The pre_pll divisor must be such that ext_clk / pre_pll divisor does not result in a frequency that is greater than pll_ip_clk_freq. Fix this. Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxxxxxxxxxxxxx> --- drivers/media/video/smiapp-pll.c | 5 +++-- 1 files changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/media/video/smiapp-pll.c b/drivers/media/video/smiapp-pll.c index a416e27..a2e41a2 100644 --- a/drivers/media/video/smiapp-pll.c +++ b/drivers/media/video/smiapp-pll.c @@ -124,8 +124,9 @@ int smiapp_pll_calculate(struct device *dev, struct smiapp_pll_limits *limits, limits->min_pll_ip_freq_hz)); limits->min_pre_pll_clk_div = max_t(uint16_t, limits->min_pre_pll_clk_div, - clk_div_even(pll->ext_clk_freq_hz / - limits->max_pll_ip_freq_hz)); + clk_div_even_up( + DIV_ROUND_UP(pll->ext_clk_freq_hz, + limits->max_pll_ip_freq_hz))); dev_dbg(dev, "pre-pll check: min / max pre_pll_clk_div: %d / %d\n", limits->min_pre_pll_clk_div, limits->max_pre_pll_clk_div); -- 1.7.2.5 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
