From mboxrd@z Thu Jan 1 00:00:00 1970 From: Geert Uytterhoeven Date: Wed, 30 Sep 2015 20:13:39 +0000 Subject: Re: [PATCH 30/31] ARM: shmobile: r8a7791: add USB-DMAC device nodes Message-Id: List-Id: References: <560B11FF.3010305@cogentembedded.com> <560C41C7.70200@cogentembedded.com> In-Reply-To: <560C41C7.70200@cogentembedded.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-arm-kernel@lists.infradead.org Hi Sergei, On Wed, Sep 30, 2015 at 10:10 PM, Sergei Shtylyov wrote: > On 09/30/2015 09:44 AM, Geert Uytterhoeven wrote: >>>> From: Yoshihiro Shimoda >>>> >>>> Signed-off-by: Yoshihiro Shimoda >>>> Acked-by: Geert Uytterhoeven >>>> Signed-off-by: Simon Horman >>>> --- >>>> arch/arm/boot/dts/r8a7791.dtsi | 22 ++++++++++++++++++++++ >>>> 1 file changed, 22 insertions(+) > >>> When the USB-DMAC driver is enabled, this causes kernel oops on at >>> least >>> the R8A7791 Henninger/Porter boards (haven't checked the others yet) with >>> renesas-devel-20150928-v4.3-rc3 and even earlier tag. The oops can only >>> be >>> seen with the earlyprintk=serial kernel parameter, otherwise the kernel >>> just >>> hangs with a blank console. >> >> My current kernel on r8a7791/koelsch has CONFIG_RENESAS_USB_DMAC=y and >> boots >> fine. >> >> renesas-devel-20150928-v4.3-rc3 with shmobile_defconfig + >> CONFIG_RENESAS_USB_DMAC=y also boots fine. > > Indeed, I was able to boot it all the way on Henninger. > >> Do I need to enable/disable config options to trigger this? > > It appears so. I just don't know what -- the diff between my .config and > shmobile_defconfig is 150+ hunks. :-( Can you please send me your .config by private email? Thanks! Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds From mboxrd@z Thu Jan 1 00:00:00 1970 From: geert@linux-m68k.org (Geert Uytterhoeven) Date: Wed, 30 Sep 2015 22:13:39 +0200 Subject: [PATCH 30/31] ARM: shmobile: r8a7791: add USB-DMAC device nodes In-Reply-To: <560C41C7.70200@cogentembedded.com> References: <560B11FF.3010305@cogentembedded.com> <560C41C7.70200@cogentembedded.com> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Sergei, On Wed, Sep 30, 2015 at 10:10 PM, Sergei Shtylyov wrote: > On 09/30/2015 09:44 AM, Geert Uytterhoeven wrote: >>>> From: Yoshihiro Shimoda >>>> >>>> Signed-off-by: Yoshihiro Shimoda >>>> Acked-by: Geert Uytterhoeven >>>> Signed-off-by: Simon Horman >>>> --- >>>> arch/arm/boot/dts/r8a7791.dtsi | 22 ++++++++++++++++++++++ >>>> 1 file changed, 22 insertions(+) > >>> When the USB-DMAC driver is enabled, this causes kernel oops on at >>> least >>> the R8A7791 Henninger/Porter boards (haven't checked the others yet) with >>> renesas-devel-20150928-v4.3-rc3 and even earlier tag. The oops can only >>> be >>> seen with the earlyprintk=serial kernel parameter, otherwise the kernel >>> just >>> hangs with a blank console. >> >> My current kernel on r8a7791/koelsch has CONFIG_RENESAS_USB_DMAC=y and >> boots >> fine. >> >> renesas-devel-20150928-v4.3-rc3 with shmobile_defconfig + >> CONFIG_RENESAS_USB_DMAC=y also boots fine. > > Indeed, I was able to boot it all the way on Henninger. > >> Do I need to enable/disable config options to trigger this? > > It appears so. I just don't know what -- the diff between my .config and > shmobile_defconfig is 150+ hunks. :-( Can you please send me your .config by private email? Thanks! Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds