On Thu, 2013-07-25 at 10:06 +0800, Yingchun Li wrote:
Ok， but the linux-cdc-acm.inf is provieded by us, so I think there should
be something I can learn.
Thanks anyway！
And the driver binds and operates. The inf file works.
The kernel driver is buggy. The driver comes from the vendor.
As such
On Thu, 2013-07-25 at 13:47 +0800, Ming Lei wrote:
Hi,
There are two patches on computing max rx/tx qlen, and fix one
performance problem on USB3 NIC.
I am afraid bisectability on SS is impaired. Otherwise
this looks good.
Regards
Oliver
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On Thu, 2013-07-25 at 17:30 +0300, Oleksii Shevchuk wrote:
Randomly after returning from S3 or enabling powersaving this trace
goes to dmesg:
[13115.552920] [a02f3a30] usb_submit_urb+0x360/0x370
[usbcore]
[13115.552922] [a042fe96] wdm_int_callback+0x1c6/0x200
[cdc_wdm]
On Thu, 2013-07-25 at 18:45 +0300, Oleksii Shevchuk wrote:
lspci -s 00:14.0 -vvv
No. It happens with the wdm driver. What net device are you using?
Regards
Oliver
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On Thu, 2013-07-25 at 22:19 +0800, Ming Lei wrote:
Hi,
On Thu, Jul 25, 2013 at 3:38 PM, Oliver Neukum oneu...@suse.de wrote:
On Thu, 2013-07-25 at 13:47 +0800, Ming Lei wrote:
Hi,
There are two patches on computing max rx/tx qlen, and fix one
performance problem on USB3 NIC.
I am
On Sat, 2013-07-27 at 20:21 -0700, David Miller wrote:
From: Hayes Wang hayesw...@realtek.com
Date: Thu, 25 Jul 2013 15:59:02 +0800
Some USB buffers use stack which may not be DMA-able.
Use the buffers from kmalloc to replace those one.
Signed-off-by: Hayes Wang hayesw...@realtek.com
On Fri, 2013-07-26 at 09:54 -0700, Andy Lutomirski wrote:
This is kernel 3.9.9-302.fc19.x86_64.
I plugged in a BN Nook (a usb mass storage device), used it, and
ejected it. This makes suspend fail:
[50135.265514] PM: Entering freeze sleep
[50135.265517] Suspending console(s) (use
On Fri, 2013-07-26 at 16:31 -0400, Alan Stern wrote:
In addition to my earlier comment, the patch below should be applied.
It will fix your immediate problem, although not in the best way.
Alan,
I think your diagnosis is correct, but not the fix.
This is run even in the runtime case. We
On Mon, 2013-07-29 at 10:21 -0400, Alan Stern wrote:
On Mon, 29 Jul 2013, Oliver Neukum wrote:
On Fri, 2013-07-26 at 16:31 -0400, Alan Stern wrote:
In addition to my earlier comment, the patch below should be applied.
It will fix your immediate problem, although not in the best way
On Tue, 2013-07-30 at 13:00 -0400, Alan Stern wrote:
That's why I said the patch would fix the immediate problem but it
wasn't the best solution. You do agree that the patch is correct, as
far as it goes?
It will allow the system to sleep. But it seems to me that
a genuine error while
On Wed, 2013-07-31 at 18:51 +0800, Ming Lei wrote:
Hi,
This patchset allows drivers to pass sg buffers which size can't be divided
by max packet size of endpoint if the host controllers support this kind
of sg buffers.
Cool. One question though. It makes sense to use sg only
if all elements
On Mon, 2013-07-29 at 10:21 -0400, Alan Stern wrote:
On Mon, 29 Jul 2013, Oliver Neukum wrote:
On Fri, 2013-07-26 at 16:31 -0400, Alan Stern wrote:
In addition to my earlier comment, the patch below should be applied.
