Use 32-bit reads in order to not lose higher bits of DW UART regs. Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx> --- drivers/tty/serial/8250/8250_lpss.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/tty/serial/8250/8250_lpss.c b/drivers/tty/serial/8250/8250_lpss.c index 0f5af061e0b4..4ba43bef9933 100644 --- a/drivers/tty/serial/8250/8250_lpss.c +++ b/drivers/tty/serial/8250/8250_lpss.c @@ -330,7 +330,7 @@ static int lpss8250_probe(struct pci_dev *pdev, const struct pci_device_id *id) uart.port.irq = pci_irq_vector(pdev, 0); uart.port.private_data = &lpss->data; uart.port.type = PORT_16550A; - uart.port.iotype = UPIO_MEM; + uart.port.iotype = UPIO_MEM32; uart.port.regshift = 2; uart.port.uartclk = lpss->board->base_baud * 16; uart.port.flags = UPF_SHARE_IRQ | UPF_FIXED_PORT | UPF_FIXED_TYPE; -- 2.30.2
