RE: Kernel boot up

2011-08-26 Thread smitha.vanga
Thanks scott. There was an issue with the file system. Now my board is up with the linux boot prompt . But ping is not working. The local loopback ping works. My phy chip BCM5221 is connected on port A I am using FCC1 as the MAC. I see that the intrrupt handler is being registered properly. And

Re: [PATCH 2/2] mmc: Use mmc_delay() instead of mdelay() for time delay

2011-08-26 Thread Lan Chunhe
On Thu, 25 Aug 2011 18:23:35 +0800, Kyungmin Park kmp...@infradead.org wrote: On Thu, Aug 25, 2011 at 5:54 PM, Chunhe Lan chunhe@freescale.com wrote: The mmc_delay() is a wrapper function for mdelay() and msleep(). o mdelay() -- block the system when busy-waiting. o msleep() --

RE: [PATCH 2/2 v2] eSDHC: Fix errors when booting kernel with fsl esdhc

2011-08-26 Thread Zang Roy-R61911
-Original Message- From: Anton Vorontsov [mailto:cbouatmai...@gmail.com] Sent: Friday, August 12, 2011 18:05 PM To: Zang Roy-R61911 Cc: linux-...@vger.kernel.org; linuxppc-dev@lists.ozlabs.org; akpm@linux- foundation.org; Xu Lei-B33228; Kumar Gala; Wood Scott-B07421 Subject: Re:

[PATCH 1/3 v2] mmc: Move mmc_delay() to include/linux/mmc/core.h

2011-08-26 Thread Chunhe Lan
Move mmc_delay() from drivers/mmc/core/core.h to include/linux/mmc/core.h. So when other functions call it with include syntax using linux/mmc/core.h of absolute path rather than ../core/core.h of relative path. Signed-off-by: Chunhe Lan chunhe@freescale.com Cc: Chris Ball c...@laptop.org ---

[PATCH 2/3 v2] mmc: Use mmc_delay() instead of mdelay() for time delay

2011-08-26 Thread Chunhe Lan
The mmc_delay() is a wrapper function for mdelay() and msleep(). o mdelay() -- block the system when busy-waiting. o msleep() -- suspend the currently running task to enable CPU to process other tasks, so it is non-blocking regarding the whole system.

[PATCH 3/3 v2] mmc: Use mmc_delay() instead of mdelay() for time delay

2011-08-26 Thread Chunhe Lan
The mmc_delay() is a wrapper function for mdelay() and msleep(). o mdelay() -- block the system when busy-waiting. o msleep() -- suspend the currently running task to enable CPU to process other tasks, so it is non-blocking regarding the whole system.

Re: kvm PCI assignment VFIO ramblings

2011-08-26 Thread Roedel, Joerg
On Fri, Aug 26, 2011 at 12:24:23AM -0400, David Gibson wrote: On Thu, Aug 25, 2011 at 08:25:45AM -0500, Alexander Graf wrote: On 25.08.2011, at 07:31, Roedel, Joerg wrote: For mmio we could stop the guest and replace the mmio region with a region that is filled with 0xff, no? Sure,

Re: kvm PCI assignment VFIO ramblings

2011-08-26 Thread Roedel, Joerg
On Fri, Aug 26, 2011 at 12:20:00AM -0400, David Gibson wrote: On Wed, Aug 24, 2011 at 01:03:32PM +0200, Roedel, Joerg wrote: On Wed, Aug 24, 2011 at 05:33:00AM -0400, David Gibson wrote: On Wed, Aug 24, 2011 at 11:14:26AM +0200, Roedel, Joerg wrote: I don't see a reason to make this

Re: [PATCH 1/2] [hw-breakpoint] Use generic hw-breakpoint interfaces for new PPC ptrace flags

2011-08-26 Thread K.Prasad
On Wed, Aug 24, 2011 at 01:59:39PM +1000, David Gibson wrote: On Tue, Aug 23, 2011 at 02:55:13PM +0530, K.Prasad wrote: On Tue, Aug 23, 2011 at 03:08:50PM +1000, David Gibson wrote: On Fri, Aug 19, 2011 at 01:21:36PM +0530, K.Prasad wrote: PPC_PTRACE_GETHWDBGINFO, PPC_PTRACE_SETHWDEBUG

