Messages in this thread Patch in this message | | | Subject | [PATCH] omap2: fix DPLL_FREQSEL calculation | From | John Ogness <> | Date | Thu, 20 Jan 2011 11:42:24 +0100 |
| |
Hi,
This patch fixes the calculation of the internal frequency. The value of "n" is one less than the actual divider. 0 is a valid value.
An example where the internal frequency is calculated correctly can be found here: clkt_dpll.c:_dpll_test_fint()
This patch is against linux-next-20110120.
Signed-off-by: John Ogness <john.ogness@linutronix.de> --- arch/arm/mach-omap2/dpll3xxx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/arm/mach-omap2/dpll3xxx.c 2011-01-20 11:20:41.706860086 +0100 +++ b/arch/arm/mach-omap2/dpll3xxx.c 2011-01-20 11:21:27.966860086 +0100 @@ -93,7 +93,7 @@ static u16 _omap3_dpll_compute_freqsel(s unsigned long fint; u16 f = 0; - fint = clk->dpll_data->clk_ref->rate / n; + fint = clk->dpll_data->clk_ref->rate / (n + 1); pr_debug("clock: fint is %lu\n", fint);
| |