On Thu, 29 Aug 2024 21:19:57 +0200 Vasileios Amoiridis <vassilisamir@xxxxxxxxx> wrote: > On Thu, Aug 29, 2024 at 03:40:34PM +0300, Andy Shevchenko wrote: > > On Wed, Aug 28, 2024 at 10:51:26PM +0200, Vasileios Amoiridis wrote: > > > The BMP3xx and BMP5xx sensors have an interrupt pin which can be used as > > > a trigger for when there are data ready in the sensor for pick up. > > > > > > This use case is used along with NORMAL_MODE in the sensor, which allows > > > the sensor to do consecutive measurements depending on the ODR rate value. > > > > > > The trigger pin can be configured to be open-drain or push-pull and either > > > rising or falling edge. > > > > > > No support is added yet for interrupts for FIFO, WATERMARK and out of range > > > values. > > > > > Signed-off-by: Vasileios Amoiridis <vassilisamir@xxxxxxxxx> > > > --- > > > drivers/iio/pressure/bmp280-core.c | 231 ++++++++++++++++++++++++++++- > > > drivers/iio/pressure/bmp280.h | 21 +++ > > > 2 files changed, 250 insertions(+), 2 deletions(-) > > > > ... > > > > > +static int __bmp280_trigger_probe(struct iio_dev *indio_dev, > > > + const struct iio_trigger_ops *trigger_ops, > > > + int (*int_config)(struct bmp280_data *data), > > > + irq_handler_t irq_thread_handler) > > > +{ > > > + struct bmp280_data *data = iio_priv(indio_dev); > > > > With > > > > struct device *dev = data->dev; > > > > you may shorten some lines below and collapse a few. > > > > ACK. > > > > + struct fwnode_handle *fwnode; > > > + int ret, irq, irq_type; > > > > Why irq_type is signed? > > > > True, this can be made u32. > > > Also try to make that returned variable is closer to the end of the definition > > block. And it might be worth to follow reversed xmas tree order (longer lines > > first). > > > > > + struct irq_data *desc; > > > + > > > + irq = fwnode_irq_get(dev_fwnode(data->dev), 0); > > > + if (irq < 0) > > > + return dev_err_probe(data->dev, irq, "No interrupt found.\n"); > > > + > > > + desc = irq_get_irq_data(irq); > > > + irq_type = irqd_get_trigger_type(desc); > > > > So, altogether it may be written as > > > > irq_type = irqd_get_trigger_type(irq_get_irq_data(irq)); > > > > And looking further, we have a helper for that: > > irq_get_trigger_type(). Why not use it? > > > > I was not aware of that, I can definitely change it. Nice. A quick grep suggests a bunch of other places where this cleanup applies. Maybe I'll do it this weekend, but if not patches welcome ;) Jonathan