On 07/21, Sylwester Nawrocki wrote: > This patch fixes values of the EPLL K coefficient and changes > the EPLL output frequency values to match exactly what is > possible to achieve with given M, P, S, K coefficients. > This allows to avoid rounding errors and unexpected frequency > being set with clk_set_rate(), due to recalc_rate returning > different values than the PLL rate specified in the > exynos5420_epll_24mhz_tbl table. E.g. this prevents a case > where two consecutive clk_set_rate() calls with same argument > result in different PLL output frequency. > > The PLL output frequencies have been calculated with formula: > > f = fxtal * (M * 2^16 + K) / (P * 2^S) / 2^16 > > where fxtal = 24000000. > > Fixes: 9842452acd ("clk: samsung: exynos542x: Add EPLL rate table") > Signed-off-by: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx> > --- Applied to clk-fixes -- Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html