diff options
Diffstat (limited to 'drivers/staging')
| -rw-r--r-- | drivers/staging/unisys/visorinput/visorinput.c | 64 |
1 files changed, 30 insertions, 34 deletions
diff --git a/drivers/staging/unisys/visorinput/visorinput.c b/drivers/staging/unisys/visorinput/visorinput.c index aae3fe5c4c9e..9693fb559052 100644 --- a/drivers/staging/unisys/visorinput/visorinput.c +++ b/drivers/staging/unisys/visorinput/visorinput.c @@ -97,9 +97,9 @@ enum visorinput_dev_type { }; /* - * This is the private data that we store for each device. - * A pointer to this struct is maintained via - * dev_get_drvdata() / dev_set_drvdata() for each struct device. + * This is the private data that we store for each device. A pointer to this + * struct is maintained via dev_get_drvdata() / dev_set_drvdata() for each + * struct device. */ struct visorinput_devdata { struct visor_device *dev; @@ -270,10 +270,9 @@ static int visorinput_open(struct input_dev *visorinput_dev) dev_dbg(&visorinput_dev->dev, "%s opened\n", __func__); /* - * If we're not paused, really enable interrupts. - * Regardless of whether we are paused, set a flag indicating - * interrupts should be enabled so when we resume, interrupts - * will really be enabled. + * If we're not paused, really enable interrupts. Regardless of whether + * we are paused, set a flag indicating interrupts should be enabled so + * when we resume, interrupts will really be enabled. */ mutex_lock(&devdata->lock_visor_dev); devdata->interrupts_enabled = true; @@ -299,10 +298,9 @@ static void visorinput_close(struct input_dev *visorinput_dev) dev_dbg(&visorinput_dev->dev, "%s closed\n", __func__); /* - * If we're not paused, really disable interrupts. - * Regardless of whether we are paused, set a flag indicating - * interrupts should be disabled so when we resume we will - * not re-enable them. + * If we're not paused, really disable interrupts. Regardless of + * whether we are paused, set a flag indicating interrupts should be + * disabled so when we resume we will not re-enable them. */ mutex_lock(&devdata->lock_visor_dev); devdata->interrupts_enabled = false; @@ -315,9 +313,9 @@ out_unlock: } /* - * setup_client_keyboard() initializes and returns a Linux input node that - * we can use to deliver keyboard inputs to Linux. We of course do this when - * we see keyboard inputs coming in on a keyboard channel. + * setup_client_keyboard() initializes and returns a Linux input node that we + * can use to deliver keyboard inputs to Linux. We of course do this when we + * see keyboard inputs coming in on a keyboard channel. */ static struct input_dev *setup_client_keyboard(void *devdata, unsigned char *keycode_table) @@ -424,9 +422,9 @@ static struct visorinput_devdata *devdata_create(struct visor_device *dev, devdata->paused = true; /* - * This is an input device in a client guest partition, - * so we need to create whatever input nodes are necessary to - * deliver our inputs to the guest OS. + * This is an input device in a client guest partition, so we need to + * create whatever input nodes are necessary to deliver our inputs to + * the guest OS. */ switch (dtype) { case visorinput_keyboard: @@ -463,10 +461,9 @@ static struct visorinput_devdata *devdata_create(struct visor_device *dev, /* * Device struct is completely set up now, with the exception of - * visorinput_dev being registered. - * We need to unlock before we register the device, because this - * can cause an on-stack call of visorinput_open(), which would - * deadlock if we had the lock. + * visorinput_dev being registered. We need to unlock before we + * register the device, because this can cause an on-stack call of + * visorinput_open(), which would deadlock if we had the lock. */ if (input_register_device(devdata->visorinput_dev)) { input_free_device(devdata->visorinput_dev); @@ -475,9 +472,9 @@ static struct visorinput_devdata *devdata_create(struct visor_device *dev, mutex_lock(&devdata->lock_visor_dev); /* - * Establish calls to visorinput_channel_interrupt() if that is - * the desired state that we've kept track of in interrupts_enabled - * while the device was being created. + * Establish calls to visorinput_channel_interrupt() if that is the + * desired state that we've kept track of in interrupts_enabled while + * the device was being created. */ devdata->paused = false; if (devdata->interrupts_enabled) @@ -528,8 +525,8 @@ static void visorinput_remove(struct visor_device *dev) visorbus_disable_channel_interrupts(dev); /* - * due to above, at this time no thread of execution will be - * in visorinput_channel_interrupt() + * due to above, at this time no thread of execution will be in + * visorinput_channel_interrupt() */ dev_set_drvdata(&dev->device, NULL); @@ -572,9 +569,8 @@ static void handle_locking_key(struct input_dev *visorinput_dev, int keycode, } /* - * <scancode> is either a 1-byte scancode, or an extended 16-bit scancode - * with 0xE0 in the low byte and the extended scancode value in the next - * higher byte. + * <scancode> is either a 1-byte scancode, or an extended 16-bit scancode with + * 0xE0 in the low byte and the extended scancode value in the next higher byte. */ static int scancode_to_keycode(int scancode) { @@ -715,8 +711,8 @@ static int visorinput_pause(struct visor_device *dev, visorbus_disable_channel_interrupts(dev); /* - * due to above, at this time no thread of execution will be - * in visorinput_channel_interrupt() + * due to above, at this time no thread of execution will be in + * visorinput_channel_interrupt() */ devdata->paused = true; complete_func(dev, 0); @@ -746,9 +742,9 @@ static int visorinput_resume(struct visor_device *dev, complete_func(dev, 0); /* - * Re-establish calls to visorinput_channel_interrupt() if that is - * the desired state that we've kept track of in interrupts_enabled - * while the device was paused. + * Re-establish calls to visorinput_channel_interrupt() if that is the + * desired state that we've kept track of in interrupts_enabled while + * the device was paused. */ if (devdata->interrupts_enabled) visorbus_enable_channel_interrupts(dev); |