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| author | Chunyan Zhang <chunyan.zhang@unisoc.com> | 2020-03-30 10:16:40 +0800 |
|---|---|---|
| committer | Stephen Boyd <sboyd@kernel.org> | 2020-04-02 18:07:58 -0700 |
| commit | 39d1c90665e3ee471b3005780a7df58bb1ba622d (patch) | |
| tree | faf3b899c2ec1eb12c93e05439fe0870a48dc177 | |
| parent | 0e4b8a2349f3aa9b54c217b338ee65d8b2b6b739 (diff) | |
| download | unicode-39d1c90665e3ee471b3005780a7df58bb1ba622d.tar.gz | |
clk: sprd: fix to get a correct ibias of pll
The current driver is getting a wrong ibias index of pll clocks from
number 1. This patch fix that issue, then getting ibias index from 0.
Fixes: 3e37b005580b ("clk: sprd: add adjustable pll support")
Signed-off-by: Chunyan Zhang <chunyan.zhang@unisoc.com>
Link: https://lkml.kernel.org/r/20200330021640.14133-1-zhang.lyra@gmail.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
| -rw-r--r-- | drivers/clk/sprd/pll.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/clk/sprd/pll.c b/drivers/clk/sprd/pll.c index 640270f51aa56c..15791484388fab 100644 --- a/drivers/clk/sprd/pll.c +++ b/drivers/clk/sprd/pll.c @@ -87,11 +87,12 @@ static u32 pll_get_ibias(u64 rate, const u64 *table) { u32 i, num = table[0]; - for (i = 1; i < num + 1; i++) - if (rate <= table[i]) + /* table[0] indicates the number of items in this table */ + for (i = 0; i < num; i++) + if (rate <= table[i + 1]) break; - return (i == num + 1) ? num : i; + return i == num ? num - 1 : i; } static unsigned long _sprd_pll_recalc_rate(const struct sprd_pll *pll, |