On 2018년 02월 07일 22:04, Sylwester Nawrocki wrote: > On 02/07/2018 12:24 PM, Chanwoo Choi wrote: >> Could you share your equation? >> because your result is a little bit different of my result. >> - my equation : ((mdiv + kdiv/65535) x 24MHz) / (pdiv x POWER(2,sdiv)) > > It resembles the code from samsung_pll36xx_recalc_rate(): > > (24 * 10^6 * (M * 2^16 + K)) / (P * 2^S) / 2^16 > > and a more accurate one > > ROUNDDOWN(ROUNDDOWN(24 * 10^6 * (M * 2^16 + K), 0) / ROUNDDOWN(P * 2^S, 0) / 2^16, 0) > > Shouldn't you substitute 65535 with 65536? 65536 is right. It is my mistake using 65535. Thanks for your share. -- Best Regards, Chanwoo Choi Samsung Electronics -- 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
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