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authorBen Dooks <ben-linux@fluff.org>2010-01-30 01:02:58 -0500
committerBen Dooks <ben-linux@fluff.org>2010-01-30 02:25:01 -0500
commit4ec07bba6945290c48dcc5b789cbd7adeabd7695 (patch)
tree3f72de5a5a133ece5b5d36220809b32e08425651 /arch/arm/mach-s3c2443
parent87aef30eb3c5dac0491c83fe3b90bc61f1df24ec (diff)
ARM: S3C2443: Use common clock gate code
Add common clock gate code for each of the S3C2443 clock gate code. Whether to move this elsewhere will be decided later. Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Diffstat (limited to 'arch/arm/mach-s3c2443')
-rw-r--r--arch/arm/mach-s3c2443/clock.c48
1 files changed, 13 insertions, 35 deletions
diff --git a/arch/arm/mach-s3c2443/clock.c b/arch/arm/mach-s3c2443/clock.c
index 3eb8b935d64c..5d061ea0c513 100644
--- a/arch/arm/mach-s3c2443/clock.c
+++ b/arch/arm/mach-s3c2443/clock.c
@@ -53,55 +53,33 @@
53 * set the correct muxing at initialisation 53 * set the correct muxing at initialisation
54*/ 54*/
55 55
56static int s3c2443_clkcon_enable_h(struct clk *clk, int enable) 56static int s3c2443_gate(void __iomem *reg, struct clk *clk, int enable)
57{ 57{
58 unsigned int clocks = clk->ctrlbit; 58 u32 ctrlbit = clk->ctrlbit;
59 unsigned long clkcon; 59 u32 con = __raw_readl(reg);
60
61 clkcon = __raw_readl(S3C2443_HCLKCON);
62 60
63 if (enable) 61 if (enable)
64 clkcon |= clocks; 62 con |= ctrlbit;
65 else 63 else
66 clkcon &= ~clocks; 64 con &= ~ctrlbit;
67
68 __raw_writel(clkcon, S3C2443_HCLKCON);
69 65
66 __raw_writel(con, reg);
70 return 0; 67 return 0;
71} 68}
72 69
73static int s3c2443_clkcon_enable_p(struct clk *clk, int enable) 70static int s3c2443_clkcon_enable_h(struct clk *clk, int enable)
74{ 71{
75 unsigned int clocks = clk->ctrlbit; 72 return s3c2443_gate(S3C2443_HCLKCON, clk, enable);
76 unsigned long clkcon; 73}
77
78 clkcon = __raw_readl(S3C2443_PCLKCON);
79
80 if (enable)
81 clkcon |= clocks;
82 else
83 clkcon &= ~clocks;
84
85 __raw_writel(clkcon, S3C2443_PCLKCON);
86 74
87 return 0; 75static int s3c2443_clkcon_enable_p(struct clk *clk, int enable)
76{
77 return s3c2443_gate(S3C2443_PCLKCON, clk, enable);
88} 78}
89 79
90static int s3c2443_clkcon_enable_s(struct clk *clk, int enable) 80static int s3c2443_clkcon_enable_s(struct clk *clk, int enable)
91{ 81{
92 unsigned int clocks = clk->ctrlbit; 82 return s3c2443_gate(S3C2443_SCLKCON, clk, enable);
93 unsigned long clkcon;
94
95 clkcon = __raw_readl(S3C2443_SCLKCON);
96
97 if (enable)
98 clkcon |= clocks;
99 else
100 clkcon &= ~clocks;
101
102 __raw_writel(clkcon, S3C2443_SCLKCON);
103
104 return 0;
105} 83}
106 84
107static unsigned long s3c2443_roundrate_clksrc(struct clk *clk, 85static unsigned long s3c2443_roundrate_clksrc(struct clk *clk,