trise 194 drivers/i2c/busses/i2c-stm32f4.c u32 trise; trise 217 drivers/i2c/busses/i2c-stm32f4.c trise = freq + 1; trise 219 drivers/i2c/busses/i2c-stm32f4.c trise = freq * 3 / 10 + 1; trise 221 drivers/i2c/busses/i2c-stm32f4.c writel_relaxed(STM32F4_I2C_TRISE_VALUE(trise),