In stm32_i2c_choose_solution, the double loop continues even after a solution is found.
Breaking out of this double loop once a solution is found permits to gain some precious ms. This saves about 13ms in U-Boot. Signed-off-by: Richard Genoud <[email protected]> --- drivers/i2c/stm32f7_i2c.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/i2c/stm32f7_i2c.c b/drivers/i2c/stm32f7_i2c.c index 3f51b1dd1db4..cb5e2c0e31e5 100644 --- a/drivers/i2c/stm32f7_i2c.c +++ b/drivers/i2c/stm32f7_i2c.c @@ -651,11 +651,13 @@ static int stm32_i2c_choose_solution(u32 i2cclk, v->sclh = h; sol_found = true; memcpy(s, v, sizeof(*s)); + goto end_loop; } } } } } +end_loop: if (!sol_found) { log_err("no solution at all\n"); base-commit: c5e6d2ab7eba68cbfb600cdc131c0c375ced2ec9 -- 2.47.3
