
- for (i = 0; i < clk->num_parents; i++)
- if (clk->parents[i] == parent)
- break;
+ if (clk->parents)
+ for (i = 0; i < clk->num_parents; i++)
+ if (clk->parents[i] == parent)
+ break;
+ else
+ clk->parents = kzalloc((sizeof(struct clk*) * clk->num_parents),
+ GFP_KERNEL);
/*
* find index of new parent clock using string name comparison
@@ -1076,7 +1083,8 @@ static int __clk_set_parent(struct clk *clk, struct clk *parent)
if (i == clk->num_parents)
for (i = 0; i < clk->num_parents; i++)
if (!strcmp(clk->parent_names[i], parent->name)) {
- clk->parents[i] = __clk_lookup(parent->name);
+ if (clk->parents)
+ clk->parents[i] = __clk_lookup(parent->name);
break;
}
diff --git a/drivers/clk/mxs/clk-imx23.c b/drivers/clk/mxs/clk-imx23.c
index f7be225f544..db2391c054e 100644
--- a/drivers/clk/mxs/clk-imx23.c
+++ b/drivers/clk/mxs/clk-imx23.c
@@ -71,7 +71,7 @@ static void __init clk_misc_init(void)
__mxs_setl(30 << BP_FRAC_IOFRAC, FRAC);
}
-static struct clk_lookup uart_lookups[] __initdata = {
+static struct clk_lookup uart_lookups[] = {
{ .dev_id = "duart", },
{ .dev_id = "mxs-auart.0", },
{ .dev_id = "mxs-auart.1", },
@@ -80,31 +80,31 @@ static struct clk_lookup uart_lookups[] __initdata = {
{ .dev_id = "80070000.serial", },
};
-static struct clk_lookup hbus_lookups[] __initdata = {
+static struct clk_lookup hbus_lookups[] = {
{ .dev_id = "imx23-dma-apbh", },
{ .dev_id = "80004000.dma-apbh", },
};
-static struct clk_lookup xbus_lookups[] __initdata = {
+static struct clk_lookup xbus_lookups[] = {
{ .dev_id = "duart", .con_id = "apb_pclk"},
{ .dev_id = "80070000.serial", .con_id = "apb_pclk"},
{ .dev_id = "imx23-dma-apbx", },
{ .dev_id = "80024000.dma-apbx", },
};
-static struct clk_lookup ssp_lookups[] __initdata = {
+static struct clk_lookup ssp_lookups[] = {
{ .dev_id = "imx23-mmc.0", },
{ .dev_id = "imx23-mmc.1", },
{ .dev_id = "80010000.ssp", },
{ .dev_id = "80034000.ssp", },
};
-static struct clk_lookup lcdif_lookups[] __initdata = {
+static struct clk_lookup lcdif_lookups[] = {
{ .dev_id = "imx23-fb", },
{ .dev_id = "80030000.lcdif", },
};
-static struct clk_lookup gpmi_lookups[] __initdata = {
+static struct clk_lookup gpmi_lookups[] = {
{ .dev_id = "imx23-gpmi-nand", },
{ .dev_id = "8000c000.gpmi", },
};
diff --git a/drivers/clk/mxs/clk-imx28.c b/drivers/clk/mxs/clk-imx28.c
index 2826a2606a2..7fad6c8c13d 100644
--- a/drivers/clk/mxs/clk-imx28.c
+++ b/drivers/clk/mxs/clk-imx28.c
@@ -120,7 +120,7 @@ static void __init clk_misc_init(void)
writel_relaxed(val, FRAC0);
}
-static struct clk_lookup uart_lookups[] __initdata = {
+static struct clk_lookup uart_lookups[] = {
{ .dev_id = "duart", },
{ .dev_id = "mxs-auart.0", },
{ .dev_id = "mxs-auart.1", },
@@ -135,71 +135,71 @@ static struct clk_lookup uart_lookups[] __initdata = {
{ .dev_id = "80074000.serial", },
};
-static struct clk_lookup hbus_lookups[] __initdata = {
+static struct clk_lookup hbus_lookups[] = {
{ .dev_id = "imx28-dma-apbh", },
{ .dev_id = "80004000.dma-apbh", },
};
-static struct clk_lookup xbus_lookups[] __initdata = {
+static struct clk_lookup xbus_lookups[] = {
{ .dev_id = "duart", .con_id = "apb_pclk"},
{ .dev_id = "80074000.serial", .con_id = "apb_pclk"},
