diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/tty/serial/stm32-usart.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c index df90747ee3a8..2f72514d63ed 100644 --- a/drivers/tty/serial/stm32-usart.c +++ b/drivers/tty/serial/stm32-usart.c @@ -240,8 +240,8 @@ static void stm32_receive_chars(struct uart_port *port, bool threaded) * cleared by the sequence [read SR - read DR]. */ if ((sr & USART_SR_ERR_MASK) && ofs->icr != UNDEF_REG) - stm32_clr_bits(port, ofs->icr, USART_ICR_ORECF | - USART_ICR_PECF | USART_ICR_FECF); + writel_relaxed(sr & USART_SR_ERR_MASK, + port->membase + ofs->icr); c = stm32_get_char(port, &sr, &stm32_port->last_res); port->icount.rx++; @@ -435,7 +435,7 @@ static void stm32_transmit_chars(struct uart_port *port) if (ofs->icr == UNDEF_REG) stm32_clr_bits(port, ofs->isr, USART_SR_TC); else - stm32_set_bits(port, ofs->icr, USART_ICR_TCCF); + writel_relaxed(USART_ICR_TCCF, port->membase + ofs->icr); if (stm32_port->tx_ch) stm32_transmit_chars_dma(port); |