It will fix your immediate problem, although not in the best way
On Wed, 2013-07-31 at 21:50 +0800, Ming Lei wrote:
In the usbnet case, the driver already supports non-sg well. Actually,
all current drivers should support non-sg well because urb-sg wasn't
introduced for very long time. We can think it as a new feature or DMA
enhancement for xHCI
On Thu, 2013-08-01 at 15:30 +0800, Greg Kroah-Hartman wrote:
On Wed, Jul 31, 2013 at 09:40:26AM -0700, Sarah Sharp wrote:
On Wed, Jul 31, 2013 at 06:51:47PM +0800, Ming Lei wrote:
This patch marks all xHCI controllers as no_sg_limit since
xHCI supports building packet from discontinuous
On Thu, 2013-08-01 at 17:13 +0800, Chen Wang wrote:
hello,
I'm reading code of usb core and driver model/sysfs. I believe they are
designed with OOP.
Yes, much of the code is OO. However, we usually
don't overwrite methods.
So, do we have any UML design diagrams for better
No. The code was
8c90d860652aa99e6e60d9b32bc3aa8d4db9efa5 Mon Sep 17 00:00:00 2001
From: Oliver Neukum oneu...@suse.de
Date: Thu, 1 Aug 2013 10:08:20 +0200
Subject: [PATCH] sd: error handling during flushing caches
It makes no sense to flush the cache of a device without medium.
Errors during suspend must be handled according
On Thu, 2013-08-01 at 11:53 -0400, Alan Stern wrote:
On Thu, 1 Aug 2013, Oliver Neukum wrote:
On Wed, 2013-07-31 at 11:13 -0400, Alan Stern wrote:
More importantly, if we already know that the medium is not present or
has been changed since it was last used, then there's no reason
On Fri, 2013-08-02 at 09:54 -0400, Alan Stern wrote:
On Fri, 2 Aug 2013, Oliver Neukum wrote:
On Thu, 2013-08-01 at 11:53 -0400, Alan Stern wrote:
On Thu, 1 Aug 2013, Oliver Neukum wrote:
On Wed, 2013-07-31 at 11:13 -0400, Alan Stern wrote:
More importantly, if we already
On Thu, 2013-07-25 at 18:53 +0300, Oleksii Shevchuk wrote:
Thank you,
could you try the attached patch?
Regards
Oliver
From 0b46b7c8cd1747470d7ed874b3a130090d4d7d3c Mon Sep 17 00:00:00 2001
From: Oliver Neukum oneu...@suse.de
Date: Mon, 5 Aug 2013 09:13:51 +0200
Subject
On Mon, 2013-08-05 at 16:47 +0800, Ming Lei wrote:
@@ -1268,10 +1298,14 @@ netdev_tx_t usbnet_start_xmit (struct sk_buff *skb,
entry = (struct skb_data *) skb-cb;
entry-urb = urb;
entry-dev = dev;
- entry-length = length;
usb_fill_bulk_urb (urb, dev-udev,
urb-sg.
Cc: Eric Dumazet eric.duma...@gmail.com
Cc: Ben Hutchings bhutchi...@solarflare.com
Cc: Grant Grundler grund...@google.com
Cc: Freddy Xin fre...@asix.com.tw
Cc: Oliver Neukum oneu...@suse.de
Cc: Alan Stern st...@rowland.harvard.edu
Signed-off-by: Ming Lei ming@canonical.com
Acked
On Fri, 2013-08-09 at 14:14 -0700, Sarah Sharp wrote:
On Thu, Jul 04, 2013 at 03:35:13PM +0200, Oliver Neukum wrote:
Hi,
this is a Kinetic device for gesture recognition. It enumerates with EHCI.
Under XHCI it fails miserably.
Hi Oliver,
Sorry for not looking at this log sooner
Hi,
I got a bug report about an enclosure that mishandles READ_CAPACITY10.
I don't want to introduce yet another quirk. So what about basing this
on USB version?
Regards
Oliver
From 58cb3cd4b8a58d986b74e0a41d52de989dbe64bc Mon Sep 17 00:00:00 2001
From: Oliver Neukum
On Mon, 2013-08-12 at 10:36 -0400, Alan Stern wrote:
On Mon, 12 Aug 2013, Oliver Neukum wrote:
Hi,
I got a bug report about an enclosure that mishandles READ_CAPACITY10.
