i2c: stm32f7: improve loopback in timing algorithm
authorNicolas Le Bayon <nicolas.le.bayon@st.com>
Thu, 18 Apr 2019 15:32:43 +0000 (17:32 +0200)
committerPatrice Chotard <patrice.chotard@st.com>
Thu, 23 May 2019 09:36:47 +0000 (11:36 +0200)
commit5237f37e5c35052533588fe0a53febad2f047d70
tree3a1dcc7efd69321a818bfedec9c351fa2924e084
parente87da7521f922e3d0f6aaa6b162e872f8f39c649
i2c: stm32f7: improve loopback in timing algorithm

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>
Reviewed-by: Patrick DELAUNAY <patrick.delaunay@st.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
drivers/i2c/stm32f7_i2c.c