On Tue, Oct 16, 2012 at 09:57:16AM +0800, Xiaofan Chen wrote:
> Hi Greg,
>
> Sorry the previous email goes to the wrong linux kernel list.
>
> Now usbutils git almost builds successfully out of the box under
> Mac OS Xand Cygwin (using libusbx). Just wondering if you can
> accept the minor fix fo
On Tue, Oct 16, 2012 at 1:49 PM, Minchan Kim wrote:
>
> Fair enough but it wouldn't be a good idea that add new unlikely branch
> in allocator's fast path. Please move the check into slow path which could
> be in __alloc_pages_slowpath.
Thanks for your comment.
I have considered to add the branc
On Tue, Oct 16, 2012 at 12:48 AM, Greg Kroah-Hartman
wrote:
>
> No, don't limit us for no good reason, that's not acceptable at all.
> Patching old kernels when new devices show up that work on those old
> kernels (like USB network devices that follow the spec with no driver
> change needed), is n
Peter Stuge writes:
> Greg KH wrote:
>> But, if Mostafa is stuck at RHEL 6, there's nothing that we can do
>> here to help out at all, sorry.
>
> Maybe he can help test a driver on an up-to-date kernel.org release,
> and then perhaps he can ask RH to backport the driver. It should also
> not be ve
Changes from v1:
- Removed setting-up of "dev.coherent_dma_mask", since of/platform.c
itself takes care of it.
Vivek Gautam (2):
USB: dwc3-exynos: Add support for device tree
USB: DWC3: EXYNOS: Remove platform data for dwc3-exynos
drivers/usb/dwc3/dwc3-exynos.c | 36 +++
We are removing plat data which was used till now to init and
exit phy. We no longer need this since dwc3-core takes care of
initializing and shutting-down the phy using usb_phy_init()
and usb_phy_shutdown().
Signed-off-by: Vivek Gautam
---
drivers/usb/dwc3/dwc3-exynos.c | 16
This patch adds support to parse probe data for
dwc3-exynos driver using device tree.
Signed-off-by: Vivek Gautam
---
drivers/usb/dwc3/dwc3-exynos.c | 20
1 files changed, 20 insertions(+), 0 deletions(-)
diff --git a/drivers/usb/dwc3/dwc3-exynos.c b/drivers/usb/dwc3/dwc3
Changes from v2:
- Changed CONFIG_PM to CONFIG_PM_SLEEP
- Used SET_SYSTEM_SLEEP_PM_OPS in dev_pm_ops
- Modified the commit log for each of the patch
- Added dwc3_core_init() during resume and dwc3_core_exit() during suspend in
core.c
Based on 'usb-next' of greg's tree.
Tested USB detection
Adds suspend and resume callbacks as part of the power management
support to DWC3 controller Driver.
This patch facilitates transition of DWC3 controller between D0 and D3
power states during suspend/resume cycles.
Signed-off-by: Abhilash Kesavan
Signed-off-by: Vikas C Sajjan
CC: Doug Anderson
Adds power management support to XHCI platform driver.
This patch facilitates the transition of xHCI host controller
between S0 and S3/S4 power states, during suspend/resume cycles.
Signed-off-by: Abhilash Kesavan
Signed-off-by: Vikas C Sajjan
CC: Doug Anderson
---
drivers/usb/host/xhci-plat.c
Adds suspend and resume callbacks to exynos dwc3 driver as part of
power management support.
This change does gating of dwc3 clock during suspend/resume cycles.
Signed-off-by: Abhilash Kesavan
Signed-off-by: Vikas C Sajjan
CC: Doug Anderson
---
drivers/usb/dwc3/dwc3-exynos.c | 31 +++
On Tue, Oct 16, 2012 at 02:15:56PM +0530, Vivek Gautam wrote:
> This patch adds support to parse probe data for
> dwc3-exynos driver using device tree.
