I've got a patch that adds OHCI support for a new SoC. I'd say it is
all good except that it requires a work-around for accessing OHCI
registers. The code needs to hijack readl() so that it can perform
the read twice.
What it does is define OHCI_readl() and then replace uses of readl()
with that
On Tue, Apr 06, 2004 at 07:42:55PM -0700, David Brownell wrote:
> Eric Blossom wrote:
> >Hi,
> >
> >Does anyone have bulk transfer throughput measurements for any of the
> >EHCI controllers?
>
> Nothing organized, let us know what you find out.
Thanks.
>
> The original NEC EHCI 0.95 controller
Eric Blossom wrote:
Hi,
Does anyone have bulk transfer throughput measurements for any of the
EHCI controllers?
Nothing organized, let us know what you find out.
We're looking for controllers that can sustain 32MB/sec in both
directions (half duplex of course). Our software radio peripheral can
Thanks. I use card reader in an embedded device and
polling the card increases power consumption and makes
power measure unstable in our hardware. Currenly I
send SCSI commands 'INQUIRY' and 'TEST UNIT READY' to
check the existence of certain card. Do you have any
suggestion on how to check the c
PS, I am traveling today so future comments will be delayed a bit.
Alan Stern [EMAIL PROTECTED] wrote:
> All right, let's look at sd.c. I'll show you that _it_ doesn't obey the
> object lifetime rules. In sd_open we see this code (lightly edited):
>
>
> static int sd_open(struct inode
On Tue, Apr 06, 2004 at 09:34:32AM -0400, Alan Stern wrote:
> On Tue, 6 Apr 2004, docks wrote:
>
> > Hi,
> >
> > I found this message in my syslog:
> >
> > usb-storage: This device (07cf,1001,5010 S 05 P 01) has an unneeded Protocol entry
> > in unusual_devs.h
> > Please send a copy of this mes
On Tuesday 06 April 2004 16:47, Alan Stern wrote:
> Soeren:
>
> I read your message in
>
> http://marc.theaimsgroup.com/?l=linux-kernel&m=108123430100151&w=2
>
> and it seems to be roughly the same problem reported by the other
> recipients (maybe not exactly the same). However I'm unfamiliar with
Am Di, den 06.04.2004 schrieb Alan Stern um 22:59:
> Please, folks, don't just say it oopses. Post a crash dump so I have
> some chance of figuring out what's going wrong!
>
> So many people have reported problems with the USB bluetooth driver that I
> can't keep them straight. Some of them cras
Hi,
Does anyone have bulk transfer throughput measurements for any of the
EHCI controllers?
We're looking for controllers that can sustain 32MB/sec in both
directions (half duplex of course). Our software radio peripheral can
do that using the Intel 82801DB EHCI. We'd like to figure out what
ot
Sylvain Munaut wrote:
I'm working on a linux 2.6 port for the motorola MPC5200 processor. This
processor has on chip 1.1 OHCI (so they say...) controller. But I have
two problems :
- The first is about the get_frame_number. I see that the 'glue' driver
can provide a function to read this value
On Tue, 2004-04-06 at 18:49, Alan Stern wrote:
> I've seen a couple of different problems coming up with this bluetooth
> stuff. One of them may be fixed by a recent patch, as David Brownell
> mentioned. Below is the relevant part excerpted from that patch; maybe it
> will help some of you.
Y
On Tue, 6 Apr 2004, Erik Tews wrote:
> On Tue, Apr 06, 2004 at 08:47:36PM +0200, Alex Riesen wrote:
> >
> > no change for me. Still oopses.
>
> I have been running 2.6.5 with the bk-usb patch broken out of mm1. I
> still got the problem.
>
> If I rmmod uhci-hcd, the kernel oopses too.
>
> Stil
On Tuesday 06 April 2004 15:11, David Brownell wrote:
>Gene Heskett wrote:
>> Nope, 2.6.5-mm1 hangs xsane just like 2.6.5-rc3-mm4 did...
>
>Ah, I think I see the problem. This .text.lock.devio entry is more
>like devio::driver_disconnect(), which wouldn't previously have been
>called on that path.
On Tue, Apr 06, 2004 at 08:47:36PM +0200, Alex Riesen wrote:
> Alan Stern, Tue, Apr 06, 2004 18:49:51 +0200:
> > I've seen a couple of different problems coming up with this bluetooth
> > stuff. One of them may be fixed by a recent patch, as David Brownell
> > mentioned. Below is the relevant p
Alan Stern, Tue, Apr 06, 2004 18:49:51 +0200:
> I've seen a couple of different problems coming up with this bluetooth
> stuff. One of them may be fixed by a recent patch, as David Brownell
> mentioned. Below is the relevant part excerpted from that patch; maybe it
> will help some of you.