I don't want to introduce yet another quirk. So what about basing this
on USB version?
@@ -211,8 +212,12
On Tue, 2013-08-13 at 20:32 +0800, hayeswang wrote:
Oliver Neukum [mailto:oneu...@suse.de]
Sent: Tuesday, August 13, 2013 4:49 PM
To: Hayeswang
Cc: net...@vger.kernel.org; linux-ker...@vger.kernel.org;
linux-usb@vger.kernel.org
Subject: Re: [PATCH net-next 1/3] net/usb/r8152: support
On Tue, 2013-08-13 at 11:40 -0500, Thomas Pugliese wrote:
static void wa_xfer_result_chew(struct wahc *wa, struct wa_xfer
*xfer)
{
@@ -1488,17 +1532,38 @@ error_submit_buf_in:
seg-result = result;
kfree(wa-buf_in_urb-sg);
error_sg_alloc:
+ __wa_xfer_abort(xfer);
On Wed, 2013-08-14 at 13:24 +0530, Vivek Gautam wrote:
Hi all,
Going through the power suspend/resume sequence of USB, got hit by a doubt.
I am not able to figure out how the USB core driver takes care of
It doesn't.
devices and root-hubs across suspend/resume. Are the device contexts
On Wed, 2013-08-14 at 14:46 +0530, Vivek Gautam wrote:
Hi,
devices and root-hubs across suspend/resume. Are the device contexts
saved somewhere and then restored back on resume ?
Usually not. The state of interfaces are the responsibility of interface
drivers (colloquially called
On Fri, 2013-08-16 at 22:25 +0200, Yann Cantin wrote:
+/* IRQ */
+static int ebeam_read_data(struct ebeam_device *ebeam, unsigned char *pkt)
+{
+
+/*
+ * Packet description : 8 bytes
+ *
+ * nop packet : FF FF FF FF FF FF FF FF
+ *
+ * pkt[0] : Sensors
+ * bit 1 : ultrasound signal
-by: Oliver Neukum oli...@neukum.org
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On Fri, 2013-08-23 at 11:15 +0300, Xenia Ragiadakou wrote:
This patch refactors the code in TRB_ENABLE_SLOT switch case in
handle_cmd_completion() into a fuction named xhci_handle_cmd_enable_slot().
Hi,
it would be nice, in fact probably a requirement, for
the commit message to explain what
On Mon, 2013-08-19 at 09:50 +0200, Hannes Reinecke wrote:
On 08/12/2013 03:17 PM, Oliver Neukum wrote:
Hi,
I got a bug report about an enclosure that mishandles READ_CAPACITY10.
I don't want to introduce yet another quirk. So what about basing this
on USB version?
Hmm. You _sure_
On Mon, 2013-09-02 at 13:25 +0200, Gerd Hoffmann wrote:
+static void uas_zap_dead(struct uas_dev_info *devinfo)
+{
+ struct uas_cmd_info *cmdinfo;
+ struct uas_cmd_info *temp;
+ struct list_head list;
+ unsigned long flags;
+
+ spin_lock_irq(uas_lists_lock);
On Wed, 2013-08-21 at 15:11 -0500, David Barksdale wrote:
From: David Barksdale dbarksd...@uplogix.com
+static int cp2112_wait(struct cp2112_device *dev, atomic_t *avail)
+{
+ int ret = 0;
+
+ ret = wait_event_interruptible_timeout(dev-wait,
+ atomic_read(avail),
On Tue, 2013-08-20 at 12:35 +0200, Bjørn Mork wrote:
bjorn@nemi:~$ mbimcli -d /dev/cdc-wdm0 --query-packet-service-state
How does that work internally?
