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path: root/drivers/input/serio/ambakmi.c
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Diffstat (limited to 'drivers/input/serio/ambakmi.c')
-rw-r--r--drivers/input/serio/ambakmi.c15
1 files changed, 4 insertions, 11 deletions
diff --git a/drivers/input/serio/ambakmi.c b/drivers/input/serio/ambakmi.c
index 9b1ab5e7a98..3df5eedf8f3 100644
--- a/drivers/input/serio/ambakmi.c
+++ b/drivers/input/serio/ambakmi.c
@@ -19,12 +19,12 @@
19#include <linux/delay.h> 19#include <linux/delay.h>
20#include <linux/slab.h> 20#include <linux/slab.h>
21#include <linux/err.h> 21#include <linux/err.h>
22#include <linux/amba/bus.h>
23#include <linux/amba/kmi.h>
24#include <linux/clk.h>
22 25
23#include <asm/io.h> 26#include <asm/io.h>
24#include <asm/irq.h> 27#include <asm/irq.h>
25#include <asm/hardware/amba.h>
26#include <asm/hardware/amba_kmi.h>
27#include <asm/hardware/clock.h>
28 28
29#define KMI_BASE (kmi->base) 29#define KMI_BASE (kmi->base)
30 30
@@ -72,13 +72,9 @@ static int amba_kmi_open(struct serio *io)
72 unsigned int divisor; 72 unsigned int divisor;
73 int ret; 73 int ret;
74 74
75 ret = clk_use(kmi->clk);
76 if (ret)
77 goto out;
78
79 ret = clk_enable(kmi->clk); 75 ret = clk_enable(kmi->clk);
80 if (ret) 76 if (ret)
81 goto clk_unuse; 77 goto out;
82 78
83 divisor = clk_get_rate(kmi->clk) / 8000000 - 1; 79 divisor = clk_get_rate(kmi->clk) / 8000000 - 1;
84 writeb(divisor, KMICLKDIV); 80 writeb(divisor, KMICLKDIV);
@@ -97,8 +93,6 @@ static int amba_kmi_open(struct serio *io)
97 93
98 clk_disable: 94 clk_disable:
99 clk_disable(kmi->clk); 95 clk_disable(kmi->clk);
100 clk_unuse:
101 clk_unuse(kmi->clk);
102 out: 96 out:
103 return ret; 97 return ret;
104} 98}
@@ -111,7 +105,6 @@ static void amba_kmi_close(struct serio *io)
111 105
112 free_irq(kmi->irq, kmi); 106 free_irq(kmi->irq, kmi);
113 clk_disable(kmi->clk); 107 clk_disable(kmi->clk);
114 clk_unuse(kmi->clk);
115} 108}
116 109
117static int amba_kmi_probe(struct amba_device *dev, void *id) 110static int amba_kmi_probe(struct amba_device *dev, void *id)