>
> Signed-off-by: Vivek Gautam
> ---
> drivers/usb/dwc3/dwc3-exynos.c | 20
> 1 files changed, 20 insertions(+), 0 delet
Hi,
On Mon, Oct 15, 2012 at 03:22:07PM -0600, Stephen Warren wrote:
> On 10/15/2012 01:22 PM, Felipe Balbi wrote:
> > hi,
> >
> > On Mon, Oct 15, 2012 at 12:16:36PM -0600, Stephen Warren wrote:
> >> From: Stephen Warren
> >>
> >> Almost nothing from this file is used, and the file will
> >> hop
Hi,
On Tue, Oct 16, 2012 at 03:15:37PM +0530, Vikas Sajjan wrote:
> Adds power management support to XHCI platform driver.
> This patch facilitates the transition of xHCI host controller
> between S0 and S3/S4 power states, during suspend/resume cycles.
>
> Signed-off-by: Abhilash Kesavan
> Sign
Hi,
On Tuesday 16 October 2012 03:23 PM, Felipe Balbi wrote:
On Tue, Oct 16, 2012 at 02:15:56PM +0530, Vivek Gautam wrote:
This patch adds support to parse probe data for
dwc3-exynos driver using device tree.
Signed-off-by: Vivek Gautam
---
drivers/usb/dwc3/dwc3-exynos.c | 20
Hi,
On Tue, Oct 16, 2012 at 03:15:36PM +0530, Vikas Sajjan wrote:
> Adds suspend and resume callbacks as part of the power management
> support to DWC3 controller Driver.
> This patch facilitates transition of DWC3 controller between D0 and D3
> power states during suspend/resume cycles.
>
> Sign
Hi,
On Tue, Oct 16, 2012 at 03:36:43PM +0530, kishon wrote:
> Hi,
>
> On Tuesday 16 October 2012 03:23 PM, Felipe Balbi wrote:
> >On Tue, Oct 16, 2012 at 02:15:56PM +0530, Vivek Gautam wrote:
> >>This patch adds support to parse probe data for
> >>dwc3-exynos driver using device tree.
> >>
> >>Si
Hi Felipe,
On 16 October 2012 15:36, Felipe Balbi wrote:
> Hi,
>
> On Tue, Oct 16, 2012 at 03:15:36PM +0530, Vikas Sajjan wrote:
>> Adds suspend and resume callbacks as part of the power management
>> support to DWC3 controller Driver.
>> This patch facilitates transition of DWC3 controller betwe
On Tue, Oct 16, 2012 at 3:07 PM, Greg Kroah-Hartman
wrote:
> On Tue, Oct 16, 2012 at 09:57:16AM +0800, Xiaofan Chen wrote:
>> I only need one fix for Mac OS X as Apple's gcc compiler does
>> not like --as-needed.
>
> I didn't think Apple used gcc anymore. How about testing to see if this
> is a v
On Tue, Oct 16, 2012 at 03:08:41PM +0800, Ming Lei wrote:
> On Tue, Oct 16, 2012 at 1:49 PM, Minchan Kim wrote:
> >
> > Fair enough but it wouldn't be a good idea that add new unlikely branch
> > in allocator's fast path. Please move the check into slow path which could
> > be in __alloc_pages_slo
On Tue, Oct 16, 2012 at 3:07 PM, Greg Kroah-Hartman
wrote:
> On Tue, Oct 16, 2012 at 09:57:16AM +0800, Xiaofan Chen wrote:
>> Now usbutils git almost builds successfully out of the box under
>> Mac OS Xand Cygwin (using libusbx). Just wondering if you can
>> accept the minor fix for Mac OS X and s
If the write endpoint is interrupt type, usb_sndintpipe() should
be passed to usb_fill_int_urb() instead of usb_sndbulkpipe().
Cc: Oliver Neukum
Signed-off-by: Ming Lei
---
drivers/usb/class/cdc-acm.c |2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/class/cdc-a
Hi,
I have some questions and ideas about documentation in PDF format.
During embedded SW development I often work with documentation,
especially datasheets in PDF format. I have some issues with such
documentation. It is not so easy to manage a lot of PDF documents
sometimes with strange code in
On Tue, Oct 16, 2012 at 9:15 PM, Xiaofan Chen wrote:
> On Tue, Oct 16, 2012 at 3:07 PM, Greg Kroah-Hartman
> wrote:
>> On Tue, Oct 16, 2012 at 09:57:16AM +0800, Xiaofan Chen wrote:
>>> Now usbutils git almost builds successfully out of the box under
>>> Mac OS Xand Cygwin (using libusbx). Just wo
On Tue, Oct 16, 2012 at 9:09 PM, Minchan Kim wrote:
>
> Good point. You can check it in __zone_reclaim and change gfp_mask of
> scan_control
> because it's never hot path.
