Hi,
I am working on X.org driver for an arm SoC. It support HDMI video out. The
X.org driver + kernel fb driver is working and I get the display. The
system uses Ubuntu precise. I have problem while changing the resolution.
In our X.org driver we have
pScrn->SwitchMode = fbdevHWSwitchModeWeak();
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Hi,
> bootm 0xaddr
>
> What is the significance of this address ? Is this has any correlation with
> lds file ? or i can use any random address ?
>
This is the entry point of the uImage.
You can find it by
objdump vmlinux -x | grep "start address"
where, vmlinux is the image from which uImage was
Hi Pavan,
On Sat, Jan 2, 2010 at 3:04 AM, Pavan Kandepet wrote:
> I know I could get a development board and start working right away,
> but is there any specific development board that you folks would
> recommend which offers great Linux support? I should be able read and
> under
Hi Rick,
gcc can warn about void pointer increment if you use compiler option
-Wpointer-arith
==
Kalpesh
On Thu, Oct 8, 2009 at 8:22 AM, Manish Katiyar wrote:
> On Thu, Oct 8, 2009 at 7:42 AM, Rick Brown wrote:
>> Hello list,
>>
>> As far as I recall from K&R, isn't pointer arithmetic on a voi
On Sat, Jul 25, 2009 at 11:21 PM, Vipul Jain wrote:
> The link for datasheet is only available for RealTek development partners...
> : (
>
> Do you have a copy to share? Any other PCI device that has openly datasheet
> and device available.
I don't have it. I hit the link while looking for tutoria
Hi,
Have a look at the link below.
http://linuxgazette.net/156/jangir.html
It is very old(2.4 era) . Still you might be able to acquire the card
and the datasheet.
Regards,
Kalpesh
On Sat, Jul 25, 2009 at 1:54 AM, Vipul Jain wrote:
> Hi All,
>
> I am a newbie in linux device driver and have
Hi,
I am trying to make my SDIO wifi card work on beagleboard.
When the driver tries to read or write SDIO function register , it is
generally 1 or 4 byte read/write. And buffer used is mostly on stack.
So, the kernel crashes while doing dma_map_sg on that buffer. Using
kmalloc ed buffer in SDIO r
On Tue, May 19, 2009 at 8:49 AM, Pei Lin wrote:
> In my opinion,i think spin lock is used for shot-time lock,if you lock
> long term, cpu will miss the interrupts, i also have the question
> about when we disable local interrupts,can the interrupt be delivered
> to other cpus in SMP system?
Yes, w
Hi,
I want to implement bottom half handler for my driver. As per my
design it can sleep, so I have two choices:
1. separate kernel thread and managing its sleep-wakeup with waitqueue
2. Use single threaded workqueue
my question is,
Are they same performance/latency wise?
If not same what are th
Hi,
I am planning to have network functionality on beagle board. I want it
to connect to wireless network through SDIO interface.
Can someone here tell me which SDIO card to use? I mean for which the
driver is available in the omap kernel?
Regards,
Kalpesh
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Hi snoopy,
I don't have answer to you question but just sharing my thoughts.
Though double buffering is used, there will be cases when your both buffer
are filled by host and FSG has not taken data from either. In that case OUT
transactions should be NAKed by the your controller. This is generall
Hi Henning,
Thanks for the reply. I have got the info I was looking for.
sounds interesting, what kind of OS is this?
[kalpesh] vxworks
> To what kind of global variables do you refer to? In the shared memory the
> access to the data is guarded by the internal memory manager. You find it
> in
-- Forwarded message --
From: Kalpesh Rathod
Date: Fri, Jan 2, 2009 at 6:18 PM
Subject: question regarding fork and kamailio global variables usage
To: devel@lists.kamailio.org
Hi,
I am porting kamailio to the OS which doesnt support fork. For the OS, tasks
are similar to
Hi,
I am porting kamailio to the OS which doesnt support fork. For the OS, tasks
are similar to threads of same process in Linux.
In this environment, child task(s) will share the global and heap data with
parent instead of having separate copy of the data.
Its analogus to using mutiple threads i
Here is the home page of Linux USB Mass storage driver:
http://www2.one-eyed-alien.net/~mdharm/linux-usb/
USB Mass storage class is very well supported in Linux kernel. You have to
write code specific to your USB controller only. The code for USB protocol
and mass-storage class is already there.
Bizhan,
Have a look at 'kexec' . It may not meet 100% your requirement but comes
close.
Thanks,
Kalpesh
On Wed, Dec 3, 2008 at 9:30 AM, Mark Brown <[EMAIL PROTECTED]>wrote:
> Bizhan,
>
> Yes it is do-able you can actually use the zImage header to bootstrap the
> kernel. You can modify linux/arc
One practical usage is while using Linux USB file-storage gadget driver.
When you want to access data
written by USB host on regular file on gadget itself, you can do losetup on
the regular file. After associating
loop device to regular file, the device becomes valid block device allowing
you to pe
Hi,
I am looking for a PCI wireless LAN card for which driver source code and
datasheet for the chip (intel.,atheros, broadcom or other) is available.
for following card from belkin,
http://catalog.belkin.com/IWCatProductPage.process?Product_Id=136479
AFAIK, the datasheet is not available in pub
Apart from these, following wiki link best describes what makes an
architecture as 64 bit.
http://en.wikipedia.org/wiki/64-bit
On Mon, Sep 29, 2008 at 1:22 PM, pradeep singh <[EMAIL PROTECTED]>wrote:
> On Mon, Sep 29, 2008 at 12:42 PM, nidhi mittal <[EMAIL PROTECTED]>
> wrote:
> > Hi all
> > its
Hi,
I am writing device driver for USB gadget controller. The gadget is mass
storage device. My SoC has got pl080 DMA controller.
I am facing some difficulties in this DMA controller configuration.
Can somebody please point out the source code which is already using this
DMA controller?
or a com
If code is compiled with debugging information, gdb gives source level
information. File name and line number when crash occurs.
You can use -g option while compiling. There are other options as well.
Please see gcc man page for that.
Regards,
Kalpesh
-Original Message-
From: [EMAIL PROT
Running your program with gdb can help you to find out where exactly the
un-aligned memory access happens.
Make sure program is compiled with debugging information. (gcc -g option)
To run program with gdb on target,
[EMAIL PROTECTED] ~]#gdb exe_name
Then
(gdb) run
The program will start exec
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