[PATCH] i2c: mediatek: remove redundant null check

From: Xu Wang
Date: Wed Sep 30 2020 - 04:42:50 EST


Because clk_disable_unprepare already checked NULL clock parameter,
so the additional checks are unnecessary, just remove it

Signed-off-by: Xu Wang <vulab@xxxxxxxxxxx>
---
drivers/i2c/busses/i2c-mt65xx.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/i2c/busses/i2c-mt65xx.c b/drivers/i2c/busses/i2c-mt65xx.c
index 0cbdfbe605b5..48d37de827e1 100644
--- a/drivers/i2c/busses/i2c-mt65xx.c
+++ b/drivers/i2c/busses/i2c-mt65xx.c
@@ -449,8 +449,7 @@ static int mtk_i2c_clock_enable(struct mtk_i2c *i2c)
return 0;

err_arb:
- if (i2c->have_pmic)
- clk_disable_unprepare(i2c->clk_pmic);
+ clk_disable_unprepare(i2c->clk_pmic);
err_pmic:
clk_disable_unprepare(i2c->clk_main);
err_main:
@@ -461,11 +460,9 @@ static int mtk_i2c_clock_enable(struct mtk_i2c *i2c)

static void mtk_i2c_clock_disable(struct mtk_i2c *i2c)
{
- if (i2c->clk_arb)
- clk_disable_unprepare(i2c->clk_arb);
+ clk_disable_unprepare(i2c->clk_arb);

- if (i2c->have_pmic)
- clk_disable_unprepare(i2c->clk_pmic);
+ clk_disable_unprepare(i2c->clk_pmic);

clk_disable_unprepare(i2c->clk_main);
clk_disable_unprepare(i2c->clk_dma);
--
2.17.1