Commit 9346f48b authored Nov 16, 2009 by Rajendra Nayak Committed by Tony Lindgren Nov 17, 2009

omap3: clock: Fix the DPLL freqsel computations



Fix the freqsel value computation. Use n instead of (n+1)

The formula in the TRM uses a zero-based N, hence the (n+1); however
at this point in the clock34xx.c code, N is one-based.

Hayati Bayrakdar <h-bayrakdar@ti.com> and Nishanth Menon <nm@ti.com> helped
track down this bug.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
[paul@pwsan.com: modified commit message]
Cc: Hayati Bayrakdar <h-bayrakdar@ti.com>
Cc: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

parent f7343deb

arch/arm/mach-omap2/clock34xx.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -473,7 +473,7 @@ static u16 _omap3_dpll_compute_freqsel(struct clk *clk, u8 n)
		unsigned long fint;
		u16 f = 0;

		fint = clk->dpll_data->clk_ref->rate / (n + 1);
		fint = clk->dpll_data->clk_ref->rate / n;

		pr_debug("clock: fint is %lu\n", fint);