So I propose that we add something like this to cdc-wdm instead of
extending the
If you think the speed will also be handled at a
On Fri, 2013-09-06 at 12:19 +0200, Bjørn Mork wrote:
I assume this separate channel for device management was added to MBIM
because it wouldn't scale to keep adding new CDC notifications and
requests. The MBIM management protocol is easily extended by adding
new
commands and services,
Hi,
I have a report from a customer about an XHCI which needs a ten times
increase of timeout in
@@ -904,7 +904,7 @@ int xhci_suspend(struct xhci_hcd *xhci)
command = ~CMD_RUN;
xhci_writel(xhci, command, xhci-op_regs-command);
if (xhci_handshake(xhci, xhci-op_regs-status,
On Fri, 2013-09-13 at 06:37 -0700, Andy Lutomirski wrote:
What's the status of this? Do I still need to test it?
I won't have access to the Nook that triggered it the first time for a
couple weeks, but I could try to find another device like that.
It works for me.
I'll push upstream in a
On Thu, 2013-09-12 at 09:56 +0800, Ming Lei wrote:
On Thu, Sep 12, 2013 at 12:05 AM, David Laight david.lai...@aculab.com
wrote:
Patches are always welcome, :-)
Indeed, I think your patch, if no better alternatives come up soon,
should be taken.
None of this is helping me sort out why
On Mon, 2013-09-16 at 11:47 +0200, Fabio Porcedda wrote:
Signed-off-by: Fabio Porcedda fabio.porce...@gmail.com
Cc: sta...@vger.kernel.org # 3.0+ as far back as it applies cleanly
Acked-by: Oliver Neukum oli...@neukum.org
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On Mon, 2013-09-16 at 11:47 +0200, Fabio Porcedda wrote:
Signed-off-by: Fabio Porcedda fabio.porce...@gmail.com
Acked-by: Oliver Neukum oli...@neukum.org
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On Mon, 2013-09-16 at 11:47 +0200, Fabio Porcedda wrote:
Use USB_DEVICE_AND_INTERFACE_INFO and USB_VENDOR_AND_INTERFACE_INFO
macros to reduce boilerplate.
Signed-off-by: Fabio Porcedda fabio.porce...@gmail.com
Acked-by: Oliver Neukum oli...@neukum.org
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-allocated padding packet at the
end of the sg list, so padding packet can be sent to device
if drivers require that.
Reported-by: David Laight david.lai...@aculab.com
Cc: Oliver Neukum oli...@neukum.org
Signed-off-by: Ming Lei ming@canonical.com
Acked-by: Oliver Neukum oli...@neukum.org
On Wed, 2013-09-18 at 17:52 +0200, Bjørn Mork wrote:
No modern device should need the padding. No old device will be able to
use the SG feature as implemented. You only enable it on USB3, don't
On XHCI.
you? If this feature is restricted to USB3 capable devices, then it most
certainly can
On Wed, 2013-09-18 at 20:56 +0200, Bjørn Mork wrote:
Oliver Neukum oneu...@suse.de wrote:
No, USB 3.0 uses no companion controllers, so you can have devices
of any speed connected to it.
Ah, right. I don't own such modern hardware, but I should have known this
anyway.
This still
On Mon, 2013-09-30 at 08:37 +, Thomas TJ wrote:
I'm trying to connect Huawei wireless data modem in Freescale i.MX6 Board.
It's detected as a usb device and the result of lsusb is
Bus 002 Device 007: ID 12d1:140b Huawei Technologies Co., Ltd. EC1260
Wireless Data Modem HSD USB Card
This
On Mon, 2013-09-30 at 04:50 +, Enrico Mioso wrote:
+static int huawei_cdc_ncm_manage_power(struct usbnet *usbnet_dev, int on)
+{
+ struct huawei_cdc_ncm_state *drvstate = (void *)usbnet_dev-data;
+ int rv = 0;
+
+ if ((on atomic_add_return(1, drvstate-pmcount) == 1) ||
+
On Mon, 2013-09-30 at 05:33 -0700, Greg KH wrote:
On Mon, Sep 30, 2013 at 02:25:29PM +0200, oli...@neukum.org wrote:
From: Oliver Neukum oneu...@suse.de
Some controllers really do need much longer than the standard
allows.