>
On Tue, 6 Apr 2004 12:57:19 -0400 (EDT)
Alan Stern <[EMAIL PROTECTED]> wrote:
> > Is there any notifications when a card(eg. CF card)
> > is being inserted into a USB card reader? My main
> > purpose is to know if the card is really there.
> There is no notification. That is, the card reader d
On Tue, 2004-04-06 at 11:55, Alan Stern wrote:
> In principle, yes. However... The kernel still has to process requests
> correctly while the stack is partially deconstructed. It also has to
> protect against userland helpers trying to pull things apart in the wrong
> order.
This I agree wit
This helps Linux handle certain enumeration problems better,
by retrying most stalled descriptor fetches; on some devices,
those indicate temporary problems. This match makes at least
one such (old) device enumerate reliably.
Please merge.
- Dave
--- 1.49/drivers/usb/core/message.c Wed Mar 3
On Tue, 6 Apr 2004, Timmy Li wrote:
> Is there any notifications when a card(eg. CF card)
> is being inserted into a USB card reader? My main
> purpose is to know if the card is really there.
> Currently I use a user mode program to scan the SCSI
> generic driver and send some SCSI commands t
On 6 Apr 2004, James Bottomley wrote:
> Supposing we did no hotplug at all and just relied on the fact that a
> driver responds DID_NO_CONNECT to a missing device.
>
> We have a mounted fs on a CD on SCSI on USB which gets disconnected. No
> event is generated because no hotplug. Now every read o
On Tuesday 06 April 2004 18:21, David Brownell wrote:
> I'm thinking some of those may be fixed in the 2.6.5-mm1 patch ...
Hi,
I've tried the 2.6.5-mm1 patch, and I've found that I can't manage my usb
dongle anymore. If I use for example "sdptool" I get a timeout error. The
same problem if I tr
I've seen a couple of different problems coming up with this bluetooth
stuff. One of them may be fixed by a recent patch, as David Brownell
mentioned. Below is the relevant part excerpted from that patch; maybe it
will help some of you.
Alan Stern
--- 1.47/drivers/usb/core/message.c Tu
Sergey Vlasov wrote:
This thing is seriously broken, both for 2.4.x and 2.6.x:
1) Allocating "struct hiddev_usage_ref_multi uref_multi" on the
stack in hiddev_ioctl() is not good - with HID_MAX_USAGES==1024, it
is more than 4K.
Does anyone have any further comment on this?
Yes it was an oversight
I'm thinking some of those may be fixed in the 2.6.5-mm1 patch ...
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James Bottomley wrote:
that's intra subsystem synchronisation, not inter subsystem
I'd say that device_driver.remove() calls from the bus management
code to a given device driver are inter-subsystem...
so using a subsystem provided API from another subsystem constitutes
inter subsytem synchronisati
On Tue, 2004-04-06 at 10:10, David Brownell wrote:
> James Bottomley wrote:
> > that's intra subsystem synchronisation, not inter subsystem
>
> I'd say that device_driver.remove() calls from the bus management
> code to a given device driver are inter-subsystem...
so using a subsystem provided A
The original message was received at Wed, 7 Apr 2004 00:38:48 +0900 (JST)
from localhost [127.0.0.1]
- The following addresses had permanent fatal errors -
<[EMAIL PROTECTED]>
- Transcript of session follows -
550 <[EMAIL PROTECTED]>... Host unknown (Name server: adc.hitachi
James Bottomley wrote:
that's intra subsystem synchronisation, not inter subsystem
I'd say that device_driver.remove() calls from the bus management
code to a given device driver are inter-subsystem...
Look, the rules are very simple:
- Every subsystem gives out refcounted objects.
- Every subs
Soeren:
I read your message in
http://marc.theaimsgroup.com/?l=linux-kernel&m=108123430100151&w=2
and it seems to be roughly the same problem reported by the other
recipients (maybe not exactly the same). However I'm unfamiliar with the
computer architecture you're using and I can't pin down th
Pete Zaitcev wrote:
This looks like what I fixed for Red Hat some time ago for our partner
Dell who shipped some pretty silly Lexar OEM USB keys. Please try the
attached patch, it migth fix the oops. It is important for me to know
the result, because I plan to push this into Marcelo's 2.4.27.
