* [PATCH] staging:iio: Request threaded-only IRQs with IRQF_ONESHOT
@ 2012-07-02 8:54 Lars-Peter Clausen
2012-07-03 19:40 ` Jonathan Cameron
0 siblings, 1 reply; 2+ messages in thread
From: Lars-Peter Clausen @ 2012-07-02 8:54 UTC (permalink / raw)
To: Jonathan Cameron; +Cc: linux-iio, Lars-Peter Clausen
Since commit 1c6c69525b ("genirq: Reject bogus threaded irq requests") threaded
IRQs without a primary handler need to be requested with IRQF_ONESHOT, otherwise
the request will fail. This patch adds the IRQF_ONESHOT to IIO drivers where it
is missing.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
---
drivers/staging/iio/accel/sca3000_core.c | 2 +-
drivers/staging/iio/adc/ad7816.c | 2 +-
drivers/staging/iio/adc/adt7310.c | 5 +++--
drivers/staging/iio/adc/adt7410.c | 5 +++--
drivers/staging/iio/cdc/ad7150.c | 6 ++++--
5 files changed, 12 insertions(+), 8 deletions(-)
diff --git a/drivers/staging/iio/accel/sca3000_core.c b/drivers/staging/iio/accel/sca3000_core.c
index 6ec5c20..c218d71 100644
--- a/drivers/staging/iio/accel/sca3000_core.c
+++ b/drivers/staging/iio/accel/sca3000_core.c
@@ -1189,7 +1189,7 @@ static int __devinit sca3000_probe(struct spi_device *spi)
ret = request_threaded_irq(spi->irq,
NULL,
&sca3000_event_handler,
- IRQF_TRIGGER_FALLING,
+ IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
"sca3000",
indio_dev);
if (ret)
diff --git a/drivers/staging/iio/adc/ad7816.c b/drivers/staging/iio/adc/ad7816.c
index 5356b09..c5fb947 100644
--- a/drivers/staging/iio/adc/ad7816.c
+++ b/drivers/staging/iio/adc/ad7816.c
@@ -402,7 +402,7 @@ static int __devinit ad7816_probe(struct spi_device *spi_dev)
ret = request_threaded_irq(spi_dev->irq,
NULL,
&ad7816_event_handler,
- IRQF_TRIGGER_LOW,
+ IRQF_TRIGGER_LOW | IRQF_ONESHOT,
indio_dev->name,
indio_dev);
if (ret)
diff --git a/drivers/staging/iio/adc/adt7310.c b/drivers/staging/iio/adc/adt7310.c
index e5f1ed7..44dcf63 100644
--- a/drivers/staging/iio/adc/adt7310.c
+++ b/drivers/staging/iio/adc/adt7310.c
@@ -778,7 +778,7 @@ static int __devinit adt7310_probe(struct spi_device *spi_dev)
ret = request_threaded_irq(spi_dev->irq,
NULL,
&adt7310_event_handler,
- irq_flags,
+ irq_flags | IRQF_ONESHOT,
indio_dev->name,
indio_dev);
if (ret)
@@ -790,7 +790,8 @@ static int __devinit adt7310_probe(struct spi_device *spi_dev)
ret = request_threaded_irq(adt7310_platform_data[0],
NULL,
&adt7310_event_handler,
- adt7310_platform_data[1],
+ adt7310_platform_data[1] |
+ IRQF_ONESHOT,
indio_dev->name,
indio_dev);
if (ret)
diff --git a/drivers/staging/iio/adc/adt7410.c b/drivers/staging/iio/adc/adt7410.c
index 917b692..a2defe6 100644
--- a/drivers/staging/iio/adc/adt7410.c
+++ b/drivers/staging/iio/adc/adt7410.c
@@ -742,7 +742,7 @@ static int __devinit adt7410_probe(struct i2c_client *client,
ret = request_threaded_irq(client->irq,
NULL,
&adt7410_event_handler,
- IRQF_TRIGGER_LOW,
+ IRQF_TRIGGER_LOW | IRQF_ONESHOT,
id->name,
indio_dev);
if (ret)
@@ -754,7 +754,8 @@ static int __devinit adt7410_probe(struct i2c_client *client,
ret = request_threaded_irq(adt7410_platform_data[0],
NULL,
&adt7410_event_handler,
- adt7410_platform_data[1],
+ adt7410_platform_data[1] |
+ IRQF_ONESHOT,
id->name,
indio_dev);
if (ret)
diff --git a/drivers/staging/iio/cdc/ad7150.c b/drivers/staging/iio/cdc/ad7150.c
index a16d1a2..6a40414 100644
--- a/drivers/staging/iio/cdc/ad7150.c
+++ b/drivers/staging/iio/cdc/ad7150.c
@@ -585,7 +585,8 @@ static int __devinit ad7150_probe(struct i2c_client *client,
NULL,
&ad7150_event_handler,
IRQF_TRIGGER_RISING |
- IRQF_TRIGGER_FALLING,
+ IRQF_TRIGGER_FALLING |
+ IRQF_ONESHOT,
"ad7150_irq1",
indio_dev);
if (ret)
@@ -598,7 +599,8 @@ static int __devinit ad7150_probe(struct i2c_client *client,
NULL,
&ad7150_event_handler,
IRQF_TRIGGER_RISING |
- IRQF_TRIGGER_FALLING,
+ IRQF_TRIGGER_FALLING |
+ IRQF_ONESHOT,
"ad7150_irq2",
indio_dev);
if (ret)
--
1.7.10
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] staging:iio: Request threaded-only IRQs with IRQF_ONESHOT
2012-07-02 8:54 [PATCH] staging:iio: Request threaded-only IRQs with IRQF_ONESHOT Lars-Peter Clausen
@ 2012-07-03 19:40 ` Jonathan Cameron
0 siblings, 0 replies; 2+ messages in thread
From: Jonathan Cameron @ 2012-07-03 19:40 UTC (permalink / raw)
To: Lars-Peter Clausen; +Cc: linux-iio
On 07/02/2012 09:54 AM, Lars-Peter Clausen wrote:
> Since commit 1c6c69525b ("genirq: Reject bogus threaded irq requests") threaded
> IRQs without a primary handler need to be requested with IRQF_ONESHOT, otherwise
> the request will fail. This patch adds the IRQF_ONESHOT to IIO drivers where it
> is missing.
