USART_SR_ERR_MASK 242 drivers/tty/serial/stm32-usart.c if ((sr & USART_SR_ERR_MASK) && ofs->icr != UNDEF_REG) USART_SR_ERR_MASK 243 drivers/tty/serial/stm32-usart.c writel_relaxed(sr & USART_SR_ERR_MASK, USART_SR_ERR_MASK 248 drivers/tty/serial/stm32-usart.c if (sr & USART_SR_ERR_MASK) {