Howev
On Tue, 6 Apr 2004, Peter Santoro wrote:
> I've applied the patch, rebuilt the kernel, and did one test (boot PC,
> login as root, insert Lexar JumpDrive, try to mount the vfat formatted
> device). As before, the mount command took about ~30 sec, but did
> successfully complete. I could read
On Mon, 5 Apr 2004, Patrick Mansfield wrote:
> Yes.
>
> If we are in middle opening an sd, and are anywhere between the
> kobj_lookup having completed call to up_read(domain->sem) [called via
> do_open calling get_gendisk] and sd_open calling scsi_device_get(), and
> separately an sd_remove call
On Tue, 2004-04-06 at 09:04, Jens Axboe wrote:
> Only change is the err -> error, correct?
Not quite; there was a cleanup goto issue as well (don't want to goto
the release if you couldn't get the object).
> > The attached (hopefully) is what I compiled and tested with. The test,
> > incidentall
On Tue, Apr 06 2004, James Bottomley wrote:
> On Tue, 2004-04-06 at 04:22, Jens Axboe wrote:
> > Really? It doesn't even compile :-)
>
> Heh, I really must learn that I have to copy the file from the test
> machine to the email machine *before* attaching it. You got a stale
> copy of an older inc
On Tue, 2004-04-06 at 01:52, Oliver Neukum wrote:
> Pure refcounting can never protect you against races with freeing objects.
> The counters themselves must be protected. Try as you might you need
> locks for that and rules on how this locks are to be used.
Which part of
On Mon, 2004-04-05 at 20
On 5 Apr 2004, James Bottomley wrote:
> On Sun, 2004-04-04 at 22:17, Alan Stern wrote:
> > Of course it would! That's exactly what this thread is about: bugs caused
> > by improper handling of open/disconnect races.
>
> So you're quietly shifting your ground away from this assertion:
>
> On Sat
On Tue, 2004-04-06 at 04:22, Jens Axboe wrote:
> Really? It doesn't even compile :-)
Heh, I really must learn that I have to copy the file from the test
machine to the email machine *before* attaching it. You got a stale
copy of an older incarnation, I think.
The attached (hopefully) is what I c
On Tue, 6 Apr 2004, docks wrote:
> Hi,
>
> I found this message in my syslog:
>
> usb-storage: This device (07cf,1001,5010 S 05 P 01) has an unneeded Protocol entry
> in unusual_devs.h
> Please send a copy of this message to <[EMAIL PROTECTED]>
>
> # uname -a
> Linux bow 2.6.4-gentoo #12 Thu M
Hi.
Is it possible that kernel don't update /proc/bus/usb/devices
information when i plug my device in? I am trying to do my own usb
device using Atmel 43USB355 uC. They did provide some start up images
whit the dev kit and i loaded one example from them and it seemed work
in fedora and windows ok
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On Tuesday 06 April 2004 12:46, Marc-Christian Petersen wrote:
Hi again,
> 02_menu-Kconfig-cleanups-09-USB-vs-SCSI-fix.patch
> Fix SCSI dependency for USB-Storage support.
> - Rip out "select SCSI"
> - Make a comment when SCSI is not selected
grmpf, change !SCSI to SCSI=n. Agai
On Tuesday 06 April 2004 10:42, Russell King wrote:
Hi,
> > Intuitive isn't the issue, if you can't figure out why you can't turn
> > off SCSI, you leave it on, which you need to make USB storage work. If
> > you're trying to make a small kernel you presumably would have turned
> > off USB if you
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Sorry, no mailbox here by that name. vpopmail (#5.1.1)
--- Below this line is a
On Mon, Apr 05 2004, James Bottomley wrote:
> On Sun, 2004-04-04 at 23:33, Patrick Mansfield wrote:
> > How is unregister_cdrom(&cd->cdi) called if the device is not open?
>
> OK, the attached does everything correctly (as I should have done at
> first) by using a kobject to hold the compound refe
On Mon, Apr 05 2004, James Bottomley wrote:
> On Mon, 2004-04-05 at 09:03, Jens Axboe wrote:
> > Doesn't quite work, how about something like this as a work-around?
>
> I'm not sure we want to be introducing yet another refcount. What was
> the problem?
Same as in this thread, cdrom gets unregis
Is there any notifications when a card(eg. CF card)
is being inserted into a USB card reader? My main
purpose is to know if the card is really there.
Currently I use a user mode program to scan the SCSI
generic driver and send some SCSI commands to see if
the card is really there. I think this
Hallo,
does anybody know, if there is a way to catch the videostream of a
dv-cam like the Sony HC14 via USB?
Drivers from sony are only available for m$ as far as I know.
Many thanks for an answer
Markus Schepp
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