From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lucas Stach Subject: Re: [PATCH v2 06/10] mfd: tps65910: Use the standard DT property system-power-controller Date: Mon, 27 Oct 2014 17:35:49 +0100 Message-ID: <1414427749.2421.5.camel@pengutronix.de> References: <1414427215-14380-1-git-send-email-romain.perier@gmail.com> <1414427215-14380-6-git-send-email-romain.perier@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1414427215-14380-6-git-send-email-romain.perier-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Romain Perier Cc: heiko-4mtYJXux2i+zQB+pC5nmwQ@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, lgirdwood-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, grant.likely-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, johan-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-0h96xk9xTtrk1uMJSBkQmQ@public.gmane.org, lee.jones-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, balbi-l0cyMroinI0@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, pawel.moll-5wv7dgnIgG8@public.gmane.org, ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org, galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org, linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org, swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org, thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, gnurou-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: devicetree@vger.kernel.org Am Montag, den 27.10.2014, 16:26 +0000 schrieb Romain Perier: > No longer use custom property to define poweroff capability, use the standard > DT property instead. > > Signed-off-by: Romain Perier > --- > drivers/mfd/tps65910.c | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/drivers/mfd/tps65910.c b/drivers/mfd/tps65910.c > index 7612d89..a7faff2 100644 > --- a/drivers/mfd/tps65910.c > +++ b/drivers/mfd/tps65910.c > @@ -423,8 +423,7 @@ static struct tps65910_board *tps65910_parse_dt(struct i2c_client *client, > > board_info->irq = client->irq; > board_info->irq_base = -1; > - board_info->pm_off = of_property_read_bool(np, > - "ti,system-power-controller"); > + board_info->pm_off = of_is_system_power_controller(); > > return board_info; > } You are breaking compatibility with older DTs here. This is not acceptable. You may change all in-tree DTs to use the new property and also patch the driver to understand it, but you must make sure that the driver still understands the old, custom property. And especially in this case it isn't really hard to do. Regards, Lucas -- Pengutronix e.K. | Lucas Stach | Industrial Linux Solutions | http://www.pengutronix.de/ | -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html