Signed-off-by: Oliver Neukum oneu...@suse.de
On Wed, 2013-10-09 at 17:01 +0200, Hans de Goede wrote:
And do so in a way which ensures that any fields added in the future will
also get properly zero-ed.
Signed-off-by: Hans de Goede hdego...@redhat.com
Acked-by: Oliver Neukum oli...@neukum.org
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On Wed, 2013-10-09 at 17:01 +0200, Hans de Goede wrote:
So I have come up with this patch instead, which adds the ability to
suspend wakeups of usb_wait_anchor_empty_timeout() waiters to the usb_anchor
functionality, and uses this in __usb_hcd_giveback_urb() to delay wake-ups
until the
On Wed, 2013-10-09 at 19:45 +0200, Hans de Goede wrote:
Hi,
Thanks for the quick review!
On 10/09/2013 07:00 PM, Oliver Neukum wrote:
On Wed, 2013-10-09 at 17:01 +0200, Hans de Goede wrote:
So I have come up with this patch instead, which adds the ability to
suspend wakeups
() to delay wake-ups
until the completion handler has run.
Signed-off-by: Hans de Goede hdego...@redhat.com
Acked-by: Oliver Neukum oli...@neukum.org
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-by: Oliver Neukum oneu...@suse.de
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On Thu, 2013-10-17 at 20:49 +0200, Hans de Goede wrote:
The uas driver is only capable of dealing with an usb-reset it has triggered
itself, fix the pre and post reset return values to reflect this.
What happens if you get an external reset? This is bad, because we
cannot rule it out, for
On Tue, 2013-10-22 at 16:58 +0100, Hans de Goede wrote:
Handle usb-device resets not triggered from uas_eh_bus_reset_handler(), when
this happens, disable cmd queuing during the reset, and wait for existing
requests to finish in pre_reset.
Hm. The most likely reason for resetting a device is a
On Wed, 2013-10-23 at 14:44 -0500, Thomas Pugliese wrote:
change WA_SEGS_MAX to a number that is legal according to the WUSB
spec.
Signed-off-by: Thomas Pugliese thomas.pugli...@gmail.com
This should go to stable.
Regards
Oliver
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On Wed, 2013-10-23 at 16:14 -0500, Thomas Pugliese wrote:
On Thu, 24 Oct 2013, Sergei Shtylyov wrote:
Hello.
On 10/23/2013 11:44 PM, Thomas Pugliese wrote:
For isochronous endpoints, set the RPIPE wMaxPacketSize value using
wOverTheAirPacketSize from the endpoint companion
On Tue, 2013-10-29 at 09:52 +0100, Bjørn Mork wrote:
The only notification supported by the Device Management class is
Response Available. But this driver is also used as a subdriver of
other CDC classes, allowing notifications like Speed Change and
Network Connection. This results in log
of USB_CDC_NOTIFY_RESPONSE_AVAILABLE notifications
received
and decrement the count and submit the urb for the next response each time
userspace
completes a read the response.
Signed-off-by: Greg Suarez gsua...@smithmicro.com
Acked-by: Oliver Neukum oneu...@suse.de
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On Fri, 2013-11-01 at 12:35 +0100, Bjørn Mork wrote:
So I believe we should do the update unconditionally, and but skip
usb_autopm_put_interface if the get failed. Accordingly, these
functions should always return 0 (not that there is anything currently
checking the return anyway).
I'll
On Tue, 2013-11-05 at 21:16 +, Luke-Jr wrote:
I am trying to interface with the HEX devices sold by http://technobit.eu/
which appear as CDC-ACM devices, but give an I/O error whenever I try to open
them, with some rather unclear error description in dmesg:
[10526714.860052] usb 5-2:
.
Regards
Oliver
commit f2577039517e85a99cb54d9267cd7997530d74b4
Author: Oliver Neukum oneu...@suse.de
Date: Thu Nov 7 16:28:33 2013 +0100
USB: remove DEBUG for drivers based on the master config option
Dynamic debugging should be off by default. If drivers need
Hi,
can someone explain to me why OHCI compiles in that strange
manner?
