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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>
This commit is contained in:
Dmitry Torokhov 2017-02-01 15:20:12 -08:00 committed by Greg Kroah-Hartman
parent aea9a80ba9
commit 0832a46202
1 changed files with 10 additions and 8 deletions
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18
drivers/tty/serial/cpm_uart/cpm_uart_core.c
View File

@ -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];