{ .dev_id = "imx28-dma-apbx", },
{ .dev_id = "80024000.dma-apbx", },
};
-static struct clk_lookup ssp0_lookups[] __initdata = {
+static struct clk_lookup ssp0_lookups[] = {
{ .dev_id = "imx28-mmc.0", },
{ .dev_id = "80010000.ssp", },
};
-static struct clk_lookup ssp1_lookups[] __initdata = {
+static struct clk_lookup ssp1_lookups[] = {
{ .dev_id = "imx28-mmc.1", },
{ .dev_id = "80012000.ssp", },
};
-static struct clk_lookup ssp2_lookups[] __initdata = {
+static struct clk_lookup ssp2_lookups[] = {
{ .dev_id = "imx28-mmc.2", },
{ .dev_id = "80014000.ssp", },
};
-static struct clk_lookup ssp3_lookups[] __initdata = {
+static struct clk_lookup ssp3_lookups[] = {
{ .dev_id = "imx28-mmc.3", },
{ .dev_id = "80016000.ssp", },
};
-static struct clk_lookup lcdif_lookups[] __initdata = {
+static struct clk_lookup lcdif_lookups[] = {
{ .dev_id = "imx28-fb", },
{ .dev_id = "80030000.lcdif", },
};
-static struct clk_lookup gpmi_lookups[] __initdata = {
+static struct clk_lookup gpmi_lookups[] = {
{ .dev_id = "imx28-gpmi-nand", },
{ .dev_id = "8000c000.gpmi", },
};
-static struct clk_lookup fec_lookups[] __initdata = {
+static struct clk_lookup fec_lookups[] = {
{ .dev_id = "imx28-fec.0", },
{ .dev_id = "imx28-fec.1", },
{ .dev_id = "800f0000.ethernet", },
{ .dev_id = "800f4000.ethernet", },
};
-static struct clk_lookup can0_lookups[] __initdata = {
+static struct clk_lookup can0_lookups[] = {
{ .dev_id = "flexcan.0", },
{ .dev_id = "80032000.can", },
};
-static struct clk_lookup can1_lookups[] __initdata = {
+static struct clk_lookup can1_lookups[] = {
{ .dev_id = "flexcan.1", },
{ .dev_id = "80034000.can", },
};
-static struct clk_lookup saif0_lookups[] __initdata = {
+static struct clk_lookup saif0_lookups[] = {
{ .dev_id = "mxs-saif.0", },
{ .dev_id = "80042000.saif", },
};
-static struct clk_lookup saif1_lookups[] __initdata = {
+static struct clk_lookup saif1_lookups[] = {
{ .dev_id = "mxs-saif.1", },
{ .dev_id = "80046000.saif", },
};
@@ -245,8 +245,8 @@ int __init mx28_clocks_init(void)
clks[pll2] = mxs_clk_pll("pll2", "ref_xtal", PLL2CTRL0, 23, 50000000);
clks[ref_cpu] = mxs_clk_ref("ref_cpu", "pll0", FRAC0, 0);
clks[ref_emi] = mxs_clk_ref("ref_emi", "pll0", FRAC0, 1);
- clks[ref_io0] = mxs_clk_ref("ref_io0", "pll0", FRAC0, 2);
- clks[ref_io1] = mxs_clk_ref("ref_io1", "pll0", FRAC0, 3);
+ clks[ref_io1] = mxs_clk_ref("ref_io1", "pll0", FRAC0, 2);
+ clks[ref_io0] = mxs_clk_ref("ref_io0", "pll0", FRAC0, 3);
clks[ref_pix] = mxs_clk_ref("ref_pix", "pll0", FRAC1, 0);
clks[ref_hsadc] = mxs_clk_ref("ref_hsadc", "pll0", FRAC1, 1);
clks[ref_gpmi] = mxs_clk_ref("ref_gpmi", "pll0", FRAC1, 2);
diff --git a/drivers/clk/spear/spear6xx_clock.c b/drivers/clk/spear/spear6xx_clock.c
index 554d64b062a..61026ae564a 100644
--- a/drivers/clk/spear/spear6xx_clock.c
+++ b/drivers/clk/spear/spear6xx_clock.c
@@ -298,7 +298,7 @@ void __init spear6xx_clk_init(void)
clk = clk_register_gate(NULL, "gmac_clk", "ahb_clk", 0, PERIP1_CLK_ENB,
GMAC_CLK_ENB, 0, &_lock);
- clk_register_clkdev(clk, NULL, "gmac");
+ clk_register_clkdev(clk, NULL, "e0800000.ethernet");
clk = clk_register_gate(NULL, "i2c_clk", "ahb_clk", 0, PERIP1_CLK_ENB,
I2C_CLK_ENB, 0, &_lock);