Regards
Oliver
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On Thu, 2013-11-07 at 14:05 -0500, Alan Stern wrote:
On Thu, 7 Nov 2013, Oliver Neukum wrote:
Hi,
can someone explain to me why OHCI compiles in that strange
manner?
Please be more specific: Which aspect of the strangeness are you
interested in? :-)
The strangeness of compilation
On Thu, 2013-11-07 at 13:00 -0800, Greg KH wrote:
On Thu, Nov 07, 2013 at 08:07:07PM +0100, Oliver Neukum wrote:
The strangeness of compilation by #include
That was David Brownell's style of coding at the time (you can see it
also in the gadget drivers, although most of that has been
On Thu, 2013-11-07 at 07:56 -0800, Greg KH wrote:
EHCI looks like it can be easily fixed, OHCI will take some more work,
as will UHCI. The other minor hcd drivers should be easy to resolve
as well, like I did previously with some of the other ones. I'll gladly
take patches for all of that
On Mon, 2013-11-11 at 11:08 +0800, wangbiao wrote:
From: wang, biao biao.w...@intel.com
Date: Mon, 11 Nov 2013 10:23:40 +0800
Subject: [PATCH] usbnet: fix race condition caused spinlock bad magic issue
there is race between usbnet_terminate_urbs and usbnet_bh, when
unlink_wakeup used in
On Wed, 2013-11-13 at 10:09 +0100, Bjørn Mork wrote:
Oliver Neukum oli...@neukum.org writes:
On Tue, 2013-11-12 at 16:34 +0100, Felix Fietkau wrote:
Since commit 7b0c5f21f348a66de495868b8df0284e8dfd6bbf
sierra_net: keep status interrupt URB active, sierra_net triggers
status interrupt
Hi,
if I want to convert UHCI to full dynamic debugging, how
should I deal with the debug module parameter?
Regards
Oliver
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On Wed, 2013-11-13 at 15:20 +, David Laight wrote:
if I want to convert UHCI to full dynamic debugging, how
should I deal with the debug module parameter?
Change the default state of the flag?
I could, but how would that help? I need to have the
basic decision whether to retain the
On Wed, 2013-11-13 at 15:37 +, David Laight wrote:
if I want to convert UHCI to full dynamic debugging, how
should I deal with the debug module parameter?
Change the default state of the flag?
I could, but how would that help? I need to have the
basic decision whether to
On Thu, 2013-11-14 at 05:31 +0900, Greg KH wrote:
On Wed, Nov 13, 2013 at 06:13:06PM +0100, oli...@neukum.org wrote:
From: Oliver Neukum oneu...@suse.de
To allow a full switch to dynamic debugging make the
debug parameter conditional on defined(DEBUF) || defined(DYNAMIC_DEBUG
On Wed, 2013-11-13 at 17:11 -0500, Alan Stern wrote:
On Thu, 14 Nov 2013, Greg KH wrote:
On Wed, Nov 13, 2013 at 06:13:06PM +0100, oli...@neukum.org wrote:
From: Oliver Neukum oneu...@suse.de
To allow a full switch to dynamic debugging make the
debug parameter conditional
to avoid it.
Signed-off-by: wang, biao biao.w...@intel.com
Signed-off-by: Zhang, Di di.zh...@intel.com
Acked-by: Oliver Neukum oli...@neukum.org
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On Thu, 2013-11-14 at 11:44 -0500, Alan Stern wrote:
On Thu, 14 Nov 2013 oli...@neukum.org wrote:
From: Oliver Neukum oneu...@suse.de
Conditional compilation for debugging is removed in favor of
dynamic debugging. To do so
1. the support for debugfs is always compiled
2
On Thu, 2013-11-14 at 11:54 -0500, Alan Stern wrote:
On Thu, 14 Nov 2013 oli...@neukum.org wrote:
From: Oliver Neukum oneu...@suse.de
Rewrite it so that the status is evaluated only if the
printk is actually executed.
