lkml.org 
[lkml]   [2015]   [Jun]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] clk: qcom: Use parent rate when set rate to pixel RCG clock
Date
Since the parent rate has been recalculated, pixel RCG clock
should rely on it to find the correct M/N values during set_rate,
instead of calling __clk_round_rate() to its parent again.

Signed-off-by: Hai Li <hali@codeaurora.org>
---
drivers/clk/qcom/clk-rcg2.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/clk/qcom/clk-rcg2.c b/drivers/clk/qcom/clk-rcg2.c
index 4d3e2f7..b344899 100644
--- a/drivers/clk/qcom/clk-rcg2.c
+++ b/drivers/clk/qcom/clk-rcg2.c
@@ -615,10 +615,11 @@ static int clk_pixel_set_rate(struct clk_hw *hw, unsigned long rate,
if (!parent)
return -EINVAL;

+ src_rate = parent_rate;
+
for (; frac->num; frac++) {
request = (rate * frac->den) / frac->num;

- src_rate = __clk_round_rate(parent, request);
if ((src_rate < (request - delta)) ||
(src_rate > (request + delta)))
continue;
--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
hosted by The Linux Foundation


\
 
 \ /
  Last update: 2015-06-26 01:01    [W:0.092 / U:0.100 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site