On Wed, Oct 31, 2012 at 12:31:43PM +0800, Shimmer Huang wrote:
> Sarah,
>
> This patch works for me. Would you please help submit and merge this patch ?
Yep, I'll get it merged shortly. It will be marked for stable kernels,
so it should make it into the Linux distribution kernels as well.
Sarah
On Wed, Oct 31, 2012 at 07:33:17PM +0530, Bhavik Kothari wrote:
> Hi Sarah,
>
> Thanks Sarah, for your TD-size patch.
>
> We have tried with your given driver.
> At first time, USB device gets successfully mounted, however after removing
> USB device, once again if we insert the USB device, it do
Sarah,
This patch works for me. Would you please help submit and merge this patch ?
On Sat, Oct 27, 2012 at 1:51 AM, Sarah Sharp
wrote:
> On Fri, Oct 26, 2012 at 02:50:20PM +0800, Shimmer Huang wrote:
>> Sarah,
>>
>> We've found the TD_size issue when developing a new XHCI host controller
>> al
On Fri, Oct 26, 2012 at 02:50:20PM +0800, Shimmer Huang wrote:
> Sarah,
>
> We've found the TD_size issue when developing a new XHCI host controller also:
> 1. need fix xhci_td_remainder() and xhci_v1_0_td_remainder()
What needed to be fixed in xhci_td_remainder()?
> 2. we need to use DIV_ROUND
On Fri, Oct 26, 2012 at 10:45:56AM +0530, Chintan Mehta wrote:
> Hi Sarah,
>
> Thanks for the patch, I will try this out and let you know the results.
>
> One thing I am curios about, will this same patch apply to windows
> driver/Compliance Verification Suite as well?
>
> If this also applies t
Sarah,
We've found the TD_size issue when developing a new XHCI host controller also:
1. need fix xhci_td_remainder() and xhci_v1_0_td_remainder()
2. we need to use DIV_ROUND_UP() instead of roundup() when we
calculating total_packet_count .
As in recent kernel versions, roundup() is defined as f
Hi Chintan,
I think I have a fix for the TD size issue. Can you install a custom
kernel and test it out on your host controller?
The directions for building a custom kernel are here:
http://kernelnewbies.org/KernelBuild
Instead of running any of the commands in "Which kernel to build?"
Going back over your example, it does look there is a couple bugs in the
Linux xHCI TD size calculations. Notes are below, I'll send you a patch
to test out on your host controller shortly.
Thanks for catching this!
Sarah Sharp
On Thu, Oct 25, 2012 at 02:24:04PM -0700, Sarah Sharp wrote:
> On F
Ah, ok, I thought your host was a 0.96 host. I see that the xHCI driver
does handle the TD size field differently, based on whether the host is
a 1.0 host or not (see xhci_td_remainder and xhci_v1_0_td_remainder).
I'll have to take a look at that code again to see if it's compliant
with the xHCI 1
Since you both seem to be asking the same question:
On Wed, Oct 17, 2012 at 10:34:39AM +0530, ankit patel wrote:
> Thanks Sarah,
>I just need to know that driver is doing reset when device is not
> attached by writing HCRST to 1 in USB Command Register of xHC. Does
> the host controller needs
On Mon, Oct 15, 2012 at 11:28:34AM +0530, ankit patel wrote:
> Hi Sarah,
Hi Ankit, thanks for the bug report.
>We have found some problems during inserting device. It shows the error
> like
>
>- [ 85.694152] xhci_hcd :01:00.0: Endpoint 0x84 not halted,
>refusing to reset.
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