[PATCH] clk: iproc: round clock rate to the closest

From: Ray Jui
Date: Fri Jun 12 2020 - 18:52:33 EST


From: Lori Hikichi <lhikichi@xxxxxxxxxxxx>

Change from 'DIV_ROUND_UP' to 'DIV_ROUND_CLOSEST' when calculating the
clock divisor in the iProc ASIU clock driver to allow to get to the
closest clock rate.

Fixes: 5fe225c105fd ("clk: iproc: add initial common clock support")
Signed-off-by: Lori Hikichi <lhikichi@xxxxxxxxxxxx>
Signed-off-by: Ray Jui <ray.jui@xxxxxxxxxxxx>
---
drivers/clk/bcm/clk-iproc-asiu.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/clk/bcm/clk-iproc-asiu.c b/drivers/clk/bcm/clk-iproc-asiu.c
index 6fb8af506777..e062dd4992ea 100644
--- a/drivers/clk/bcm/clk-iproc-asiu.c
+++ b/drivers/clk/bcm/clk-iproc-asiu.c
@@ -119,7 +119,7 @@ static long iproc_asiu_clk_round_rate(struct clk_hw *hw, unsigned long rate,
if (rate == *parent_rate)
return *parent_rate;

- div = DIV_ROUND_UP(*parent_rate, rate);
+ div = DIV_ROUND_CLOSEST(*parent_rate, rate);
if (div < 2)
return *parent_rate;

@@ -145,7 +145,7 @@ static int iproc_asiu_clk_set_rate(struct clk_hw *hw, unsigned long rate,
return 0;
}

- div = DIV_ROUND_UP(parent_rate, rate);
+ div = DIV_ROUND_CLOSEST(parent_rate, rate);
if (div < 2)
return -EINVAL;

--
2.17.1