Searched refs:usartdiv (Results 1 – 1 of 1) sorted by relevance
| /OK3568_Linux_fs/kernel/drivers/tty/serial/ |
| H A D | stm32-usart.c | 106 u32 usartdiv, baud, cr1, cr3; in stm32_usart_config_rs485() local
118 usartdiv = readl_relaxed(port->membase + ofs->brr); in stm32_usart_config_rs485()
119 usartdiv = usartdiv & GENMASK(15, 0); in stm32_usart_config_rs485()
123 usartdiv = usartdiv | (usartdiv & GENMASK(4, 0)) in stm32_usart_config_rs485()
126 baud = DIV_ROUND_CLOSEST(port->uartclk, usartdiv); in stm32_usart_config_rs485()
753 u32 usartdiv, mantissa, fraction, oversampling; in stm32_usart_set_termios() local
860 usartdiv = DIV_ROUND_CLOSEST(port->uartclk, baud); in stm32_usart_set_termios()
868 if (usartdiv < 16) { in stm32_usart_set_termios()
878 mantissa = (usartdiv / oversampling) << USART_BRR_DIV_M_SHIFT; in stm32_usart_set_termios()
879 fraction = usartdiv % oversampling; in stm32_usart_set_termios()
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