From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Machek Subject: Re: n950: mmc fails to work, omap_hsmmc 480b4000.mmc: RX DMA channel request failed ? was Re: 4.13 (and probably all recent) kernels refuse to boot on one Nokia N950, work or another Date: Mon, 30 Oct 2017 21:02:59 +0100 Message-ID: <20171030200259.GA13560@amd> References: <20171025203459.GA22035@amd> <20171025212806.GA21504@atomide.com> <20171026091325.GA26929@amd> <20171026093115.4bc6ctxjx72ng7ld@earth> <20171026095734.GA10141@amd> <20171026120130.dicanunwcdmjntnb@earth> <20171027101905.GA4287@amd> <65ad0b63-cfae-f7ac-f916-32fd0c7c540a@gmail.com> <20171030194340.GA9133@amd> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="W/nzBZO5zC0uMSeA" Return-path: Content-Disposition: inline In-Reply-To: <20171030194340.GA9133@amd> Sender: linux-kernel-owner@vger.kernel.org To: Filip =?utf-8?Q?Matijevi=C4=87?= Cc: Sebastian Reichel , Tony Lindgren , pali.rohar@gmail.com, kernel list , linux-arm-kernel , linux-omap@vger.kernel.org, khilman@kernel.org, aaro.koskinen@iki.fi, ivo.g.dimitrov.75@gmail.com, patrikbachan@gmail.com, serge@hallyn.com, abcloriens@gmail.com, clayton@craftyguy.net, martijn@brixit.nl, sakari.ailus@linux.intel.com List-Id: linux-omap@vger.kernel.org --W/nzBZO5zC0uMSeA Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi! > Then I was (finally!) able to run dmesg, and that tells me: >=20 > [ 0.816040] mousedev: PS/2 mouse device common for all mice > [ 0.817657] input: TWL4030 Keypad as > /devices/platform/68000000.ocp/48070000.i2c/i2c-0/0-0048/48070000.i2c:twl= @48:keypad/input/input0 > [ 0.820800] i2c /dev entries driver > [ 0.830261] omap_wdt: OMAP Watchdog Timer Rev 0x31: initial timeout > 60 sec > [ 0.836212] omap_hsmmc 480b4000.mmc: RX DMA channel request failed > [ 0.840026] ledtrig-cpu: registered to indicate activity on CPUs > [ 0.840789] omap-aes 480c5000.aes: OMAP AES hw accel rev: 2.6 > [ 0.840942] omap-aes 480c5000.aes: Unable to request in DMA channel > [ 0.841644] omap-aes 480c5000.aes: will run requests pump with > realtime priority >=20 > Kernel 4.13-rc2. Aha. DMADEVICES=3Dy, then DMA_OMAP can be selected. Then mmc works. Debugging is much easier with dmesg :-). Pavel --=20 (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo= g.html --W/nzBZO5zC0uMSeA Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAln3hXMACgkQMOfwapXb+vI+qwCdEn7jRRpCgiMAN/rQDg1eNZBU spcAnim3qf3sW2iV2D5fl/y52GaXafDw =Kx9X -----END PGP SIGNATURE----- --W/nzBZO5zC0uMSeA--