>
ouch. Thanks for clearing these up.
> Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
merged into fixes
> ---
> drivers/staging/iio/accel/sca3000_core.c | 2 +-
> drivers/staging/iio/adc/ad7816.c | 2 +-
> drivers/staging/iio/adc/adt7310.c | 5 +++--
> drivers/staging/iio/adc/adt7410.c | 5 +++--
> drivers/staging/iio/cdc/ad7150.c | 6 ++++--
> 5 files changed, 12 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/staging/iio/accel/sca3000_core.c b/drivers/staging/iio/accel/sca3000_core.c
> index 6ec5c20..c218d71 100644
> --- a/drivers/staging/iio/accel/sca3000_core.c
> +++ b/drivers/staging/iio/accel/sca3000_core.c
> @@ -1189,7 +1189,7 @@ static int __devinit sca3000_probe(struct spi_device *spi)
> ret = request_threaded_irq(spi->irq,
> NULL,
> &sca3000_event_handler,
> - IRQF_TRIGGER_FALLING,
> + IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
> "sca3000",
> indio_dev);
> if (ret)
> diff --git a/drivers/staging/iio/adc/ad7816.c b/drivers/staging/iio/adc/ad7816.c
> index 5356b09..c5fb947 100644
> --- a/drivers/staging/iio/adc/ad7816.c
> +++ b/drivers/staging/iio/adc/ad7816.c
> @@ -402,7 +402,7 @@ static int __devinit ad7816_probe(struct spi_device *spi_dev)
> ret = request_threaded_irq(spi_dev->irq,
> NULL,
> &ad7816_event_handler,
> - IRQF_TRIGGER_LOW,
> + IRQF_TRIGGER_LOW | IRQF_ONESHOT,
> indio_dev->name,
> indio_dev);
> if (ret)
> diff --git a/drivers/staging/iio/adc/adt7310.c b/drivers/staging/iio/adc/adt7310.c
> index e5f1ed7..44dcf63 100644
> --- a/drivers/staging/iio/adc/adt7310.c
> +++ b/drivers/staging/iio/adc/adt7310.c
> @@ -778,7 +778,7 @@ static int __devinit adt7310_probe(struct spi_device *spi_dev)
> ret = request_threaded_irq(spi_dev->irq,
> NULL,
> &adt7310_event_handler,
> - irq_flags,
> + irq_flags | IRQF_ONESHOT,
> indio_dev->name,
> indio_dev);
> if (ret)
> @@ -790,7 +790,8 @@ static int __devinit adt7310_probe(struct spi_device *spi_dev)
> ret = request_threaded_irq(adt7310_platform_data[0],
> NULL,
> &adt7310_event_handler,
> - adt7310_platform_data[1],
> + adt7310_platform_data[1] |
> + IRQF_ONESHOT,
> indio_dev->name,
> indio_dev);
> if (ret)
> diff --git a/drivers/staging/iio/adc/adt7410.c b/drivers/staging/iio/adc/adt7410.c
> index 917b692..a2defe6 100644
> --- a/drivers/staging/iio/adc/adt7410.c
> +++ b/drivers/staging/iio/adc/adt7410.c
> @@ -742,7 +742,7 @@ static int __devinit adt7410_probe(struct i2c_client *client,
> ret = request_threaded_irq(client->irq,
> NULL,
> &adt7410_event_handler,
> - IRQF_TRIGGER_LOW,
> + IRQF_TRIGGER_LOW | IRQF_ONESHOT,
> id->name,
> indio_dev);
> if (ret)
> @@ -754,7 +754,8 @@ static int __devinit adt7410_probe(struct i2c_client *client,
> ret = request_threaded_irq(adt7410_platform_data[0],
> NULL,
> &adt7410_event_handler,
> - adt7410_platform_data[1],
> + adt7410_platform_data[1] |
> + IRQF_ONESHOT,
> id->name,
> indio_dev);
> if (ret)
> diff --git a/drivers/staging/iio/cdc/ad7150.c b/drivers/staging/iio/cdc/ad7150.c
> index a16d1a2..6a40414 100644
> --- a/drivers/staging/iio/cdc/ad7150.c
> +++ b/drivers/staging/iio/cdc/ad7150.c
> @@ -585,7 +585,8 @@ static int __devinit ad7150_probe(struct i2c_client *client,
> NULL,
> &ad7150_event_handler,
> IRQF_TRIGGER_RISING |
> - IRQF_TRIGGER_FALLING,
> + IRQF_TRIGGER_FALLING |
> + IRQF_ONESHOT,
> "ad7150_irq1",
> indio_dev);
> if (ret)
> @@ -598,7 +599,8 @@ static int __devinit ad7150_probe(struct i2c_client *client,
> NULL,
> &ad7150_event_handler,
> IRQF_TRIGGER_RISING |
> - IRQF_TRIGGER_FALLING,
> + IRQF_TRIGGER_FALLING |
> + IRQF_ONESHOT,
> "ad7150_irq2",
> indio_dev);
> if (ret)
>
^ permalink raw reply [flat|nested] 2+ messages in thread
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