From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?q?Pali=20Roh=C3=A1r?= Date: Wed, 10 Jul 2013 13:08:59 +0000 Subject: =?UTF-8?q?=5BPATCH=5D=20omapfb=3A=20In=20omapfb=5Fprobe=20return=20-EPROBE=5FDEFER=20when=20display= Message-Id: <1373461739-10168-1-git-send-email-pali.rohar@gmail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable To: Tomi Valkeinen , Jean-Christophe Plagniol-Villard Cc: linux-omap@vger.kernel.org, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, Pavel Machek , Aaro Koskinen , Tony Lindgren , =?UTF-8?q?Pali=20Roh=C3=A1r?= * On RX-51 probing for acx565akm driver is later then for omapfb which caus= e that omapfb probe fail and framebuffer is not working * EPROBE_DEFER causing that kernel try to probe for omapfb later again whic= h fixing this problem * Without this patch display on Nokia RX-51 (N900) phone not working Signed-off-by: Pali Roh=C3=A1r --- drivers/video/omap2/omapfb/omapfb-main.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/video/omap2/omapfb/omapfb-main.c b/drivers/video/omap2= /omapfb/omapfb-main.c index 856917b..93e7c84 100644 --- a/drivers/video/omap2/omapfb/omapfb-main.c +++ b/drivers/video/omap2/omapfb/omapfb-main.c @@ -2419,6 +2419,15 @@ static int omapfb_probe(struct platform_device *pdev) if (omapdss_is_initialized() =3D false) return -EPROBE_DEFER; =20 + dssdev =3D NULL; + for_each_dss_dev(dssdev) { + if (!dssdev->driver) { + dev_warn(&pdev->dev, "no driver for display: %s\n", + dssdev->name); + return -EPROBE_DEFER; + } + } + if (pdev->num_resources !=3D 0) { dev_err(&pdev->dev, "probed for an unknown device\n"); r =3D -ENODEV; --=20 1.7.10.4