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Date: Sat, 19 Jan 2019 19:03:03 +0000
From: Jonathan Cameron <jic23@...nel.org>
To: Shreeya Patel <shreeya.patel23498@...il.com>
Cc: lars@...afoo.de, Michael.Hennerich@...log.com, knaack.h@....de,
pmeerw@...erw.net, gregkh@...uxfoundation.org,
linux-iio@...r.kernel.org, devel@...verdev.osuosl.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/3] Staging: iio: adt7316: Remove irq from bus
structure
On Sun, 20 Jan 2019 00:09:30 +0530
Shreeya Patel <shreeya.patel23498@...il.com> wrote:
> interrupt request is not needed to be present in the bus
> structure. It is a good option to pass it as a parameter
> in the probe function instead of having it in the bus structure.
>
> Signed-off-by: Shreeya Patel <shreeya.patel23498@...il.com>
Hi Shreeya,
I just tried applying this to the current testing branch of
iio.git and unfortunately it doesn't apply. Please rebase
on that as there have been various changes.
Superficially I think it is all white space related and a bit
of code movement, but I'd rather you made sure the rebase
worked well than I made assumptions!
The change looks good otherwise.
Jonathan
> ---
> drivers/staging/iio/addac/adt7316-i2c.c | 3 +--
> drivers/staging/iio/addac/adt7316-spi.c | 4 ++--
> drivers/staging/iio/addac/adt7316.c | 15 +++++++--------
> drivers/staging/iio/addac/adt7316.h | 3 +--
> 4 files changed, 11 insertions(+), 14 deletions(-)
>
> diff --git a/drivers/staging/iio/addac/adt7316-i2c.c b/drivers/staging/iio/addac/adt7316-i2c.c
> index ac91163656b5..335c17731cf7 100644
> --- a/drivers/staging/iio/addac/adt7316-i2c.c
> +++ b/drivers/staging/iio/addac/adt7316-i2c.c
> @@ -103,14 +103,13 @@ static int adt7316_i2c_probe(struct i2c_client *client,
> {
> struct adt7316_bus bus = {
> .client = client,
> - .irq = client->irq,
> .read = adt7316_i2c_read,
> .write = adt7316_i2c_write,
> .multi_read = adt7316_i2c_multi_read,
> .multi_write = adt7316_i2c_multi_write,
> };
>
> - return adt7316_probe(&client->dev, &bus, id->name);
> + return adt7316_probe(&client->dev, &bus, id->name, client->irq);
> }
>
> static const struct i2c_device_id adt7316_i2c_id[] = {
> diff --git a/drivers/staging/iio/addac/adt7316-spi.c b/drivers/staging/iio/addac/adt7316-spi.c
> index e75827e326a6..adaaa3eecd04 100644
> --- a/drivers/staging/iio/addac/adt7316-spi.c
> +++ b/drivers/staging/iio/addac/adt7316-spi.c
> @@ -93,7 +93,6 @@ static int adt7316_spi_probe(struct spi_device *spi_dev)
> {
> struct adt7316_bus bus = {
> .client = spi_dev,
> - .irq = spi_dev->irq,
> .read = adt7316_spi_read,
> .write = adt7316_spi_write,
> .multi_read = adt7316_spi_multi_read,
> @@ -112,7 +111,8 @@ static int adt7316_spi_probe(struct spi_device *spi_dev)
> adt7316_spi_write(spi_dev, 0, 0);
> adt7316_spi_write(spi_dev, 0, 0);
>
> - return adt7316_probe(&spi_dev->dev, &bus, spi_dev->modalias);
> + return adt7316_probe(&spi_dev->dev, &bus, spi_dev->modalias,
> + spi_dev->irq);
> }
>
> static const struct spi_device_id adt7316_spi_id[] = {
> diff --git a/drivers/staging/iio/addac/adt7316.c b/drivers/staging/iio/addac/adt7316.c
> index 1ca4ee0f30ee..6b4b80fd80cc 100644
> --- a/drivers/staging/iio/addac/adt7316.c
> +++ b/drivers/staging/iio/addac/adt7316.c
> @@ -1807,12 +1807,12 @@ static irqreturn_t adt7316_event_handler(int irq, void *private)
> return IRQ_HANDLED;
> }
>
> -static int adt7316_setup_irq(struct iio_dev *indio_dev)
> +static int adt7316_setup_irq(struct iio_dev *indio_dev, int irq)
> {
> struct adt7316_chip_info *chip = iio_priv(indio_dev);
> int irq_type, ret;
>
> - irq_type = irqd_get_trigger_type(irq_get_irq_data(chip->bus.irq));
> + irq_type = irqd_get_trigger_type(irq_get_irq_data(irq));
>
> switch (irq_type) {
> case IRQF_TRIGGER_HIGH:
> @@ -1828,13 +1828,12 @@ static int adt7316_setup_irq(struct iio_dev *indio_dev)
> break;
> }
>
> - ret = devm_request_threaded_irq(&indio_dev->dev, chip->bus.irq,
> + ret = devm_request_threaded_irq(&indio_dev->dev, irq,
> NULL, adt7316_event_handler,
> irq_type | IRQF_ONESHOT,
> indio_dev->name, indio_dev);
> if (ret) {
> - dev_err(&indio_dev->dev, "failed to request irq %d\n",
> - chip->bus.irq);
> + dev_err(&indio_dev->dev, "failed to request irq %d\n", irq);
> return ret;
> }
>
> @@ -2134,7 +2133,7 @@ static const struct iio_info adt7516_info = {
> * device probe and remove
> */
> int adt7316_probe(struct device *dev, struct adt7316_bus *bus,
> - const char *name)
> + const char *name, int irq)
> {
> struct adt7316_chip_info *chip;
> struct iio_dev *indio_dev;
> @@ -2180,8 +2179,8 @@ int adt7316_probe(struct device *dev, struct adt7316_bus *bus,
> indio_dev->name = name;
> indio_dev->modes = INDIO_DIRECT_MODE;
>
> - if (chip->bus.irq > 0) {
> - ret = adt7316_setup_irq(indio_dev);
> + if (irq > 0) {
> + ret = adt7316_setup_irq(indio_dev, irq);
> if (ret)
> return ret;
> }
> diff --git a/drivers/staging/iio/addac/adt7316.h b/drivers/staging/iio/addac/adt7316.h
> index fd7c5c92b599..03d5300a98cd 100644
> --- a/drivers/staging/iio/addac/adt7316.h
> +++ b/drivers/staging/iio/addac/adt7316.h
> @@ -16,7 +16,6 @@
>
> struct adt7316_bus {
> void *client;
> - int irq;
> int (*read)(void *client, u8 reg, u8 *data);
> int (*write)(void *client, u8 reg, u8 val);
> int (*multi_read)(void *client, u8 first_reg, u8 count, u8 *data);
> @@ -30,6 +29,6 @@ extern const struct dev_pm_ops adt7316_pm_ops;
> #define ADT7316_PM_OPS NULL
> #endif
> int adt7316_probe(struct device *dev, struct adt7316_bus *bus,
> - const char *name);
> + const char *name, int irq);
>
> #endif
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