From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfram Sang Subject: Re: [PATCH] ARM: OMAP: convert I2C driver to PM QoS for MPU latency constraints Date: Sat, 6 Oct 2012 13:46:14 +0200 Message-ID: <20121006114614.GB10164@pengutronix.de> References: <1348157283-24119-1-git-send-email-j-pihet@ti.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="wq9mPyueHGvFACwf" Return-path: Content-Disposition: inline In-Reply-To: <1348157283-24119-1-git-send-email-j-pihet-l0cyMroinI0@public.gmane.org> Sender: linux-i2c-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Jean Pihet Cc: Tony Lindgren , linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, Ben Dooks , linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Jean Pihet List-Id: linux-i2c@vger.kernel.org --wq9mPyueHGvFACwf Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Sep 20, 2012 at 06:08:03PM +0200, Jean Pihet wrote: > Convert the driver from the outdated omap_pm_set_max_mpu_wakeup_lat > API to the new PM QoS API. > Since the constraint is on the MPU subsystem, use the PM_QOS_CPU_DMA_LATE= NCY > class of PM QoS. The resulting MPU constraints are used by cpuidle to > decide the next power state of the MPU subsystem. >=20 > The I2C device latency timing is derived from the FIFO size and the > clock speed and so is applicable to all OMAP SoCs. >=20 > Signed-off-by: Jean Pihet Applied to -next, thanks! --=20 Pengutronix e.K. | Wolfram Sang | Industrial Linux Solutions | http://www.pengutronix.de/ | --wq9mPyueHGvFACwf Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iEYEARECAAYFAlBwGgUACgkQD27XaX1/VRvgngCfcfkDWK/FdK+HjbKVq/Bl5/GJ HiQAn1veQAvl4OTensBE133GKXxRzKbR =Gfq7 -----END PGP SIGNATURE----- --wq9mPyueHGvFACwf--