From mboxrd@z Thu Jan 1 00:00:00 1970 From: Felipe Balbi Subject: Re: [RFC/RFT PATCH 0/2] SERIAL: OMAP: Remove idle handling from driver Date: Fri, 15 Feb 2013 15:08:42 +0200 Message-ID: <20130215130842.GD16558@arwen.pp.htv.fi> References: <1360929970-31934-1-git-send-email-santosh.shilimkar@ti.com> <511E323E.3050104@ti.com> <20130215130745.GC16558@arwen.pp.htv.fi> Reply-To: Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="NtwzykIc2mflq5ck" Return-path: Received: from comal.ext.ti.com ([198.47.26.152]:33081 "EHLO comal.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1161260Ab3BONI4 (ORCPT ); Fri, 15 Feb 2013 08:08:56 -0500 Content-Disposition: inline In-Reply-To: <20130215130745.GC16558@arwen.pp.htv.fi> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Felipe Balbi Cc: a0131647 , Santosh Shilimkar , linux-omap@vger.kernel.org, khilman@deeprootsystems.com, paul@pwsan.com, tony@atomide.com, vaibhav.bedia@ti.com, linux@arm.linux.org.uk, linux-arm-kernel@lists.infradead.org --NtwzykIc2mflq5ck Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Feb 15, 2013 at 03:07:45PM +0200, Felipe Balbi wrote: > On Fri, Feb 15, 2013 at 06:33:58PM +0530, a0131647 wrote: > > Hi, > > On Friday 15 February 2013 05:36 PM, Santosh Shilimkar wrote: > > >OMAP UART IP needs manual idle modes based on state of the > > >IP. Currently this is handled by the driver with function pointers > > >implemented in platform code. > > > > > >This however breaks in case of device tree because of missing > > >idle handling. > > > > > >The series tries to address the issue > > > > > >Patches has been tested on OMAP4 and OMAP5 devices where the console > > >slugishness was observed without idle mode handling. CPUIDLE and > > >suspend tested ok on these devices. > > > > > >Need help in testing on OMAP2, OMAP3 and AM3XXX devices. > > > > > Tested this series on omap3630 beagle board for: > > 1. Retention in idle and suspend. > > 2. Off mode in idle and suspend. > >=20 > > Tested-by: Sourav Poddar >=20 > try setting autosuspend_delay to -1 Also try DT boot and try to wakeup from echo mem > /sys/power/state by sending data through UART console. --=20 balbi --NtwzykIc2mflq5ck Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIcBAEBAgAGBQJRHjNaAAoJEIaOsuA1yqREBjMQAKFmRpbX1/UirvFCeV6xd74Z nYYCeyJng7V7EYGEeS/oXDXhoaOTuhjlKV9KMUQaskfT0iyAb9dyIoHJC6jqx6ZA VcfGRd8se7yCkbF2NripwRw3CI2Rl2HSNBq6vjFwW/2m8l5Rs9w8Xwb47jfdxq3B xoEFFY8w9nWlhtzBiK6YgML4fGTp0NCRgixwirpjvZBL12V6gQkgEyuNW2TJTpRD 5cXUFZzRaisOpZ5OJy/OI9hZUJQS2oY/o7k6PUUHvbmWM6WAmkxO5la0PKemUB9b KVa4NQ4azfGOTKdew3xeK0ie/Lo+KrJTAPHfB2Yy81lfpJHjCJg2XprOEV+ZUL1M jky1Cg4AaXYg1jS2tgM/9/f1YYjTPehsG6Ty925fZuQlsMBy2MDrnN1BSN9sGwk5 7rEVjsdvKiW18LSS1lMzOpmsiAcBzJF8dXIBcQ0qe/+0fVML+/1sN3DYUcejFE1x 6vb4ZaUuUacRmc8hTjbIgPzrJ6M3F4cXV6F3YfrSFND+yxTWxU3XtmQL0IUGc6Is 90+cSFMpfNzNcw/nxAkL0PJlVNFwL/X/TYhmQnyR6Pt2QhAoVxEv9+D7xsTkVb7d Ntrj1ZOPqH6i31+Gn+BSWQnqeesJAmDKsCy6Si8Pgp2nFsnHqIKIrXeS6cwuoTJY 6HVmKH5WUgWKp9JRjNtR =+tcj -----END PGP SIGNATURE----- --NtwzykIc2mflq5ck-- From mboxrd@z Thu Jan 1 00:00:00 1970 From: balbi@ti.com (Felipe Balbi) Date: Fri, 15 Feb 2013 15:08:42 +0200 Subject: [RFC/RFT PATCH 0/2] SERIAL: OMAP: Remove idle handling from driver In-Reply-To: <20130215130745.GC16558@arwen.pp.htv.fi> References: <1360929970-31934-1-git-send-email-santosh.shilimkar@ti.com> <511E323E.3050104@ti.com> <20130215130745.GC16558@arwen.pp.htv.fi> Message-ID: <20130215130842.GD16558@arwen.pp.htv.fi> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Fri, Feb 15, 2013 at 03:07:45PM +0200, Felipe Balbi wrote: > On Fri, Feb 15, 2013 at 06:33:58PM +0530, a0131647 wrote: > > Hi, > > On Friday 15 February 2013 05:36 PM, Santosh Shilimkar wrote: > > >OMAP UART IP needs manual idle modes based on state of the > > >IP. Currently this is handled by the driver with function pointers > > >implemented in platform code. > > > > > >This however breaks in case of device tree because of missing > > >idle handling. > > > > > >The series tries to address the issue > > > > > >Patches has been tested on OMAP4 and OMAP5 devices where the console > > >slugishness was observed without idle mode handling. CPUIDLE and > > >suspend tested ok on these devices. > > > > > >Need help in testing on OMAP2, OMAP3 and AM3XXX devices. > > > > > Tested this series on omap3630 beagle board for: > > 1. Retention in idle and suspend. > > 2. Off mode in idle and suspend. > > > > Tested-by: Sourav Poddar > > try setting autosuspend_delay to -1 Also try DT boot and try to wakeup from echo mem > /sys/power/state by sending data through UART console. -- balbi -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 836 bytes Desc: Digital signature URL: