diff options
author | Joonyoung Shim <jy0922.shim@samsung.com> | 2011-03-11 06:54:48 (GMT) |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-05-20 12:27:47 (GMT) |
commit | 474fdc0822abd36d38041c0f02513adb5006f6cb (patch) | |
tree | 8ab1f601aac931296b6abb9febacd53941a1583e /drivers/media/radio | |
parent | 949cf31cb00c16a1011c73c43f30cd3e2dfb6610 (diff) | |
download | linux-fsl-qoriq-474fdc0822abd36d38041c0f02513adb5006f6cb.tar.xz |
[media] radio-si470x: convert to use request_threaded_irq()
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/radio')
-rw-r--r-- | drivers/media/radio/si470x/radio-si470x-i2c.c | 32 | ||||
-rw-r--r-- | drivers/media/radio/si470x/radio-si470x.h | 1 |
2 files changed, 9 insertions, 24 deletions
diff --git a/drivers/media/radio/si470x/radio-si470x-i2c.c b/drivers/media/radio/si470x/radio-si470x-i2c.c index 898f68a..a2a6777 100644 --- a/drivers/media/radio/si470x/radio-si470x-i2c.c +++ b/drivers/media/radio/si470x/radio-si470x-i2c.c @@ -262,12 +262,11 @@ int si470x_vidioc_querycap(struct file *file, void *priv, **************************************************************************/ /* - * si470x_i2c_interrupt_work - rds processing function + * si470x_i2c_interrupt - interrupt handler */ -static void si470x_i2c_interrupt_work(struct work_struct *work) +static irqreturn_t si470x_i2c_interrupt(int irq, void *dev_id) { - struct si470x_device *radio = container_of(work, - struct si470x_device, radio_work); + struct si470x_device *radio = dev_id; unsigned char regnr; unsigned char blocknum; unsigned short bler; /* rds block errors */ @@ -278,26 +277,26 @@ static void si470x_i2c_interrupt_work(struct work_struct *work) /* check Seek/Tune Complete */ retval = si470x_get_register(radio, STATUSRSSI); if (retval < 0) - return; + goto end; if (radio->registers[STATUSRSSI] & STATUSRSSI_STC) complete(&radio->completion); /* safety checks */ if ((radio->registers[SYSCONFIG1] & SYSCONFIG1_RDS) == 0) - return; + goto end; /* Update RDS registers */ for (regnr = 1; regnr < RDS_REGISTER_NUM; regnr++) { retval = si470x_get_register(radio, STATUSRSSI + regnr); if (retval < 0) - return; + goto end; } /* get rds blocks */ if ((radio->registers[STATUSRSSI] & STATUSRSSI_RDSR) == 0) /* No RDS group ready, better luck next time */ - return; + goto end; for (blocknum = 0; blocknum < 4; blocknum++) { switch (blocknum) { @@ -351,19 +350,8 @@ static void si470x_i2c_interrupt_work(struct work_struct *work) if (radio->wr_index != radio->rd_index) wake_up_interruptible(&radio->read_queue); -} - - -/* - * si470x_i2c_interrupt - interrupt handler - */ -static irqreturn_t si470x_i2c_interrupt(int irq, void *dev_id) -{ - struct si470x_device *radio = dev_id; - - if (!work_pending(&radio->radio_work)) - schedule_work(&radio->radio_work); +end: return IRQ_HANDLED; } @@ -385,7 +373,6 @@ static int __devinit si470x_i2c_probe(struct i2c_client *client, goto err_initial; } - INIT_WORK(&radio->radio_work, si470x_i2c_interrupt_work); radio->users = 0; radio->client = client; mutex_init(&radio->lock); @@ -454,7 +441,7 @@ static int __devinit si470x_i2c_probe(struct i2c_client *client, radio->stci_enabled = true; init_completion(&radio->completion); - retval = request_irq(client->irq, si470x_i2c_interrupt, + retval = request_threaded_irq(client->irq, NULL, si470x_i2c_interrupt, IRQF_TRIGGER_FALLING, DRIVER_NAME, radio); if (retval) { dev_err(&client->dev, "Failed to register interrupt\n"); @@ -492,7 +479,6 @@ static __devexit int si470x_i2c_remove(struct i2c_client *client) struct si470x_device *radio = i2c_get_clientdata(client); free_irq(client->irq, radio); - cancel_work_sync(&radio->radio_work); video_unregister_device(radio->videodev); kfree(radio); diff --git a/drivers/media/radio/si470x/radio-si470x.h b/drivers/media/radio/si470x/radio-si470x.h index 9ef6716..68da001 100644 --- a/drivers/media/radio/si470x/radio-si470x.h +++ b/drivers/media/radio/si470x/radio-si470x.h @@ -182,7 +182,6 @@ struct si470x_device { #if defined(CONFIG_I2C_SI470X) || defined(CONFIG_I2C_SI470X_MODULE) struct i2c_client *client; - struct work_struct radio_work; #endif }; |