Re: [PATCH 3.10 02/20] iio: bmg160: IIO_BUFFER and IIO_TRIGGERED_BUFFER are required

From: Markus Pargmann
Date: Thu Sep 24 2015 - 02:22:33 EST


Hi,

On Tue, Sep 22, 2015 at 11:30:25PM +0100, Luis Henriques wrote:
> On Sat, Sep 19, 2015 at 10:27:17AM -0700, Greg Kroah-Hartman wrote:
> > 3.10-stable review patch. If anyone has any objections, please let me know.
> >
> > ------------------
> >
> > From: Markus Pargmann <mpa@xxxxxxxxxxxxxx>
> >
> > commit 06d2f6ca5a38abe92f1f3a132b331eee773868c3 upstream.
> >
> > This patch adds selects for IIO_BUFFER and IIO_TRIGGERED_BUFFER. Without
> > IIO_BUFFER, the driver does not compile.
> >
> > Signed-off-by: Markus Pargmann <mpa@xxxxxxxxxxxxxx>
> > Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@xxxxxxxxxxxxxxx>
> > Signed-off-by: Jonathan Cameron <jic23@xxxxxxxxxx>
> > Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> >
> > ---
> > drivers/iio/gyro/Kconfig | 3 ++-
> > 1 file changed, 2 insertions(+), 1 deletion(-)
> >
> > --- a/drivers/iio/gyro/Kconfig
> > +++ b/drivers/iio/gyro/Kconfig
> > @@ -73,7 +73,8 @@ config IIO_ST_GYRO_SPI_3AXIS
> > config ITG3200
>
> I know it's a bit too late as this kernel has been released already,
> but this patch doesn't look right to me. The original patch is
> changing the BMG160 driver, not the ITG3200.
>
> The same applies to the 3.14 kernel -- it's changing the wrong
> driver.

Thanks, this is right. I didn't notice this but the driver was
introduced in 3.18:
22b46c45fb9b (iio:gyro:bmg160 Gyro Sensor driver)

Best Regards,

Markus

>
> Cheers,
> --
> LuÃs
>
> > tristate "InvenSense ITG3200 Digital 3-Axis Gyroscope I2C driver"
> > depends on I2C
> > - select IIO_TRIGGERED_BUFFER if IIO_BUFFER
> > + select IIO_BUFFER
> > + select IIO_TRIGGERED_BUFFER
> > help
> > Say yes here to add support for the InvenSense ITG3200 digital
> > 3-axis gyroscope sensor.
> >
> >
> > --
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