Signed-off-by: Oliver Neukum oneu...@suse.de
How come you
On Thu, 2013-11-14 at 11:59 -0500, Alan Stern wrote:
On Thu, 14 Nov 2013 oli...@neukum.org wrote:
From: Oliver Neukum oneu...@suse.de
With the new dbg_status() the interrupt handler doesn't need
conditional compilation
Signed-off-by: Oliver Neukum oneu...@suse.de
---
drivers
On Thu, 2013-11-14 at 13:05 -0500, Alan Stern wrote:
On Thu, 14 Nov 2013 oli...@neukum.org wrote:
From: Oliver Neukum oneu...@suse.de
It has become unnecessary by #define trickery
Signed-off-by: Oliver Neukum oneu...@suse.de
---
drivers/usb/host/uhci-hcd.c | 2 --
1 file
On Thu, 2013-11-14 at 11:44 -0500, Alan Stern wrote:
On Thu, 14 Nov 2013 oli...@neukum.org wrote:
From: Oliver Neukum oneu...@suse.de
With dynamic debugging the selection is done in user space
Signed-off-by: Oliver Neukum oneu...@suse.de
---
drivers/usb/host/ohci-hub.c | 5
On Thu, 2013-11-14 at 13:04 -0500, Alan Stern wrote:
On Thu, 14 Nov 2013 oli...@neukum.org wrote:
From: Oliver Neukum oneu...@suse.de
To allow a full switch to dynamic debugging make the
debug parameter conditional on defined(DEBUF) || defined(DYNAMIC_DEBUG)
Signed-off-by: Oliver
On Thu, 2013-11-14 at 11:49 -0500, Alan Stern wrote:
On Thu, 14 Nov 2013 oli...@neukum.org wrote:
From: Oliver Neukum oneu...@suse.de
The decision about what is interesting is done in user space
when dynamic debugging is used.
Signed-off-by: Oliver Neukum oneu...@suse.de
On Fri, 2013-11-15 at 18:03 +0400, Sergei Shtylyov wrote:
Hello.
On 15-11-2013 16:59, oli...@neukum.org wrote:
From: Oliver Neukum oneu...@suse.de
Perhaps you meant [OHCI_]VERBOSE_DEBUG in the subject?
Also, you've posted the patch twice for some reason, once as part
On Thursday 10 January 2013 13:13:58 Ming Lei wrote:
IMO, there is a minor fault in the error handling path of
uvc_status_start() inside uvc_v4l2_open(), and the 'users' count
should have been decreased before usb_autopm_put_interface().
In theory, the warning can be triggered when the device
Ming Lei reported:
IMO, there is a minor fault in the error handling path of
uvc_status_start() inside uvc_v4l2_open(), and the 'users' count
should have been decreased before usb_autopm_put_interface().
In theory, the warning can be triggered when the device is
opened just between
On Thursday 10 January 2013 21:59:28 Wei Shuai wrote:
Hi,
I am afraid this is done in an unclean manner.
diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c
index 71b6e92..9903f79 100644
--- a/drivers/net/usb/cdc_ncm.c
+++ b/drivers/net/usb/cdc_ncm.c
@@ -545,6 +545,7 @@
On Thursday 10 January 2013 10:20:42 Alan Stern wrote:
On Thu, 10 Jan 2013, Oliver Neukum wrote:
In the long run it is probably a good idea to pass duplicated URBs to
usbmon by
a special code path.
I'd prefer to add extra information to the WARN_ONCE message. Even
though it would
On Saturday 12 January 2013 14:16:02 Andreas Mohr wrote:
Greg, Linus,
It sounds insane, but after banging on the issue I have found out that
USB problem is caused (also in vanilla kernel) with a config change:
USB-all built as modules - bad USB
USB core built in, UHCI/EHCI modules -
On Sunday 13 January 2013 18:42:49 Alex Riesen wrote:
On Sun, Jan 13, 2013 at 5:56 PM, Alan Stern st...@rowland.harvard.edu wrote:
On Sun, 13 Jan 2013, Alex Riesen wrote:
Yes, almost. What about khubd hanging when machine is shutdown?