Re: kvm PCI assignment VFIO ramblings

2011-08-26 Thread Alexander Graf
On 26.08.2011, at 04:33, Roedel, Joerg wrote: On Fri, Aug 26, 2011 at 12:20:00AM -0400, David Gibson wrote: On Wed, Aug 24, 2011 at 01:03:32PM +0200, Roedel, Joerg wrote: On Wed, Aug 24, 2011 at 05:33:00AM -0400, David Gibson wrote: On Wed, Aug 24, 2011 at 11:14:26AM +0200, Roedel, Joerg

Re: kvm PCI assignment VFIO ramblings

2011-08-26 Thread Joerg Roedel
On Fri, Aug 26, 2011 at 09:07:35AM -0500, Alexander Graf wrote: On 26.08.2011, at 04:33, Roedel, Joerg wrote: The reason is that you mean the usability for the programmer and I mean it for the actual user of qemu :) No, we mean the actual user of qemu. The reason being that making a

Re: kvm PCI assignment VFIO ramblings

2011-08-26 Thread Alexander Graf
On 26.08.2011, at 10:24, Joerg Roedel wrote: On Fri, Aug 26, 2011 at 09:07:35AM -0500, Alexander Graf wrote: On 26.08.2011, at 04:33, Roedel, Joerg wrote: The reason is that you mean the usability for the programmer and I mean it for the actual user of qemu :) No, we mean the actual

VFIO v2 design plan

2011-08-26 Thread Alex Williamson
I don't think too much has changed since the previous email went out, but it seems like a good idea to post a summary in case there were suggestions or objections that I missed. VFIO v2 will rely on the platform iommu driver reporting grouping information. Again, a group is a set of devices for

Re: kvm PCI assignment VFIO ramblings

2011-08-26 Thread Aaron Fabbri
On 8/26/11 7:07 AM, Alexander Graf ag...@suse.de wrote: snip Forget the KVM case for a moment and think of a user space device driver. I as a user am not root. But I as a user when having access to /dev/vfioX want to be able to access the device and manage it - and only it. The admin of

Re: Kernel boot up

2011-08-26 Thread Scott Wood
On 08/26/2011 01:00 AM, smitha.va...@wipro.com wrote: Thanks scott. There was an issue with the file system. Now my board is up with the linux boot prompt . But ping is not working. You still haven't set your MAC address. U-Boot should be fixing this up in the device tree. The local

Re: kvm PCI assignment VFIO ramblings

2011-08-26 Thread Aaron Fabbri
On 8/26/11 12:35 PM, Chris Wright chr...@sous-sol.org wrote: * Aaron Fabbri (aafab...@cisco.com) wrote: On 8/26/11 7:07 AM, Alexander Graf ag...@suse.de wrote: Forget the KVM case for a moment and think of a user space device driver. I as a user am not root. But I as a user when having

Re: kvm PCI assignment VFIO ramblings

2011-08-26 Thread Chris Wright
* Aaron Fabbri (aafab...@cisco.com) wrote: On 8/26/11 7:07 AM, Alexander Graf ag...@suse.de wrote: Forget the KVM case for a moment and think of a user space device driver. I as a user am not root. But I as a user when having access to /dev/vfioX want to be able to access the device and

[PATCH] powerpc/eeh: fix /proc/ppc64/eeh creation

2011-08-26 Thread Thadeu Lima de Souza Cascardo
Since commit 188917e183cf9ad0374b571006d0fc6d48a7f447, /proc/ppc64 is a symlink to /proc/powerpc/. That means that creating /proc/ppc64/eeh will end up with a unaccessible file, that is not listed under /proc/powerpc/ and, then, not listed under /proc/ppc64/. Creating /proc/powerpc/eeh fixes that

Re: kvm PCI assignment VFIO ramblings

2011-08-26 Thread Chris Wright
* Aaron Fabbri (aafab...@cisco.com) wrote: On 8/26/11 12:35 PM, Chris Wright chr...@sous-sol.org wrote: * Aaron Fabbri (aafab...@cisco.com) wrote: Each process will open vfio devices on the fly, and they need to be able to share IOMMU resources. How do you share IOMMU resources w/

[PATCH] powerpc/fsl_msi: clean up and document calculation of MSIIR address

2011-08-26 Thread Timur Tabi
Commit 3da34aae (powerpc/fsl: Support unique MSI addresses per PCIe Root Complex) redefined the meanings of msi-msi_addr_hi and msi-msi_addr_lo to be an offset rather than an address. To help clarify the code, we make the following changes: 1) Get rid of msi_addr_hi, which is always zero anyway.