From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tomi Valkeinen Subject: Re: [PATCH v4 0/5] simplefb: add clock handling code Date: Fri, 31 Oct 2014 10:15:31 +0200 Message-ID: <54534523.8080801@ti.com> References: <1413996311-4287-1-git-send-email-hdegoede@redhat.com> Reply-To: linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="ER492xxKe18xpMuW2luQFtQPIs7CSwEuS" Return-path: In-Reply-To: <1413996311-4287-1-git-send-email-hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , To: Hans de Goede Cc: Stephen Warren , Jean-Christophe Plagniol-Villard , Grant Likely , Rob Herring , Luc Verhaegen , Maxime Ripard , Mike Turquette , David Herrmann , Geert Uytterhoeven , linux-fbdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, devicetree , linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org List-Id: devicetree@vger.kernel.org --ER492xxKe18xpMuW2luQFtQPIs7CSwEuS Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable Hi Hans, On 22/10/14 19:45, Hans de Goede wrote: > -We will add a clocks property to the simplefb devicetree bindings, so > that u-boot setup framebuffers passed to the kernel (for early console= > support) can properly list the clocks used, and simplefb can claim the= m to > avoid them getting turned off, thereby breaking the early console Perhaps this has been discussed earlier, but I started to wonder if managing clocks is enough. What about regulators (to power the LCD), gpios (to keep the LCD enabled) and pinctrl (for video signals)? I guess any those could be reset by the kernel if no driver uses them. Tomi --ER492xxKe18xpMuW2luQFtQPIs7CSwEuS Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJUU0UjAAoJEPo9qoy8lh71Rq4P/iBMueYx1qH1hmpij6KbM3zy xv920ZWRO6ZmV+lvcZRE+rFJJHkjqOySvcZZxrM35Kfdmu3DgtPKAZmVlr296bhK Ler9dTX7oXjDJ1liOD+C+5GRLqpr74wWX2bDtjfhdjsQBtHIOkFVyv0/hO0G+wee X+6aiYlBBbRLizzYTPEyBLTXkI57WmfnPtLfs+11rS7FrFk+LwZ1trdGJjwY3/C3 P+kJkYrd8b5s73giOXsfgsKK4j9rMnfP3eNlEABjBPY+JRN0kQbC3PGoNKJE+CXA kkJFvxc1WdkZMFoVo32wQm2dQYEz6qPQxg4gWYJGiJrIJ3LRlep3yVPSvOafAOpu y+7KK98JgzG2wx18y2dPqbJSuTZiF/ndeiysXtHftnjDvJJaVr+OIJrPKpLrSyj/ oqUOIjB7Qs1JWFZ512u67gGzm+cN2oagnGDAW3pCOVmvMXmPCcJk2X0dSDSd23cd t6ewYybrZP5ip95vAyhFk2m9C3PbnFWWV6NKflG9vEklC9fZFKHTrXMd4O8UTBgO 0T0IXt8KLfvLCY9jWzU6Ve9mYjttUxrAaI8hjqHLb8L/BgJc9NhZ26QX1YVoYmqt 6Pk0Dyry/4vgSvKMzew3eXOe4vwqMW/G4I7NWnqf+R8yHitjHKHlzJWSiqNAczv1 0VdACYy3HLfIbv2oryev =m8dE -----END PGP SIGNATURE----- --ER492xxKe18xpMuW2luQFtQPIs7CSwEuS--