From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jonathan Cameron Subject: Re: [PATCH 1/3] staging:iio:magnetometer:ak8975 Don't use irq_to_gpio() Date: Thu, 01 Sep 2011 10:07:26 +0100 Message-ID: <4E5F4B4E.5060801@cam.ac.uk> References: <1314819657-828-1-git-send-email-swarren@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1314819657-828-1-git-send-email-swarren@nvidia.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: devel-bounces@linuxdriverproject.org Sender: devel-bounces@linuxdriverproject.org To: Stephen Warren Cc: devel@driverdev.osuosl.org, Andrew Chew , Arnd Bergmann , linux-iio@vger.kernel.org, Greg Kroah-Hartman , linux-kernel@vger.kernel.org, linux-tegra@vger.kernel.org, Russell King List-Id: linux-tegra@vger.kernel.org On 08/31/11 20:40, Stephen Warren wrote: > Tegra doesn't have irq_to_gpio() any more, and ak8975 is included in > tegra_defconfig. This causes a build failure. Solve this with a heavy-handed > method for now. > > I suspect the long-term solution is to pass both the IRQ and GPIO IDs > to the driver; the GPIO ID coming from either platform data, or perhaps > enhancing struct i2c_client to add a gpio field alongside irq. Definitely on the platform data front. We need some means of doing this now hence my patch putting most trivial form of that in. > > Signed-off-by: Stephen Warren Acked-by: Jonathan Cameron > --- > Russell, now that irq_to_gpio() is going away, can you comment on how > you'd like to fix drivers that do this kind of thing? Thanks. > > drivers/staging/iio/magnetometer/ak8975.c | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > > diff --git a/drivers/staging/iio/magnetometer/ak8975.c b/drivers/staging/iio/magnetometer/ak8975.c > index a17fa9f..bd40e32 100644 > --- a/drivers/staging/iio/magnetometer/ak8975.c > +++ b/drivers/staging/iio/magnetometer/ak8975.c > @@ -477,7 +477,7 @@ static int ak8975_probe(struct i2c_client *client, > int err; > > /* Grab and set up the supplied GPIO. */ > - eoc_gpio = irq_to_gpio(client->irq); > + eoc_gpio = -1; /* FIXME: irq_to_gpio(client->irq) */ > > /* We may not have a GPIO based IRQ to scan, that is fine, we will > poll if so */