>
>>
>> So could you make sure it is safe to move the branch into
>> __alloc_pages_slowpath()? If so, I will add the check i
On Tue, Oct 16, 2012 at 09:47:03PM +0800, Ming Lei wrote:
> On Tue, Oct 16, 2012 at 9:09 PM, Minchan Kim wrote:
> >
> > Good point. You can check it in __zone_reclaim and change gfp_mask of
> > scan_control
> > because it's never hot path.
> >
> >>
> >> So could you make sure it is safe to move t
On Tue, Oct 16, 2012 at 9:22 AM, Constantine Shulyupin
wrote:
> Hi,
>
> I have some questions and ideas about documentation in PDF format.
> During embedded SW development I often work with documentation,
> especially datasheets in PDF format. I have some issues with such
> documentation. It is no
Hi,
On Tue, Oct 16, 2012 at 05:10:39PM +0530, Vikas Sajjan wrote:
> Hi Felipe,
>
> On 16 October 2012 15:36, Felipe Balbi wrote:
> > Hi,
> >
> > On Tue, Oct 16, 2012 at 03:15:36PM +0530, Vikas Sajjan wrote:
> >> Adds suspend and resume callbacks as part of the power management
> >> support to DW
On Wed, 10 Oct 2012, Dmitry Torokhov wrote:
> Jiri,
>
> Are you OK with this change?
Yes, please take it through your tree together with the proper driver and
add
Acked-by: Jiri Kosina
to the HID blacklist additions.
Thanks,
--
Jiri Kosina
SUSE Labs
--
To unsubscribe from this lis
Constantine Shulyupin wrote:
> It is not so easy to manage a lot of PDF documents
> sometimes with strange code in file names.
I tend to rename them in some way that allows me to find them quickly
when I need them.
> It is not easy to store and share links to documentation.
Storing is easy, I j
On Tue, 16 Oct 2012, Greg Kroah-Hartman wrote:
> > mymacmini:usbutils xiaofanc$ git diff
> > diff --git a/Makefile.am b/Makefile.am
> > index 4e53e45..e8cb002 100644
> > --- a/Makefile.am
> > +++ b/Makefile.am
> > @@ -1,8 +1,7 @@
> > SUBDIRS = \
> > usbhid-dump
> >
> > -AM_LDFLAGS = \
>
On Tue, 16 Oct 2012, Peter Chen wrote:
> > --- usb-3.6.orig/drivers/usb/core/hcd.c
> > +++ usb-3.6/drivers/usb/core/hcd.c
> > @@ -2023,6 +2023,7 @@ int hcd_bus_resume(struct usb_device *rh
> > struct usb_hcd *hcd = container_of(rhdev->bus, struct usb_hcd, self);
> > int status
On Tue, 16 Oct 2012, Peter Chen wrote:
> Without this condition, all controllers will do this delay,
> and increase the resume time.
>
> Only enabled and unsuspended port needs this delay, but
> Some buggy hardware(like Synopsys usb controller) will
> clear suspend bit once they receive/send resu
On Mon, Oct 15, 2012 at 05:31:01PM -0400, Alan Stern wrote:
> >
> > uhci_scan_schedule->
> > uhci_clear_next_interrupt->
> > uhci->term_td->status &= ~cpu_to_hc32(uhci, TD_CTRL_IOC);
> >
> > This panics becase term_td is not allocated yet.
> >
> > Now I could be wrong about the interrupts
Dear Constantine Shulyupin,
In message
you wrote:
>
> I have some questions and ideas about documentation in PDF format.
> During embedded SW development I often work with documentation,
> especially datasheets in PDF format. I have some issues with such
> documentation. It is not so easy to ma
On 15.10.2012 23:23, David Binderman wrote:
>
>
> hello there,
>
> I just ran the static analyser cppcheck over the source code of the
> linux kernel version 3.7-rc1
>
> It said
>
> [linux-3.7-rc1/drivers/usb/musb/musb_dsps.c:533]: (error) Buffer is accessed
> out of bounds
>
> The source cod
On Tue, 16 Oct 2012 15:22:52 +0200, Constantine Shulyupin
wrote:
> Hi,
>
> I have some questions and ideas about documentation in PDF format.
> During embedded SW development I often work with documentation,
> especially datasheets in PDF format. I have some issues with such
> documentation. It
On Mon, Oct 15, 2012 at 05:27:44PM -0700, Zach Brown wrote:
> The possibility of removing retry and cancelation came up a few times
> plumbers this year. I finally gave it a try.
>
> Removing retry is a good iea. It's of little value because retry
> happens in a kernel thread, not in the submitt
At Mon, 15 Oct 2012 20:45:44 +0200,
Takashi Iwai wrote:
>
> At Mon, 15 Oct 2012 19:41:40 +0200,
> Matthieu CASTET wrote:
> >
> > Hi Takashi,
> >
> > Takashi Iwai a écrit :
> > > At Fri, 12 Oct 2012 17:42:19 +0200,
> > > Matthieu CASTET wrote:
> > >> Hi,
> > >>
> > >>
> > >> Takashi Iwai a écrit
Hi,
This patch set introduces one process flag and trys to fix one deadlock
problem on block device during runtime resume or usb bus reset.
The 1st one is the change on include/sched.h and mm.
The other 2 patches are applied again PM and USB subsystem to demo
how to use the introduced mechanism
This patch introduces PF_MEMALLOC_NOIO on process flag('flags' field of
'struct task_struct'), so that the flag can be set by one task
to avoid doing I/O inside memory allocation in the task's context.
The patch trys to solve one deadlock problem caused by block device,
and the problem may happen
This patch applies the introduced memalloc_noio_save() and
memalloc_noio_restore() to force memory allocation with no I/O
during runtime_resume callback.
Cc: Alan Stern
Cc: Oliver Neukum
Cc: Rafael J. Wysocki
Signed-off-by: Ming Lei
---
drivers/base/power/runtime.c | 14 ++
1 fi
If one storage interface or usb network interface(iSCSI case)
exists in current configuration, memory allocation with
GFP_KERNEL during usb_device_reset() might trigger I/O transfer
on the storage interface itself and cause deadlock because
the 'us->dev_mutex' is held in .pre_reset() and the storag
Takashi Iwai a écrit :
> At Mon, 15 Oct 2012 19:41:40 +0200,
> Matthieu CASTET wrote:
>> Hi Takashi,
>>
>> But I believe I found other races in the alsa char device handling. With the
>> attached patch, if you disconnect the usb audio device between "msleep o" and
>> "msleep o+", you will free the
On Tue, 16 Oct 2012, Don Zickus wrote:
> > I dislike adding an extra test to a hot path, but there doesn't seem to
> > be any way around it. Some of the other HCDs may need a similar
> > change.
>
> I understand your concern. I was curious in uhci_irq, I see the following
> fragment:
>
>
At Tue, 16 Oct 2012 18:01:13 +0200,
Matthieu CASTET wrote:
>
> Takashi Iwai a écrit :
> > At Mon, 15 Oct 2012 19:41:40 +0200,
> > Matthieu CASTET wrote:
> >> Hi Takashi,
> >>
> >> But I believe I found other races in the alsa char device handling. With
> >> the
> >> attached patch, if you disconn
On Tue, 16 Oct 2012 21:01:28 +0800, Xiaofan Chen said:
>> I didn't think Apple used gcc anymore. How about testing to see if this
>> is a valid option before trying to use it instead of just removing it?
>
>Apple calls its compiler gcc. But yes it is llvm based.
