Re: usb: dwc2: regression on MyBook Live Duo / Canyonlands since 4.3.0-rc4

On Tuesday, May 17, 2016 04:50:48 PM John Youn wrote: > On 5/14/2016 6:11 AM, Christian Lamparter wrote: > > On Thursday, May 12, 2016 11:40:28 AM John Youn wrote: > >> On 5/12/2016 6:30 AM, Christian Lamparter wrote: > >>> On Thursday, May 12, 2016 01:55:44 PM Arnd Bergmann wrote: > On Thursd

Re: [PATCH v4] usb: dwc2: fix regression on big-endian PowerPC/ARM systems

On Friday, May 13, 2016 03:52:27 PM Arnd Bergmann wrote: > A patch that went into Linux-4.4 to fix big-endian mode on a Lantiq > MIPS system unfortunately broke big-endian operation on PowerPC > APM82181 as reported by Christian Lamparter, and likely other > systems. > > It actually introduced mul

Re: usb: dwc2: regression on MyBook Live Duo / Canyonlands since 4.3.0-rc4

On Thursday, May 12, 2016 11:40:28 AM John Youn wrote: > On 5/12/2016 6:30 AM, Christian Lamparter wrote: > > On Thursday, May 12, 2016 01:55:44 PM Arnd Bergmann wrote: > >> On Thursday 12 May 2016 11:58:18 Christian Lamparter wrote: > >> Detecting the endianess of the > >> device is probab

Re: usb: dwc2: regression on MyBook Live Duo / Canyonlands since 4.3.0-rc4

On Thursday, May 12, 2016 01:55:44 PM Arnd Bergmann wrote: > On Thursday 12 May 2016 11:58:18 Christian Lamparter wrote: > > > > > Detecting the endianess of the > > > > > device is probably the best future-proof solution, but it's also > > > > > considerably more work to do in the driver, and come

Re: usb: dwc2: regression on MyBook Live Duo / Canyonlands since 4.3.0-rc4

On Tuesday, May 10, 2016 09:23:59 AM Arnd Bergmann wrote: > On Tuesday 10 May 2016 08:37:52 Benjamin Herrenschmidt wrote: > > On Mon, 2016-05-09 at 17:08 +0200, Arnd Bergmann wrote: > > > > > > Unfortunately, I don't see any way this could be done in MIPS specific > > > code: There is typically a

[PATCH] gpio: dt-bindings: add ibm,ppc4xx-gpio binding

This patch adds binding information for IBM/AMCC/APM GPIO Controllers of the PowerPC 4XX series and compatible SoCs. The "PowerPC 405EP Embedded Processor Data Sheet" has the following to say about the GPIO controllers: " - Controller functions and GPIO registers are programmed and accessed v

Re: usb: dwc2: regression on MyBook Live Duo / Canyonlands since 4.3.0-rc4

On Sunday, May 08, 2016 08:40:55 PM Benjamin Herrenschmidt wrote: > On Sun, 2016-05-08 at 00:54 +0200, Christian Lamparter via Linuxppc-dev > wrote: > > I've been looking in getting the MyBook Live Duo's USB OTG port > > to function. The SoC is a APM82181. Which ha

usb: dwc2: regression on MyBook Live Duo / Canyonlands since 4.3.0-rc4

Hello, I've been looking in getting the MyBook Live Duo's USB OTG port to function. The SoC is a APM82181. Which has a PowerPC 464 core and related to the supported canyonlands architecture in arch/powerpc/. Currently in -next the dwc2 module doesn't load: dwc2 4bff8.usbotg: dwc2_core_reset

Re: [PATCH v1 00/23] ata: sata_dwc_460ex: make it working again

On Sunday, April 24, 2016 09:05:43 AM Julian Margetson wrote: > On 4/23/2016 3:41 PM, Christian Lamparter wrote: > > There's a known errata for the 460EX, with the CPU lockup upon > > high AHB traffic: > > > > > > "This patch implements

Re: [PATCH v1 00/23] ata: sata_dwc_460ex: make it working again

On Saturday, April 23, 2016 11:44:09 AM Julian Margetson wrote: > On 4/23/2016 8:02 AM, Julian Margetson wrote: > > On 4/22/2016 7:06 AM, Christian Lamparter wrote: > >> On Friday, April 22, 2016 06:50:44 AM Julian Margetson wrote: > >>> On 4/21/2016 4:25 PM, Christian Lamparter wrote: > On Th

Re: [PATCH v1 08/23] ata: sata_dwc_460ex: don't call ata_sff_qc_issue() on DMA commands

On Friday, April 22, 2016 11:32:00 AM David Laight wrote: > From: Andy Shevchenko > > Sent: 21 April 2016 19:15 > > ata_sff_qc_issue() can't handle DMA commands and thus we have to avoid it > > for > > them. Do call ata_bmdma_qc_issue() instead for this case. > > > > Suggested-by: Christian Lampa

Re: [PATCH v1 00/23] ata: sata_dwc_460ex: make it working again

On Friday, April 22, 2016 06:50:44 AM Julian Margetson wrote: > On 4/21/2016 4:25 PM, Christian Lamparter wrote: > > On Thursday, April 21, 2016 09:15:21 PM Andy Shevchenko wrote: > >> The last approach in the commit 8b3444852a2b ("sata_dwc_460ex: move to > >> generic > >> DMA driver") to switch t

Re: [PATCH v1 00/23] ata: sata_dwc_460ex: make it working again

On Thursday, April 21, 2016 09:15:21 PM Andy Shevchenko wrote: > The last approach in the commit 8b3444852a2b ("sata_dwc_460ex: move to generic > DMA driver") to switch to generic DMA engine API wasn't tested on bare metal. > Besides that we expecting new board support coming with the same SATA IP

Re: crash in ppc4xx-rng on canyonland

On Monday, April 18, 2016 05:59:39 PM Herbert Xu wrote: > Christian Lamparter wrote: > > > > I tried to move ppc4xx-rng into crypto4xx (see attachment - patch #1). > > The driver works as is. But I can't come up with a way to attach the > > crypto4xx driver to the ppc4xx-rng OF node cleanly. Basi

Re: crash in ppc4xx-rng on canyonland

On Tuesday, April 05, 2016 08:11:19 PM Herbert Xu wrote: > Christian Lamparter wrote: > > > > The crash is caused by a bad read in ppc4xx_rng_enable [0]. From what I > > can tell, the driver is mapping the crypto control registers. The > > problem is that they are claimed by the main crypto driver

crash in ppc4xx-rng on canyonland

I'm currently trying to port a Western Digital MyBook Live to a 4.4.6 kernel. The device has a APM82181 and the board is called Apollo-3G, which is a derivative of the "amcc,canyonland". Almost everything is working, except when I try to enable the ppc4xx-rng in the dts. Then the machine dies with