Re: [PATCH v2] add support for Freescale's MMA8653FC 10 bit accelerometer

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On Wed, Mar 18, 2015 at 05:42:13PM +0100, Martin Kepplinger wrote:
> Am 2015-03-18 um 17:21 schrieb Alexander Stein:
> > On Wednesday 18 March 2015 16:55:57, Martin Kepplinger wrote:
> >> From: Martin Kepplinger <martin.kepplinger@xxxxxxxxxxxxxxxxxxxxx>
> >>
> >> The MMA8653FC is a low-power, three-axis, capacitive micromachined
> >> accelerometer with 10 bits of resolution with flexible user-programmable
> >> options.
> >>
> >> Embedded interrupt functions enable overall power savings, by relieving the
> >> host processor from continuously polling data, for example using the poll()
> >> system call.
> >>
> >> The device can be configured to generate wake-up interrupt signals from any
> >> combination of the configurable embedded functions, enabling the MMA8653FC
> >> to monitor events while remaining in a low-power mode during periods of
> >> inactivity.
> >>
> >> This driver provides devicetree properties to program the device's behaviour
> >> and a simple, tested and documented sysfs interface. The data sheet and more
> >> information is available on Freescale's website.
> >>
> >> Signed-off-by: Martin Kepplinger <martin.kepplinger@xxxxxxxxxxxxxxxxxxxxx>
> >> Signed-off-by: Christoph Muellner <christoph.muellner@xxxxxxxxxxxxxxxxxxxxx>
> >> ---
> >> applies to v4.0-rc4 and the current -next.
> >>
> >> patch revision history
> >> ......................
> >> v2 corrects licensing and commit messages and adds appropriate recipients
> >>
> >>  .../testing/sysfs-bus-i2c-devices-fsl-mma8653fc    |  39 +
> >>  .../devicetree/bindings/misc/fsl,mma8653fc.txt     |  96 +++
> >>  MAINTAINERS                                        |   5 +
> >>  drivers/input/misc/Kconfig                         |  11 +
> >>  drivers/input/misc/Makefile                        |   1 +
> >>  drivers/input/misc/mma8653fc.c                     | 913 +++++++++++++++++++++
> >>  6 files changed, 1065 insertions(+)
> >>  create mode 100644 Documentation/ABI/testing/sysfs-bus-i2c-devices-fsl-mma8653fc
> >>  create mode 100644 Documentation/devicetree/bindings/misc/fsl,mma8653fc.txt
> >>  create mode 100644 drivers/input/misc/mma8653fc.c
> > 
> > Shouldn't this go to drivers/iio/magnetometer instead of defining a new sysfs ABI?
> > 
> 
> It could have gone to drivers/iio/accel if it would use an iio
> interface, which would make more sense, you are right, but I simply
> don't have the time to merge it in to iio.
> 
> It doesn't use an input interface either but I don't see a good place
> for an accelerometer that uses sysfs only.

drivers/misc? Since it is not using input infrastructure (nor should
it), it does not belong in drivers/input.

Thanks.

-- 
Dmitry
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