Apple used to use gcc, or rather
On Tue, Oct 16, 2012 at 09:15:43PM +0800, Xiaofan Chen wrote:
> On Tue, Oct 16, 2012 at 3:07 PM, Greg Kroah-Hartman
> wrote:
> > On Tue, Oct 16, 2012 at 09:57:16AM +0800, Xiaofan Chen wrote:
> >> Now usbutils git almost builds successfully out of the box under
> >> Mac OS Xand Cygwin (using libusb
On Tue, Oct 16, 2012 at 10:08:48AM -0400, Alan Stern wrote:
> On Tue, 16 Oct 2012, Greg Kroah-Hartman wrote:
>
> > > mymacmini:usbutils xiaofanc$ git diff
> > > diff --git a/Makefile.am b/Makefile.am
> > > index 4e53e45..e8cb002 100644
> > > --- a/Makefile.am
> > > +++ b/Makefile.am
> > > @@ -1,8
Benjamin LaHaise writes:
> On Mon, Oct 15, 2012 at 05:27:44PM -0700, Zach Brown wrote:
>> The possibility of removing retry and cancelation came up a few times
>> plumbers this year. I finally gave it a try.
>>
>> Removing retry is a good iea. It's of little value because retry
>> happens in a
On Fri, Oct 12, 2012 at 04:07:43PM -0400, Alan Stern wrote:
> On Thu, 11 Oct 2012, Alan Stern wrote:
>
> > On Thu, 11 Oct 2012, Sarah Sharp wrote:
> >
> > > Thinking about this further, USB 2.1 devices need to be brought out of
> > > their low power link state (L1) before they are suspended. Som
On Tue, Oct 16, 2012 at 12:33:42PM -0400, Jeff Moyer wrote:
> Benjamin LaHaise writes:
> > Canellation *cannot* be removed. If you remove cancellation, processes
> > with outstanding ios at exit() time will never release their resources.
>
> Please explain. wait_for_active_reqs will wait until
On Tue, Oct 16, 2012 at 12:45:56PM -0400, Michael Spang wrote:
> On Tue, Oct 16, 2012 at 11:20 AM, Dave Jones wrote:
> > Gerry (CC'd) reported a bug to us that since 3.6.1, his illuminated
> > Logitech USB keyboard doesn't light up until he hits a key, and then
> > it immediately powers back off,
> Not all IOs will complete within a bounded amount of time. Think of things
> like pipes, network send/receive, even the USB gadget code.
Yes, I know. That's the theoretical position.
But reality doesn't match that view. People aren't using it. If the
usb gadget code can do without then the
On Tue, Oct 16, 2012 at 10:00:54AM -0700, Zach Brown wrote:
> > Not all IOs will complete within a bounded amount of time. Think of things
> > like pipes, network send/receive, even the USB gadget code.
>
> Yes, I know. That's the theoretical position.
>
> But reality doesn't match that view.
On 2012-10-16 19:15, Benjamin LaHaise wrote:
> On Tue, Oct 16, 2012 at 10:00:54AM -0700, Zach Brown wrote:
>>> Not all IOs will complete within a bounded amount of time. Think of things
>>> like pipes, network send/receive, even the USB gadget code.
>>
>> Yes, I know. That's the theoretical posi
Hi Felipe,
The 3.5 kernel added USB 3.0 Link Power Management for Intel Panther
Point xHCI hosts. We've had some issues with devices not supporting LPM
properly, and some fixes have been sent to Greg KH. Can you build a
kernel from his usb-linus branch and see if your issues are resolved?
http:
On 10/16/2012 03:54 AM, Felipe Balbi wrote:
> Hi,
>
> On Mon, Oct 15, 2012 at 03:22:07PM -0600, Stephen Warren wrote:
>> On 10/15/2012 01:22 PM, Felipe Balbi wrote:
>>> hi,
>>>
>>> On Mon, Oct 15, 2012 at 12:16:36PM -0600, Stephen Warren
>>> wrote:
From: Stephen Warren
Almost not
On Tue, Oct 16, 2012 at 09:54:36AM -0700, Greg Kroah-Hartman wrote:
> On Tue, Oct 16, 2012 at 12:45:56PM -0400, Michael Spang wrote:
> > On Tue, Oct 16, 2012 at 11:20 AM, Dave Jones wrote:
> > > Gerry (CC'd) reported a bug to us that since 3.6.1, his illuminated
> > > Logitech USB keyboard doesn't
On Tue, 16 Oct 2012, Sarah Sharp wrote:
> > The kernel support we have now for USB-2 LPM doesn't make any sense.
