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author | Ben Dooks <ben-linux@fluff.org> | 2010-01-30 15:02:58 +0900 |
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committer | Ben Dooks <ben-linux@fluff.org> | 2010-01-30 09:25:01 +0200 |
commit | 4ec07bba6945290c48dcc5b789cbd7adeabd7695 (patch) | |
tree | 3f72de5a5a133ece5b5d36220809b32e08425651 /arch | |
parent | 87aef30eb3c5dac0491c83fe3b90bc61f1df24ec (diff) | |
download | linux-stable-4ec07bba6945290c48dcc5b789cbd7adeabd7695.tar.gz linux-stable-4ec07bba6945290c48dcc5b789cbd7adeabd7695.tar.bz2 linux-stable-4ec07bba6945290c48dcc5b789cbd7adeabd7695.zip |
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')
-rw-r--r-- | arch/arm/mach-s3c2443/clock.c | 48 |
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 @@ * set the correct muxing at initialisation */ -static int s3c2443_clkcon_enable_h(struct clk *clk, int enable) +static int s3c2443_gate(void __iomem *reg, struct clk *clk, int enable) { - unsigned int clocks = clk->ctrlbit; - unsigned long clkcon; - - clkcon = __raw_readl(S3C2443_HCLKCON); + u32 ctrlbit = clk->ctrlbit; + u32 con = __raw_readl(reg); if (enable) - clkcon |= clocks; + con |= ctrlbit; else - clkcon &= ~clocks; - - __raw_writel(clkcon, S3C2443_HCLKCON); + con &= ~ctrlbit; + __raw_writel(con, reg); return 0; } -static int s3c2443_clkcon_enable_p(struct clk *clk, int enable) +static int s3c2443_clkcon_enable_h(struct clk *clk, int enable) { - unsigned int clocks = clk->ctrlbit; - unsigned long clkcon; - - clkcon = __raw_readl(S3C2443_PCLKCON); - - if (enable) - clkcon |= clocks; - else - clkcon &= ~clocks; - - __raw_writel(clkcon, S3C2443_PCLKCON); + return s3c2443_gate(S3C2443_HCLKCON, clk, enable); +} - return 0; +static int s3c2443_clkcon_enable_p(struct clk *clk, int enable) +{ + return s3c2443_gate(S3C2443_PCLKCON, clk, enable); } static int s3c2443_clkcon_enable_s(struct clk *clk, int enable) { - unsigned int clocks = clk->ctrlbit; - unsigned long clkcon; - - clkcon = __raw_readl(S3C2443_SCLKCON); - - if (enable) - clkcon |= clocks; - else - clkcon &= ~clocks; - - __raw_writel(clkcon, S3C2443_SCLKCON); - - return 0; + return s3c2443_gate(S3C2443_SCLKCON, clk, enable); } static unsigned long s3c2443_roundrate_clksrc(struct clk *clk, |