diff options
| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2017-02-02 02:20:12 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-02-03 12:12:16 +0300 |
| commit | 0832a462029538bab8dead15d12fa63f201a675a (patch) | |
| tree | 5b3f6c6496447c52192d63a144257eb3891f6a0a /drivers/tty/serial/cpm_uart | |
| parent | aea9a80ba98a0c9b4de88850260e9fbdcc98360b (diff) | |
| download | linux-0832a462029538bab8dead15d12fa63f201a675a.tar.xz | |
tty: serial: cpm_uart: make use of for_each_node_by_type()
Instead of open-coding loop with of_find_node_by_type(), let's use canned
macro.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/cpm_uart')
| -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]; |