linux-kernel - Re: [PATCH v2 3/5] Staging: iio: adt7316: Switch irq

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20181125114957.4714a2ea@archlinux>
Date:   Sun, 25 Nov 2018 11:49:57 +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 3/5] Staging: iio: adt7316: Switch irq_flags to a
 local variable

On Tue, 20 Nov 2018 22:26:58 +0530
Shreeya Patel <shreeya.patel23498@...il.com> wrote:

> There is no need to store irq_flags into the structure as it
> is always set to the same thing. Hence switch irq_flags to a
> local variable.
> 
> Signed-off-by: Shreeya Patel <shreeya.patel23498@...il.com>
Applied to the togreg branch of iio.git and pushed out as testing
for the autobuilders to play with it.

Thanks,

Jonathan

> ---
>  drivers/staging/iio/addac/adt7316-i2c.c | 1 -
>  drivers/staging/iio/addac/adt7316-spi.c | 1 -
>  drivers/staging/iio/addac/adt7316.c     | 8 ++++----
>  drivers/staging/iio/addac/adt7316.h     | 1 -
>  4 files changed, 4 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/staging/iio/addac/adt7316-i2c.c b/drivers/staging/iio/addac/adt7316-i2c.c
> index 41bc4ca008bc..ac91163656b5 100644
> --- a/drivers/staging/iio/addac/adt7316-i2c.c
> +++ b/drivers/staging/iio/addac/adt7316-i2c.c
> @@ -104,7 +104,6 @@ static int adt7316_i2c_probe(struct i2c_client *client,
>  	struct adt7316_bus bus = {
>  		.client = client,
>  		.irq = client->irq,
> -		.irq_flags = IRQF_TRIGGER_LOW,
>  		.read = adt7316_i2c_read,
>  		.write = adt7316_i2c_write,
>  		.multi_read = adt7316_i2c_multi_read,
> diff --git a/drivers/staging/iio/addac/adt7316-spi.c b/drivers/staging/iio/addac/adt7316-spi.c
> index 5cd22743e140..e75827e326a6 100644
> --- a/drivers/staging/iio/addac/adt7316-spi.c
> +++ b/drivers/staging/iio/addac/adt7316-spi.c
> @@ -94,7 +94,6 @@ static int adt7316_spi_probe(struct spi_device *spi_dev)
>  	struct adt7316_bus bus = {
>  		.client = spi_dev,
>  		.irq = spi_dev->irq,
> -		.irq_flags = IRQF_TRIGGER_LOW,
>  		.read = adt7316_spi_read,
>  		.write = adt7316_spi_write,
>  		.multi_read = adt7316_spi_multi_read,
> diff --git a/drivers/staging/iio/addac/adt7316.c b/drivers/staging/iio/addac/adt7316.c
> index deb2f7b40f60..dfae22619287 100644
> --- a/drivers/staging/iio/addac/adt7316.c
> +++ b/drivers/staging/iio/addac/adt7316.c
> @@ -2102,6 +2102,7 @@ int adt7316_probe(struct device *dev, struct adt7316_bus *bus,
>  	struct adt7316_chip_info *chip;
>  	struct iio_dev *indio_dev;
>  	unsigned short *adt7316_platform_data = dev->platform_data;
> +	int irq_flags = IRQF_TRIGGER_LOW;
>  	int ret = 0;
>  
>  	indio_dev = devm_iio_device_alloc(dev, sizeof(*chip));
> @@ -2146,19 +2147,18 @@ int adt7316_probe(struct device *dev, struct adt7316_bus *bus,
>  
>  	if (chip->bus.irq > 0) {
>  		if (adt7316_platform_data[0])
> -			chip->bus.irq_flags = adt7316_platform_data[0];
> +			irq_flags = adt7316_platform_data[0];
>  
>  		ret = devm_request_threaded_irq(dev, chip->bus.irq,
>  						NULL,
>  						adt7316_event_handler,
> -						chip->bus.irq_flags |
> -						IRQF_ONESHOT,
> +						irq_flags | IRQF_ONESHOT,
>  						indio_dev->name,
>  						indio_dev);
>  		if (ret)
>  			return ret;
>  
> -		if (chip->bus.irq_flags & IRQF_TRIGGER_HIGH)
> +		if (irq_flags & IRQF_TRIGGER_HIGH)
>  			chip->config1 |= ADT7316_INT_POLARITY;
>  	}
>  
> diff --git a/drivers/staging/iio/addac/adt7316.h b/drivers/staging/iio/addac/adt7316.h
> index ec40fbb698a6..fd7c5c92b599 100644
> --- a/drivers/staging/iio/addac/adt7316.h
> +++ b/drivers/staging/iio/addac/adt7316.h
> @@ -17,7 +17,6 @@
>  struct adt7316_bus {
>  	void *client;
>  	int irq;
> -	int irq_flags;
>  	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);