1 From a4a78ef42a4720e11e6489dc44936153e601d89f Mon Sep 17 00:00:00 2001
2 From: =?UTF-8?q?Du=C5=A1an=20Dragi=C4=87?= <dragic.dusan@gmail.com>
3 Date: Wed, 25 Sep 2013 18:44:05 +0200
4 Subject: [PATCH 103/196] lirc_rpi: Don't register with lirc_dev if we can't
7 Currently the lirc_rpi module always registers a new lirc device.
8 In case the gpio pins can't be claimed it exits without unregistering.
10 Skip registering with lirc_dev if pins can't be claimed.
11 Also, don't free gpio pins that we haven't claimed.
13 drivers/staging/media/lirc/lirc_rpi.c | 13 +++++++------
14 1 file changed, 7 insertions(+), 6 deletions(-)
16 diff --git a/drivers/staging/media/lirc/lirc_rpi.c b/drivers/staging/media/lirc/lirc_rpi.c
17 index cb32042..c76f696 100644
18 --- a/drivers/staging/media/lirc/lirc_rpi.c
19 +++ b/drivers/staging/media/lirc/lirc_rpi.c
20 @@ -590,8 +590,6 @@ static int __init lirc_rpi_init(void)
22 static void lirc_rpi_exit(void)
24 - gpio_free(gpio_out_pin);
25 - gpio_free(gpio_in_pin);
26 platform_device_unregister(lirc_rpi_dev);
27 platform_driver_unregister(&lirc_rpi_driver);
28 lirc_buffer_free(&rbuf);
29 @@ -623,6 +621,10 @@ static int __init lirc_rpi_init_module(void)
33 + result = init_port();
37 driver.features = LIRC_CAN_SET_SEND_DUTY_CYCLE |
38 LIRC_CAN_SET_SEND_CARRIER |
40 @@ -640,10 +642,6 @@ static int __init lirc_rpi_init_module(void)
42 printk(KERN_INFO LIRC_DRIVER_NAME ": driver registered!\n");
44 - result = init_port();
51 @@ -654,6 +652,9 @@ static int __init lirc_rpi_init_module(void)
53 static void __exit lirc_rpi_exit_module(void)
55 + gpio_free(gpio_out_pin);
56 + gpio_free(gpio_in_pin);
60 lirc_unregister_driver(driver.minor);