diff options
Diffstat (limited to 'drivers/tty/serial/sh-sci.c')
-rw-r--r-- | drivers/tty/serial/sh-sci.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c index da5ddfc14778..784dd42002ea 100644 --- a/drivers/tty/serial/sh-sci.c +++ b/drivers/tty/serial/sh-sci.c @@ -1085,10 +1085,12 @@ static ssize_t rx_trigger_store(struct device *dev, { struct uart_port *port = dev_get_drvdata(dev); struct sci_port *sci = to_sci_port(port); + int ret; long r; - if (kstrtol(buf, 0, &r) == -EINVAL) - return -EINVAL; + ret = kstrtol(buf, 0, &r); + if (ret) + return ret; sci->rx_trigger = scif_set_rtrg(port, r); if (port->type == PORT_SCIFA || port->type == PORT_SCIFB) @@ -1116,10 +1118,12 @@ static ssize_t rx_fifo_timeout_store(struct device *dev, { struct uart_port *port = dev_get_drvdata(dev); struct sci_port *sci = to_sci_port(port); + int ret; long r; - if (kstrtol(buf, 0, &r) == -EINVAL) - return -EINVAL; + ret = kstrtol(buf, 0, &r); + if (ret) + return ret; sci->rx_fifo_timeout = r; scif_set_rtrg(port, 1); if (r > 0) @@ -3069,8 +3073,7 @@ static struct plat_sci_port *sci_parse_dt(struct platform_device *pdev, p->type = SCI_OF_TYPE(match->data); p->regtype = SCI_OF_REGTYPE(match->data); - if (of_find_property(np, "uart-has-rtscts", NULL)) - sp->has_rtscts = true; + sp->has_rtscts = of_property_read_bool(np, "uart-has-rtscts"); return p; } |