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path: root/drivers/clk/h8300/clk-h8s2678.c
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Diffstat (limited to 'drivers/clk/h8300/clk-h8s2678.c')
-rw-r--r--drivers/clk/h8300/clk-h8s2678.c21
1 files changed, 9 insertions, 12 deletions
diff --git a/drivers/clk/h8300/clk-h8s2678.c b/drivers/clk/h8300/clk-h8s2678.c
index 4701b093e..6cf38dc1c 100644
--- a/drivers/clk/h8300/clk-h8s2678.c
+++ b/drivers/clk/h8300/clk-h8s2678.c
@@ -4,12 +4,11 @@
* Copyright 2015 Yoshinori Sato <ysato@users.sourceforge.jp>
*/
-#include <linux/clk.h>
-#include <linux/clkdev.h>
#include <linux/clk-provider.h>
#include <linux/err.h>
#include <linux/device.h>
#include <linux/of_address.h>
+#include <linux/slab.h>
static DEFINE_SPINLOCK(clklock);
@@ -28,7 +27,7 @@ static unsigned long pll_recalc_rate(struct clk_hw *hw,
unsigned long parent_rate)
{
struct pll_clock *pll_clock = to_pll_clock(hw);
- int mul = 1 << (ctrl_inb((unsigned long)pll_clock->pllcr) & 3);
+ int mul = 1 << (readb(pll_clock->pllcr) & 3);
return parent_rate * mul;
}
@@ -65,13 +64,13 @@ static int pll_set_rate(struct clk_hw *hw, unsigned long rate,
pll = ((rate / parent_rate) / 2) & 0x03;
spin_lock_irqsave(&clklock, flags);
- val = ctrl_inb((unsigned long)pll_clock->sckcr);
+ val = readb(pll_clock->sckcr);
val |= 0x08;
- ctrl_outb(val, (unsigned long)pll_clock->sckcr);
- val = ctrl_inb((unsigned long)pll_clock->pllcr);
+ writeb(val, pll_clock->sckcr);
+ val = readb(pll_clock->pllcr);
val &= ~0x03;
val |= pll;
- ctrl_outb(val, (unsigned long)pll_clock->pllcr);
+ writeb(val, pll_clock->pllcr);
spin_unlock_irqrestore(&clklock, flags);
return 0;
}
@@ -84,7 +83,7 @@ static const struct clk_ops pll_ops = {
static void __init h8s2678_pll_clk_setup(struct device_node *node)
{
- unsigned int num_parents;
+ int num_parents;
struct clk *clk;
const char *clk_name = node->name;
const char *parent_name;
@@ -98,11 +97,9 @@ static void __init h8s2678_pll_clk_setup(struct device_node *node)
}
- pll_clock = kzalloc(sizeof(struct pll_clock), GFP_KERNEL);
- if (!pll_clock) {
- pr_err("%s: failed to alloc memory", clk_name);
+ pll_clock = kzalloc(sizeof(*pll_clock), GFP_KERNEL);
+ if (!pll_clock)
return;
- }
pll_clock->sckcr = of_iomap(node, 0);
if (pll_clock->sckcr == NULL) {