From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfram Sang Date: Fri, 23 Oct 2015 12:14:39 +0000 Subject: Re: [PATCH 5/9] i2c: rcar: init new messages in irq Message-Id: <20151023121439.GK13380@katana> MIME-Version: 1 Content-Type: multipart/mixed; boundary="W2ydbIOJmkm74tJ2" List-Id: References: <1441311613-2681-1-git-send-email-wsa@the-dreams.de> <2048622.tkxROUAu7P@avalon> <20151023094500.GD13380@katana> <36149610.Eic43bQLgJ@avalon> In-Reply-To: <36149610.Eic43bQLgJ@avalon> To: Laurent Pinchart Cc: linux-i2c@vger.kernel.org, linux-sh@vger.kernel.org, Magnus Damm , Simon Horman , Geert Uytterhoeven , Kuninori Morimoto , Yoshihiro Kaneko , Sergei Shtylyov --W2ydbIOJmkm74tJ2 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable > > :/ Let me know if I can send you debug output. >=20 > What's the exact issue ? Best report ever: I simply don't get a picture :) No warnings, no messages. I think we want to make sure my HDMI->DVI converter is proper, though. > > > .config attached. > >=20 > > That one also probes for me... I only disabled DHCP and added my initra= mfs. > > I patched the fbdev build error out and changed Lager dts to use i2c-rc= ar > > (instead of i2c-sh_mobile). I made the ADV7180 and AK4642 built-in and this kernel still probes rcar-du on my Lager and Magnus' Koelsch... > -0 [000] d.h1 1.498063: rcar_i2c_irq: msr 09090909 > -0 [000] d.h1 1.498075: rcar_i2c_irq: msr 08080808 > -0 [000] d.h1 1.498266: rcar_i2c_irq: msr 07070707 > -0 [000] d.h1 1.498348: rcar_i2c_irq: msr 06060606 > -0 [000] d.h1 1.498465: rcar_i2c_irq: msr 49494949 So, here is the NACK bit set. Which does not happen on my Lager and Magnus' Koelsch. I am starting to wonder if you have a board with HW issues? Could it be another I2C device interfering? Do you happen to know if you have an earlier revision of Koelsch? Thanks, Wolfram --W2ydbIOJmkm74tJ2 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJWKiSvAAoJEBQN5MwUoCm2bdUQAIq1ZRAlZBs6jYSv11i9F1yO cp82aYXyuXXPGQDZLBncDc9aWyFpG7uHTDe8L+/7fgtAvnRwIlY+vzOh1M8/6eS4 IjtAtk1o0XMhv8YE/7qRcOUBT64zQvpapYWcWCleih8CT0+EeuGNnyUWGKJXeyoM JPT6vdlNU2fUdNf7qdhMwqqR5TjVDK+BQaovOD4IO+vRlrM1wPWypGPueFRm99xm VyR9EqaYfBnx4W7Ip/K7ujOW2aejvM5+cAo/BCm+uLT5qbEOIaOsevy5GAJPw2p4 d9O/DjyhYczlum6tzDNo+8FfhRyDNft2qeLcjwuY2sfv0slpSjhLMguyOwcNHbL1 ibwxDrdxDrBqUXnD7XkKcJBWO+dvufWA+TGANBnOQ3qQiLxGtICMeGSbOdtSSaId EVA/oEwK6KLmy5AbXUwnPCEREeRTG1mHSEUpEXyMp1Gi16UkSOQvCOIW2NJDwPa9 XFfez1BL7YyPnQtH3W0bxDs7v7nu6WHrmCDgRUuw2Jgs2J8x3jpAkdWQMVb7KzQo OtY5coX4A7BsF2OUzSoTSg1sdC7GnbY/UtdPwAw/nxKNv7ZXKN/u06rwkE/6gESz IwvEIhGsBGqvqHWpn/Ihn6En9bams9p1iQmLPNFu1UJCW12I4GZBKAqGJp6Vm5r0 Rc6gkD2WbhlHXMlGhYaz =Yg2e -----END PGP SIGNATURE----- --W2ydbIOJmkm74tJ2-- From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfram Sang Subject: Re: [PATCH 5/9] i2c: rcar: init new messages in irq Date: Fri, 23 Oct 2015 14:14:39 +0200 Message-ID: <20151023121439.GK13380@katana> References: <1441311613-2681-1-git-send-email-wsa@the-dreams.de> <2048622.tkxROUAu7P@avalon> <20151023094500.GD13380@katana> <36149610.Eic43bQLgJ@avalon> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="W2ydbIOJmkm74tJ2" Return-path: Content-Disposition: inline In-Reply-To: <36149610.Eic43bQLgJ@avalon> Sender: linux-sh-owner@vger.kernel.org To: Laurent Pinchart Cc: linux-i2c@vger.kernel.org, linux-sh@vger.kernel.org, Magnus Damm , Simon Horman , Geert Uytterhoeven , Kuninori Morimoto , Yoshihiro Kaneko , Sergei Shtylyov List-Id: linux-i2c@vger.kernel.org --W2ydbIOJmkm74tJ2 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable > > :/ Let me know if I can send you debug output. >=20 > What's the exact issue ? Best report ever: I simply don't get a picture :) No warnings, no messages. I think we want to make sure my HDMI->DVI converter is proper, though. > > > .config attached. > >=20 > > That one also probes for me... I only disabled DHCP and added my initra= mfs. > > I patched the fbdev build error out and changed Lager dts to use i2c-rc= ar > > (instead of i2c-sh_mobile). I made the ADV7180 and AK4642 built-in and this kernel still probes rcar-du on my Lager and Magnus' Koelsch... > -0 [000] d.h1 1.498063: rcar_i2c_irq: msr 09090909 > -0 [000] d.h1 1.498075: rcar_i2c_irq: msr 08080808 > -0 [000] d.h1 1.498266: rcar_i2c_irq: msr 07070707 > -0 [000] d.h1 1.498348: rcar_i2c_irq: msr 06060606 > -0 [000] d.h1 1.498465: rcar_i2c_irq: msr 49494949 So, here is the NACK bit set. Which does not happen on my Lager and Magnus' Koelsch. I am starting to wonder if you have a board with HW issues? Could it be another I2C device interfering? Do you happen to know if you have an earlier revision of Koelsch? Thanks, Wolfram --W2ydbIOJmkm74tJ2 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJWKiSvAAoJEBQN5MwUoCm2bdUQAIq1ZRAlZBs6jYSv11i9F1yO cp82aYXyuXXPGQDZLBncDc9aWyFpG7uHTDe8L+/7fgtAvnRwIlY+vzOh1M8/6eS4 IjtAtk1o0XMhv8YE/7qRcOUBT64zQvpapYWcWCleih8CT0+EeuGNnyUWGKJXeyoM JPT6vdlNU2fUdNf7qdhMwqqR5TjVDK+BQaovOD4IO+vRlrM1wPWypGPueFRm99xm VyR9EqaYfBnx4W7Ip/K7ujOW2aejvM5+cAo/BCm+uLT5qbEOIaOsevy5GAJPw2p4 d9O/DjyhYczlum6tzDNo+8FfhRyDNft2qeLcjwuY2sfv0slpSjhLMguyOwcNHbL1 ibwxDrdxDrBqUXnD7XkKcJBWO+dvufWA+TGANBnOQ3qQiLxGtICMeGSbOdtSSaId EVA/oEwK6KLmy5AbXUwnPCEREeRTG1mHSEUpEXyMp1Gi16UkSOQvCOIW2NJDwPa9 XFfez1BL7YyPnQtH3W0bxDs7v7nu6WHrmCDgRUuw2Jgs2J8x3jpAkdWQMVb7KzQo OtY5coX4A7BsF2OUzSoTSg1sdC7GnbY/UtdPwAw/nxKNv7ZXKN/u06rwkE/6gESz IwvEIhGsBGqvqHWpn/Ihn6En9bams9p1iQmLPNFu1UJCW12I4GZBKAqGJp6Vm5r0 Rc6gkD2WbhlHXMlGhYaz =Yg2e -----END PGP SIGNATURE----- --W2ydbIOJmkm74tJ2--