> > usb_port_suspend() disables LPM before changing the link state out of
> > L0, and usb_port_resume() enables LPM after changing the state back to
> > L0.
> >
> > Thus LPM is disab
> Gadget cannot. The code has no control over when a request completes.
> Think of things like talking to a USB serial port or keyboard directly.
Well, boo. That'd do it. The patch was crossing its fingers for the
usb reqs to complete promptly :).
- z
--
To unsubscribe from this list: send
On Tue, Oct 16, 2012 at 07:23:25PM +0200, Jens Axboe wrote:
> > Let's address the lack of support issue before deprecating required parts
> > of the API. Or make the case to rip everything out.
>
> Come on, this has been the case for, what, 10 years? Or for however long
> that we've had this aio
Hello there,
> > I make that at least 11 chars into res_name. Suggest increase size.
>
> That is very true. Are you planning to release a patch for this?
Sadly no. My success rate with patches is very low and I
wouldn't know a good new size anyway.
Mi
On Tue, 16 Oct 2012, Alan Stern wrote:
> On Tue, 16 Oct 2012, Sarah Sharp wrote:
>
> > > The kernel support we have now for USB-2 LPM doesn't make any sense.
> > > usb_port_suspend() disables LPM before changing the link state out of
> > > L0, and usb_port_resume() enables LPM after changing th
On Tue, Oct 16, 2012 at 01:38:06PM -0400, Alan Stern wrote:
> On Tue, 16 Oct 2012, Sarah Sharp wrote:
>
> > > The kernel support we have now for USB-2 LPM doesn't make any sense.
> > > usb_port_suspend() disables LPM before changing the link state out of
> > > L0, and usb_port_resume() enables L
On 10/16/2012 07:35 AM, Wolfgang Denk wrote:
> Dear Constantine Shulyupin,
>
> In message
> you
> wrote:
>>
>> I have some questions and ideas about documentation in PDF format.
>> During embedded SW development I often work with documentation,
>> especially datasheets in PDF format. I have som
On Tue, 16 Oct 2012, Sarah Sharp wrote:
> > Okay. But that still leaves a question: Is it reasonable to call
> > xhci-hcd's bus_suspend method without first putting all the devices on
> > the bus into U3? If it is then generic_suspend() can avoid calling
> > usb_port_suspend() for the FREEZE and
On Tue, Oct 16, 2012 at 02:42:20PM -0400, Alan Stern wrote:
> On Tue, 16 Oct 2012, Sarah Sharp wrote:
>
> > > Okay. But that still leaves a question: Is it reasonable to call
> > > xhci-hcd's bus_suspend method without first putting all the devices on
> > > the bus into U3? If it is then generic
On Tue, Oct 16, 2012 at 12:01:29PM -0400, Alan Stern wrote:
> On Tue, 16 Oct 2012, Don Zickus wrote:
>
> > > I dislike adding an extra test to a hot path, but there doesn't seem to
> > > be any way around it. Some of the other HCDs may need a similar
> > > change.
> >
> > I understand your con
On Tue, 16 Oct 2012 23:59:41 +0800
Ming Lei wrote:
> This patch introduces PF_MEMALLOC_NOIO on process flag('flags' field of
> 'struct task_struct'), so that the flag can be set by one task
> to avoid doing I/O inside memory allocation in the task's context.
>
> The patch trys to solve one deadl
On Tue, Oct 16, 2012 at 4:22 AM, Bjørn Mork wrote:
> Peter Stuge writes:
>> Greg KH wrote:
>>> But, if Mostafa is stuck at RHEL 6, there's nothing that we can do
>>> here to help out at all, sorry.
>>
>> Maybe he can help test a driver on an up-to-date kernel.org release,
>> and then perhaps he c
Hi Arvid,
I am working on isp1763-hcd (a smaller, kind-of-sort-of variant of isp1760)
The driver was adapted from the original isp1760 before you worked on it a
bunch.
I am looking at my adapted driver again because we have a case where isp1763
is connected to two modem (one on each port) and
On Tue, Oct 16, 2012 at 10:14:43AM -0400, Alan Stern wrote:
> On Tue, 16 Oct 2012, Peter Chen wrote:
>
> > Without this condition, all controllers will do this delay,
> > and increase the resume time.
