diff options
| author | Luiz Fernando Capitulino <lcapitulino@mandriva.com.br> | 2006-03-24 21:12:31 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2006-04-14 20:12:20 +0200 |
| commit | 1ce7dd26e0f0e34bb75ec56f7f546151af34fcf9 (patch) | |
| tree | 38635f09e5d02ef4cedba02fe1f8892cade6690b /drivers/usb/serial/usb-serial.h | |
| parent | [PATCH] USB: g_file_storage: add comment about buffer allocation (diff) | |
| download | linux-1ce7dd26e0f0e34bb75ec56f7f546151af34fcf9.tar.xz linux-1ce7dd26e0f0e34bb75ec56f7f546151af34fcf9.zip | |
[PATCH] USB serial: Converts port semaphore to mutexes.
The usbserial's port semaphore used to synchronize serial_open()
and serial_close() are strict mutexes, convert them to the mutex
implementation.
Signed-off-by: Luiz Capitulino <lcapitulino@mandriva.com.br>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/serial/usb-serial.h')
| -rw-r--r-- | drivers/usb/serial/usb-serial.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/usb/serial/usb-serial.h b/drivers/usb/serial/usb-serial.h index d7d27c3385b3..dc89d8710460 100644 --- a/drivers/usb/serial/usb-serial.h +++ b/drivers/usb/serial/usb-serial.h @@ -16,7 +16,7 @@ #include <linux/config.h> #include <linux/kref.h> -#include <asm/semaphore.h> +#include <linux/mutex.h> #define SERIAL_TTY_MAJOR 188 /* Nice legal number now */ #define SERIAL_TTY_MINORS 255 /* loads of devices :) */ @@ -31,7 +31,7 @@ * @serial: pointer back to the struct usb_serial owner of this port. * @tty: pointer to the corresponding tty for this port. * @lock: spinlock to grab when updating portions of this structure. - * @sem: semaphore used to synchronize serial_open() and serial_close() + * @mutex: mutex used to synchronize serial_open() and serial_close() * access for this port. * @number: the number of the port (the minor number). * @interrupt_in_buffer: pointer to the interrupt in buffer for this port. @@ -63,7 +63,7 @@ struct usb_serial_port { struct usb_serial * serial; struct tty_struct * tty; spinlock_t lock; - struct semaphore sem; + struct mutex mutex; unsigned char number; unsigned char * interrupt_in_buffer; |