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| author | Paul Mundt <lethal@linux-sh.org> | 2011-09-05 12:52:33 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2011-09-05 12:52:33 +0900 |
| commit | f1e0477a7b7a541f51eea279910eed4ddd010033 (patch) | |
| tree | 552841f13496306f0140d5faca82ae9987a81b5e /arch/arm/mach-mx5/clock-mx51-mx53.c | |
| parent | b58c580d996655658975aa8042b43b7d579f3986 (diff) | |
| parent | 9e79e3e9dd9672b37ac9412e9a926714306551fe (diff) | |
| download | talos-op-linux-f1e0477a7b7a541f51eea279910eed4ddd010033.tar.gz talos-op-linux-f1e0477a7b7a541f51eea279910eed4ddd010033.zip | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into rmobile-latest
Diffstat (limited to 'arch/arm/mach-mx5/clock-mx51-mx53.c')
| -rw-r--r-- | arch/arm/mach-mx5/clock-mx51-mx53.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/arm/mach-mx5/clock-mx51-mx53.c b/arch/arm/mach-mx5/clock-mx51-mx53.c index 7f20308c4dbd..f7bf996f463b 100644 --- a/arch/arm/mach-mx5/clock-mx51-mx53.c +++ b/arch/arm/mach-mx5/clock-mx51-mx53.c @@ -271,7 +271,11 @@ static int _clk_pll_enable(struct clk *clk) int i = 0; pllbase = _get_pll_base(clk); - reg = __raw_readl(pllbase + MXC_PLL_DP_CTL) | MXC_PLL_DP_CTL_UPEN; + reg = __raw_readl(pllbase + MXC_PLL_DP_CTL); + if (reg & MXC_PLL_DP_CTL_UPEN) + return 0; + + reg |= MXC_PLL_DP_CTL_UPEN; __raw_writel(reg, pllbase + MXC_PLL_DP_CTL); /* Wait for lock */ |
