linux-kernel - RE: [PATCH] iio: gyro: bmg160: only set power state if PM

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Date:	Mon, 8 Sep 2014 13:50:01 +0000
From:	"Tirdea, Irina" <irina.tirdea@...el.com>
To:	Hartmut Knaack <knaack.h@....de>
CC:	Lars-Peter Clausen <lars@...afoo.de>,
	Peter Meerwald <pmeerw@...erw.net>,
	Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Jonathan Cameron" <jic23@...nel.org>,
	"linux-iio@...r.kernel.org" <linux-iio@...r.kernel.org>
Subject: RE: [PATCH] iio: gyro: bmg160: only set power state if PM_RUNTIME
 is defined


> -----Original Message-----
> From: linux-iio-owner@...r.kernel.org [mailto:linux-iio-owner@...r.kernel.org] On Behalf Of Hartmut Knaack
> Sent: 06 September, 2014 15:12
> To: Tirdea, Irina; Jonathan Cameron; linux-iio@...r.kernel.org
> Cc: Lars-Peter Clausen; Peter Meerwald; Srinivas Pandruvada; linux-kernel@...r.kernel.org
> Subject: Re: [PATCH] iio: gyro: bmg160: only set power state if PM_RUNTIME is defined
> 
> Irina Tirdea schrieb:
> > When CONFIG_PM_RUNTIME is not defined and bmg160 tries to power
> > off the device, bmg160_set_power_state will call pm_runtime_put_autosuspend,
> > which is not implemented (wil return -ENOSYS).
> >
> > Only call bmg160_set_power_state when CONFIG_PM_RUNTIME is defined.
> Unless there is anything more to come, what about putting the #ifdef into first line inside bmg160_set_power_state() and just an
> #endif before the return 0 at the end? Saves 5 lines.

Thanks for the suggestion! Will fix it in v2.

> > Signed-off-by: Irina Tirdea <irina.tirdea@...el.com>
> > Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
> > ---


Thanks,
Irina

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