Without .pending handler, tstc() function always returns 1.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
+static int uniphier_serial_pending(struct udevice *dev, bool input)
+{
+ struct uniphier_serial __iomem *port = uniphier_serial_port(dev);
+
+ if (input)
+ return readb(&port->lsr) & UART_LSR_DR;
+ else
+ return !(readb(&port->lsr) & UART_LSR_THRE);
+}
+
int uniphier_serial_probe(struct udevice *dev)
{
struct uniphier_serial_private_data *priv = dev_get_priv(dev);
int uniphier_serial_probe(struct udevice *dev)
{
struct uniphier_serial_private_data *priv = dev_get_priv(dev);
.setbrg = uniphier_serial_setbrg,
.getc = uniphier_serial_getc,
.putc = uniphier_serial_putc,
.setbrg = uniphier_serial_setbrg,
.getc = uniphier_serial_getc,
.putc = uniphier_serial_putc,
+ .pending = uniphier_serial_pending,
};
U_BOOT_DRIVER(uniphier_serial) = {
};
U_BOOT_DRIVER(uniphier_serial) = {