On Thu, Dec 15, 2022 at 6:38 PM Fabio Estevam <festevam@xxxxxxxxx> wrote: > + if (!imx_uart_is_imx1(sport)) { > + u32 ucr3 = imx_uart_readl(sport, UCR3); > + ucr3 |= UCR3_ADNIMP; > + imx_uart_writel(sport, ucr2, UCR3); Sorry, here I meant: imx_uart_writel(sport, ucr3, UCR3);