What about it? I have trouble understanding all the
On Monday 14 January 2013 11:47:57 Ming Lei wrote:
[ 181.175323] echo 0 /proc/sys/kernel/hung_task_timeout_secs
disables this message.
[ 181.183624] modprobeD c04f1920 0 2462 2461 0x
[ 181.183685] [c04f1920] (__schedule+0x5fc/0x6d4) from [c005eba4]
On Tuesday 15 January 2013 23:26:20 Woody Suwalski wrote:
The modules are insmoded in a fixed order:
usb-common, usbcore, xhci-hcd, ehci-hcd, uhci-hcd, ohci-hcd, usbhid,
usb_storage,...
If all USB is built as modules - I get read errors from USB drives when
accessing squash image, boot
On Thursday 17 January 2013 09:28:14 Ming Lei wrote:
- we still need some synchronization to avoid accessing the storage
between sys_sync and device suspend, just like system sleep case,
pm_restrict_gfp_mask is needed even sys_sync has been done
inside enter_state().
On Friday 18 January 2013 16:36:29 kishon wrote:
Bus 001 Device 004: ID 152d:2509 JMicron Technology Corp. / JMicron
USA Technology Corp. JMS539 SuperSpeed SATA II 3.0G Bridge
Device Descriptor:
You are connecting to the wrong port.
Try connecting to bus2 which seems to have usb3.
Bus
On Friday 18 January 2013 15:25:47 Bjørn Mork wrote:
Adding support for the MBIM mode in some Sierra Wireless devices.
Some Sierra Wireless firmwares support CDC MBIM but have no CDC
Union funtional descriptor. This violates the MBIM specification,
but we can easily work around the bug by
On Friday 18 January 2013 14:09:26 Alan Stern wrote:
The autosuspend delay at the USB level probably should be set to 0;
then the autosuspend delay at the SCSI disk level will control the
actual power changes.
What about things like lsusb? Should we better not go down quite
to zero?
Note
On Friday 18 January 2013 11:58:28 Sarah Sharp wrote:
Isn't there a sysfs file to control the polling rate for removable
media? I don't remember where is it though. (I seem to ask about mass
/sys/block/$DEVICE/events_poll_msecs
HTH
Oliver
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On Monday 21 January 2013 15:47:13 Bjørn Mork wrote:
But I wonder if this isn't really a generic problem in usbnet. The
FLAG_MULTI_PACKET test here seems completely bogus:
if (length % dev-maxpacket == 0) {
if (!(info-flags FLAG_SEND_ZLP)) {
On Monday 21 January 2013 16:28:48 Bjørn Mork wrote:
Agreed. But I believe the condition should be
if (!(info-flags FLAG_SEND_ZLP) !(info-flags FLAG_MULTI_PACKET)) {
..
} else {
urb-transfer_flags |= URB_ZERO_PACKET;
}
to ensure that we send the ZLP in this case.
On Monday 21 January 2013 16:50:40 Bjørn Mork wrote:
commit bbc8d92 (net: cdc_ncm: add Huawei devices) implemented
support for devices with a single combined control and data
interface. Fix up the error path so that we do not double
release such interfaces in case of probing failures.
Hi
On Monday 21 January 2013 18:59:05 Alexey ORISHKO wrote:
Specification says:
NCM/MBIM shall not send ZLP if buffer size is dwNtbOutMaxSize.
The problem is:
dwNtbOutMaxSize value is negotiated between host and device NCM/MBIM
entities and usbnet has no knowledge about it.
Adding one
On Monday 21 January 2013 18:59:05 Alexey ORISHKO wrote:
Either the FLAG_MULTI_PACKET minidriver will have already padded the
buffer so that we do not hit (length % dev-maxpacket == 0), or we
should choose one of the alternatives: ZLP or padding.
But we cannot simply call __skb_put
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