diff options
Diffstat (limited to 'drivers/tty/serial/cpm_uart/cpm_uart_core.c')
| -rw-r--r-- | drivers/tty/serial/cpm_uart/cpm_uart_core.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/drivers/tty/serial/cpm_uart/cpm_uart_core.c b/drivers/tty/serial/cpm_uart/cpm_uart_core.c index d3e3d42c0c12..f6bcc19c99d5 100644 --- a/drivers/tty/serial/cpm_uart/cpm_uart_core.c +++ b/drivers/tty/serial/cpm_uart/cpm_uart_core.c @@ -1302,7 +1302,7 @@ static int __init cpm_uart_console_setup(struct console *co, char *options) struct uart_cpm_port *pinfo; struct uart_port *port; - struct device_node *np = NULL; + struct device_node *np; int i = 0; if (co->index >= UART_NR) { @@ -1311,17 +1311,19 @@ static int __init cpm_uart_console_setup(struct console *co, char *options) return -ENODEV; } - do { - np = of_find_node_by_type(np, "serial"); - if (!np) - return -ENODEV; - + for_each_node_by_type(np, "serial") { if (!of_device_is_compatible(np, "fsl,cpm1-smc-uart") && !of_device_is_compatible(np, "fsl,cpm1-scc-uart") && !of_device_is_compatible(np, "fsl,cpm2-smc-uart") && !of_device_is_compatible(np, "fsl,cpm2-scc-uart")) - i--; - } while (i++ != co->index); + continue; + + if (i++ == co->index) + break; + } + + if (!np) + return -ENODEV; pinfo = &cpm_uart_ports[co->index]; |