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Subject: V4L/DVB: staging/lirc: fix non-CONFIG_MODULES build horkage Author: Jarod Wilson <ja...@redhat.com> Date: Thu Jul 29 18:20:44 2010 -0300 Fix when CONFIG_MODULES is not enabled: drivers/staging/lirc/lirc_parallel.c:243: error: implicit declaration of function 'module_refcount' drivers/staging/lirc/lirc_it87.c:150: error: implicit declaration of function 'module_refcount' drivers/built-in.o: In function `it87_probe': lirc_it87.c:(.text+0x4079b0): undefined reference to `init_chrdev' lirc_it87.c:(.text+0x4079cc): undefined reference to `drop_chrdev' drivers/built-in.o: In function `lirc_it87_exit': lirc_it87.c:(.exit.text+0x38a5): undefined reference to `drop_chrdev' Its a quick hack and untested beyond building, since I don't have the hardware, but it should do the trick. Acked-by: Randy Dunlap <randy.dun...@oracle.com> Signed-off-by: Jarod Wilson <ja...@redhat.com> Signed-off-by: Mauro Carvalho Chehab <mche...@redhat.com> drivers/staging/lirc/lirc_it87.c | 9 ++++++--- drivers/staging/lirc/lirc_parallel.c | 4 ++-- 2 files changed, 8 insertions(+), 5 deletions(-) --- http://git.linuxtv.org/media-tree.git?a=commitdiff;h=82ce67bf262b3f47ecb5a0ca31cace8ac72b7c98 diff --git a/drivers/staging/lirc/lirc_it87.c b/drivers/staging/lirc/lirc_it87.c index 09f3696..ec11c0e 100644 --- a/drivers/staging/lirc/lirc_it87.c +++ b/drivers/staging/lirc/lirc_it87.c @@ -109,6 +109,7 @@ static DECLARE_WAIT_QUEUE_HEAD(lirc_read_queue); static DEFINE_SPINLOCK(hardware_lock); static DEFINE_SPINLOCK(dev_lock); +static bool device_open; static int rx_buf[RBUF_LEN]; unsigned int rx_tail, rx_head; @@ -147,10 +148,11 @@ static void drop_port(void); static int lirc_open(struct inode *inode, struct file *file) { spin_lock(&dev_lock); - if (module_refcount(THIS_MODULE)) { + if (device_open) { spin_unlock(&dev_lock); return -EBUSY; } + device_open = true; spin_unlock(&dev_lock); return 0; } @@ -158,6 +160,9 @@ static int lirc_open(struct inode *inode, struct file *file) static int lirc_close(struct inode *inode, struct file *file) { + spin_lock(&dev_lock); + device_open = false; + spin_unlock(&dev_lock); return 0; } @@ -363,7 +368,6 @@ static struct lirc_driver driver = { }; -#ifdef MODULE static int init_chrdev(void) { driver.minor = lirc_register_driver(&driver); @@ -380,7 +384,6 @@ static void drop_chrdev(void) { lirc_unregister_driver(driver.minor); } -#endif /* SECTION: Hardware */ diff --git a/drivers/staging/lirc/lirc_parallel.c b/drivers/staging/lirc/lirc_parallel.c index a1ebd07..6da4a8c 100644 --- a/drivers/staging/lirc/lirc_parallel.c +++ b/drivers/staging/lirc/lirc_parallel.c @@ -240,7 +240,7 @@ static void irq_handler(void *blah) unsigned int level, newlevel; unsigned int timeout; - if (!module_refcount(THIS_MODULE)) + if (!is_open) return; if (!is_claimed) @@ -515,7 +515,7 @@ static long lirc_ioctl(struct file *filep, unsigned int cmd, unsigned long arg) static int lirc_open(struct inode *node, struct file *filep) { - if (module_refcount(THIS_MODULE) || !lirc_claim()) + if (is_open || !lirc_claim()) return -EBUSY; parport_enable_irq(pport); _______________________________________________ linuxtv-commits mailing list linuxtv-commits@linuxtv.org http://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
