From mboxrd@z Thu Jan 1 00:00:00 1970 From: Felipe Balbi Subject: Re: [PATCH 2/3] soc: ti: Add wkup_m3_ipc driver Date: Fri, 2 Jan 2015 14:33:20 -0600 Message-ID: <20150102203320.GF4920@saruman> References: <1420228817-41310-1-git-send-email-d-gerlach@ti.com> <1420228817-41310-3-git-send-email-d-gerlach@ti.com> <20150102201643.GE4920@saruman> Reply-To: Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="ULyIDA2m8JTe+TiX" Return-path: Content-Disposition: inline In-Reply-To: <20150102201643.GE4920@saruman> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Felipe Balbi Cc: Dave Gerlach , linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Benoit Cousson , Ohad Ben-Cohen , Suman Anna , Arnd Bergmann , Kevin Hilman , Tony Lindgren List-Id: devicetree@vger.kernel.org --ULyIDA2m8JTe+TiX Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Jan 02, 2015 at 02:16:43PM -0600, Felipe Balbi wrote: > On Fri, Jan 02, 2015 at 02:00:16PM -0600, Dave Gerlach wrote: > > Introduce a wkup_m3_ipc driver to handle communication between the MPU > > and Cortex M3 wkup_m3 present on am335x. > >=20 > > This driver is responsible for actually booting the wkup_m3_rproc and > > also handling all IPC which is done using the IPC registers in the cont= rol > > module, a mailbox, and a separate interrupt back from the wkup_m3. A sm= all > > API is exposed for executing specific power commands, which include > > configuring for low power mode, request a transition to a low power mod= e, > > and status info on a previous transition. another comment is that no user of such API is provided, so it's very difficult to verify that there's no other way of implementing this. --=20 balbi --ULyIDA2m8JTe+TiX Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJUpwCQAAoJEIaOsuA1yqREvggP/1asB6h3YrByu8+OGhCJyXEc xTx38v1xEuQ+OKdU2+NXW+/PBOfFe6riiJxYbK2Lk7ylq8Wu9lFFpzqQanGXNWJY Gec7hCkOMmy0MrNBHDVlMvwzL+O5V/Om4VdtEP/6z0cFRMq3IlmJHPBMkpqTlJ72 8ICsljnEwH2d5xjYJ/JrXApG/8bNQdoGeVR6zt6Wm9lezd1MlVANQPTd/HRYyQFU Mk8P+ALBZb6oc4CKMKgxNBW85ufr2IQw3Z/I75mPoWl/KjgWa6tSaSH1iuiwlXcl SL1B/P6IS0FiJZ48HHgIAJWC2fgQSMGDQWEaqU3pn0DZ4ZJOqpYlGSQpSUH0e6oj cyFXrZL+qOgSmN4FfR3zpoWykgOV09+BHTj+o/7n/QFRjOpvY79juSKr8IpxKe5h wRsl39m964sCItaYAWzUGL8ITgbclZ14j59CX2OuHKW7xNYvWxYfUz400NWuRzew SjhwaBB3Ob31KWmhyrfl8w7Krelpve2D/mf5HXebiylUVDEV4f13xcP4pp3/X0iP i0dNLI5PX5JhUNVPwslGM/w+AXcGDUM4hdFudXWmnSAHwfSXwnDfxVI79ON9qASi DnuDIE+P14xbPIIpaXyXwejKEwOl6gt07Isla0UFqK1ctm+j5t8LNxbcRXE3EOfE AHFQoWO3U40MGkvrwMIy =3hJe -----END PGP SIGNATURE----- --ULyIDA2m8JTe+TiX-- -- 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