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ARM: tegra: clock: Don't BUG on changing an enabled PLL

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When updating the CPU PLL frequency, keeping the PLL enabled avoids
ramping the PLL all the way down and back up again.  Remove the BUG_ON
in tegra2_pll_clk_set_rate to allow the rate to change while the PLL
is enabled.

Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Colin Cross <ccross@android.com>
This commit is contained in:
Colin Cross 2010-09-08 19:41:58 -07:00
parent 2b84cb4faa
commit 14133add42
1 changed files with 0 additions and 1 deletions
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arch/arm/mach-tegra/tegra2_clocks.c
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@ -620,7 +620,6 @@ static int tegra2_pll_clk_set_rate(struct clk *c, unsigned long rate)
const struct clk_pll_table *sel;
pr_debug("%s: %s %lu\n", __func__, c->name, rate);
BUG_ON(c->refcnt != 0);
input_rate = c->parent->rate;
for (sel = c->pll_table; sel->input_rate != 0; sel++) {