> >
> > Only enabled and unsuspended port needs this delay, but
> > Some buggy hardware(like Syn
On Wed, Oct 17, 2012 at 12:14 AM, Greg Kroah-Hartman
wrote:
>> > Might it just be easier to patch usbutils to be something like
>> > USB_IDS_DATADIR instead when building on these systems?
>> >
>>
>> Good idea. Here is the patch based on your suggestion and
>> it works fine.
>
>
>
> That's nice,
On Wed, Oct 17, 2012 at 12:17 AM, Greg Kroah-Hartman
wrote:
> On Tue, Oct 16, 2012 at 10:08:48AM -0400, Alan Stern wrote:
>> On Tue, 16 Oct 2012, Greg Kroah-Hartman wrote:
>>
>> > > mymacmini:usbutils xiaofanc$ git diff
>> > > diff --git a/Makefile.am b/Makefile.am
>> > > index 4e53e45..e8cb002 10
On Wed, Oct 17, 2012 at 4:19 AM, Andrew Morton
wrote:
>
> The patch seems reasonable to me. I'd like to see some examples of
> these resume-time callsite which are performing the GFP_KERNEL
> allocations, please. You have found some kernel bugs, so those should
> be fully described.
There are t
Without this condition, all controllers will do this delay,
and increase the resume time.
Only enabled and unsuspended port needs this delay, but
Some buggy hardware(like Synopsys usb controller) will
clear suspend bit once they receive/send resume signal,
so it takes resume bit as consideration.
On Tue, Oct 16, 2012 at 09:36:46AM +0800, Peter Chen wrote:
Hi Felipe & Alex,
Do you have any comments for this patch?
> The patch includes both API change and caller change.
> The main changes like below:
>
> - add notify_suspend/notify_resume callback
>
> This let usb phy driver has the cha
Yo All!
In my search for an Etron replacement, I thought I had a win in a
VLI VL80x based USB 3.0 card. After double checking I find I can't
get that chip to work at all. Sorry for making a bad recommendation.
The card keep giving messages like this:
Oct 15 19:16:24 kong kernel: usb 11-3: devi
On Wed, Oct 17, 2012 at 4:19 AM, Andrew Morton
wrote:
>
> The patch seems reasonable to me. I'd like to see some examples of
> these resume-time callsite which are performing the GFP_KERNEL
> allocations, please. You have found some kernel bugs, so those should
> be fully described.
OK, there a
Hi,
On Tue, Oct 16, 2012 at 7:24 PM, Sarah Sharp
wrote:
> The 3.5 kernel added USB 3.0 Link Power Management for Intel Panther
> Point xHCI hosts. We've had some issues with devices not supporting LPM
> properly, and some fixes have been sent to Greg KH. Can you build a
> kernel from his usb-li
(2012/10/17 0:59), Ming Lei wrote:
> This patch introduces PF_MEMALLOC_NOIO on process flag('flags' field of
> 'struct task_struct'), so that the flag can be set by one task
> to avoid doing I/O inside memory allocation in the task's context.
>
> The patch trys to solve one deadlock problem caused
On Tuesday 16 of October 2012 23:59:42 Ming Lei wrote:
> This patch applies the introduced memalloc_noio_save() and
> memalloc_noio_restore() to force memory allocation with no I/O
> during runtime_resume callback.
>
> Cc: Alan Stern
> Cc: Oliver Neukum
> Cc: Rafael J. Wysocki
> Signed-off-by:
If renesas_usbhs or DMAEngine interrupt didn't happen by a certain cause,
urb->ep will be NULL by usb time out.
Then, host mode will access to it and crash kernel.
This patch fixes it.
Signed-off-by: Kuninori Morimoto
---
drivers/usb/renesas_usbhs/mod_host.c |5 +
1 file changed, 5 inser
renesas_usbhs driver can switch DMA/PIO transfer by using handler,
and each handler have push/pop direction.
But unfortunately, current dma push handler didn't a path
which calls usbhs_pipe_enable(). Thus, dma transfer never happened.
this patch fixes it.
Signed-off-by: Kuninori Morimoto
---
dri
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