On Wed, Jan 28, 2009 at 12:08:26PM -0700, Paul Walmsley wrote:
> static int omap3_noncore_dpll_set_rate(struct clk *clk, unsigned long rate)
> {
> u16 freqsel;
> struct dpll_data *dd;
> + int ret;
So 'ret' is a new variable...
>
> if (!clk || !rate)
> return -EINVAL;
> @@ -389,18 +393,32 @@ static int omap3_noncore_dpll_set_rate(struct clk *clk,
> unsigned long rate)
> if (rate == omap2_get_dpll_rate(clk))
> return 0;
>
> - if (dd->last_rounded_rate != rate)
> - omap2_dpll_round_rate(clk, rate);
> + if (dd->bypass_clk->rate == rate &&
> + (clk->dpll_data->modes & (1 << DPLL_LOW_POWER_BYPASS))) {
>
> - if (dd->last_rounded_rate == 0)
> - return -EINVAL;
> + pr_debug("clock: %s: set rate: entering bypass.\n", clk->name);
> +
> + ret = _omap3_noncore_dpll_bypass(clk);
which is assigned to...
> +
Additional noise.
> + } else {
> +
More noise.
> + if (dd->last_rounded_rate != rate)
> + omap2_dpll_round_rate(clk, rate);
>
> - freqsel = _omap3_dpll_compute_freqsel(clk, dd->last_rounded_n);
> - if (!freqsel)
> - WARN_ON(1);
> + if (dd->last_rounded_rate == 0)
> + return -EINVAL;
>
> - omap3_noncore_dpll_program(clk, dd->last_rounded_m, dd->last_rounded_n,
> - freqsel);
> + freqsel = _omap3_dpll_compute_freqsel(clk, dd->last_rounded_n);
> + if (!freqsel)
> + WARN_ON(1);
> +
> + pr_debug("clock: %s: set rate: locking rate to %lu.\n",
> + clk->name, rate);
> +
> + ret = omap3_noncore_dpll_program(clk, dd->last_rounded_m,
> + dd->last_rounded_n, freqsel);
Assigned to again...
> +
More noise.
> + }
>
> omap3_dpll_recalc(clk);
>
But ret is never actually used.
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