[PATCH] clk: bcm2835: Correct the prediv logic

Stefan Wahren stefan.wahren at i2se.com
Mon May 15 10:47:39 PDT 2017

Hi Eric,

> Eric Anholt <eric at anholt.net> hat am 15. Mai 2017 um 19:35 geschrieben:
> From: Phil Elwell <phil at raspberrypi.org>
> If a clock has the prediv flag set, both the integer and fractional
> parts must be scaled when calculating the resulting frequency.
> Signed-off-by: Phil Elwell <phil at raspberrypi.org>
> Signed-off-by: Eric Anholt <eric at anholt.net>
> ---
> While this is a bugfix, I haven't put a "Fixes:" line in here to get
> it automatically backported to stable.  

sorry, i can't follow. How should this happen without "Fixes: "?

> We had trouble with the
> out-of-tree DSI panel driver, at least: Our old set_rate() didn't
> work, because the new PLL was just barely too fast to get the integer
> PLL divider we needed.  We may run into similar troubles
> elsewhere. --anholt

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