From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eugen Hristev Subject: [PATCH 08/14] iio: triggers: add private data to pollfuncs Date: Fri, 22 Dec 2017 17:07:15 +0200 Message-ID: <1513955241-10985-9-git-send-email-eugen.hristev@microchip.com> References: <1513955241-10985-1-git-send-email-eugen.hristev@microchip.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1513955241-10985-1-git-send-email-eugen.hristev@microchip.com> Sender: linux-kernel-owner@vger.kernel.org To: nicolas.ferre@microchip.com, ludovic.desroches@microchip.com, alexandre.belloni@free-electrons.com, linux-iio@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, jic23@kernel.org, linux-input@vger.kernel.org, dmitry.torokhov@gmail.com Cc: Eugen Hristev List-Id: devicetree@vger.kernel.org Add a private data pointer field to pollfunc struct. This is useful in the trigger handler to get specific data for the driver registering the pollfunc. Signed-off-by: Eugen Hristev --- include/linux/iio/trigger_consumer.h | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/include/linux/iio/trigger_consumer.h b/include/linux/iio/trigger_consumer.h index 36e2a02..13be595 100644 --- a/include/linux/iio/trigger_consumer.h +++ b/include/linux/iio/trigger_consumer.h @@ -29,6 +29,7 @@ struct iio_trigger; * @timestamp: some devices need a timestamp grabbed as soon * as possible after the trigger - hence handler * passes it via here. + * @p: private data for the poll func owner. **/ struct iio_poll_func { struct iio_dev *indio_dev; @@ -38,6 +39,7 @@ struct iio_poll_func { char *name; int irq; s64 timestamp; + void *p; }; @@ -49,6 +51,13 @@ struct iio_poll_func const char *fmt, ...); void iio_dealloc_pollfunc(struct iio_poll_func *pf); + +static inline void +iio_pollfunc_set_private_data(struct iio_poll_func *pf, void *p) +{ + pf->p = p; +} + irqreturn_t iio_pollfunc_store_time(int irq, void *p); void iio_trigger_notify_done(struct iio_trigger *trig); -- 2.7.4