Messages in this thread Patch in this message | | | From | Bich HEMON <> | Subject | [PATCH] i2c: i2c-stm32f7: improve loopback in timing algorithm | Date | Wed, 6 Mar 2019 15:12:32 +0000 |
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From: Nicolas Le Bayon <nicolas.le.bayon@st.com>
This avoids useless loops inside the I2C timing algorithm. Actually, we support only one possible solution per prescaler value. So after finding a solution with a prescaler, the algorithm can switch directly to the next prescaler value.
Signed-off-by: Nicolas Le Bayon <nicolas.le.bayon@st.com> Signed-off-by: Bich Hemon <bich.hemon@st.com> --- drivers/i2c/busses/i2c-stm32f7.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/i2c/busses/i2c-stm32f7.c b/drivers/i2c/busses/i2c-stm32f7.c index 4284fc9..48337be 100644 --- a/drivers/i2c/busses/i2c-stm32f7.c +++ b/drivers/i2c/busses/i2c-stm32f7.c @@ -476,8 +476,12 @@ static int stm32f7_i2c_compute_timing(struct stm32f7_i2c_dev *i2c_dev, list_add_tail(&v->node, &solutions); + break; } } + + if (p_prev == p) + break; } } -- 1.9.1
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