hi all,
I am new to kernel device drivers field. Any suggestions about the
references to follow for quick overview and detailed flow of code in Linux
Kernel.
thanks,
Goudagunta Pradeep Kumar,
On Thu, Dec 16, 2010 at 8:27 AM, Pradeep Kumar pradeep4uii...@gmail.comwrote:
hi all,
I am new to kernel device drivers field. Any suggestions about the
references to follow for quick overview and detailed flow of code in Linux
Kernel.
Look the end of this link: there are some
On Thu, Dec 16, 2010 at 1:57 PM, Pradeep Kumar pradeep4uii...@gmail.comwrote:
hi all,
I am new to kernel device drivers field. Any suggestions about the
references to follow for quick overview and detailed flow of code in Linux
Kernel.
thanks,
Goudagunta Pradeep Kumar,
http
will reach your
goal.
On Thu, Dec 16, 2010 at 3:14 PM, Tapas Mishra mightydre...@gmail.comwrote:
On Thu, Dec 16, 2010 at 1:57 PM, Pradeep Kumar
pradeep4uii...@gmail.comwrote:
hi all,
I am new to kernel device drivers field. Any suggestions about the
references to follow for quick
Hi...
On Sat, Oct 16, 2010 at 20:15, Linux Kernel Explorer
mylinux...@gmail.com wrote:
Since Ubuntu came with 'gedit' I didnt care to install any other ID on it
however, I have installed Vim 7.3 on Windows XP.
Are there any other / more tools that I need to instal ?
cscope and/or ctags I
On Sat, Oct 16, 2010 at 10:23 PM, Mulyadi Santosa
mulyadi.sant...@gmail.com wrote:
Also, I want to study Device Drivers.What should be my starting point.I
know,I should peep into the drivers folders and thats what I did ...but the
kernel world is so vast deep that I got confused.
Buddy who so
Thanks for input.
It seems that chip i actually programmed wasn't tested with the driver
provided by the kernel-rc.
There might be room for improvement.
I'm on it.
Cheers
Lutz
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Hi there,
here is a (rather sad) story about my first linux device driver
implementation. I needed a driver for a watchdog timer chip which wasn't
included in the kernel tree some months ago. How great i thought! The
exciting opportunity to have my own code included in the mighty linux
kernel! Of
HI
On Tue, Aug 24, 2010 at 8:40 AM, Lutz linsen...@googlemail.com wrote:
Hi there,
here is a (rather sad) story about my first linux device driver
implementation. I needed a driver for a watchdog timer chip which wasn't
included in the kernel tree some months ago. How great i thought! The
Hi...
Once I met similar situation, it's just I am not that great like you do :)
OK, let's jump to your questions..
On Tue, Aug 24, 2010 at 20:40, Lutz linsen...@googlemail.com wrote:
Two questions:
1. i'm wondering if there is a way to avoid situations like this. Can't
expect every new
Hi Guys,
Iam a fan of linux and opensource systems. i have done
some perl,php programming on linux but havent done much of C
programming stuff .
I like to get your expert advice on writing linux device drivers.
Acatually i have a fair knowledge in C .(iam familiar with OS
concepts) can some
On Thu, Apr 22, 2010 at 06:48, Tharanga Abeyseela
tharanga.abeyse...@gmail.com wrote:
I like to get your expert advice on writing linux device drivers.
I think, you better learn by doing. Try to pick digital version of
Linux Device Driver 3rd edition here http://lwn.net/Kernel/LDD3/ and
try
Hi,
So, I wonder if anyone has some advice about method of writing device
drivers in *userpsace* first, so I can source level debug them easily.
And then later, convert it to a module ?
As far as writing a driver in userspace, you can have a look at the UIO API:
http://lwn.net/Articles
=ttyS0,115200 kgdbwait
So, I wonder if anyone has some advice about method of writing device
drivers in *userpsace* first, so I can source level debug them easily.
And then later, convert it to a module ?
Does this sound too naive or orthodox ?
(I realize that printk et al would have to temporarily
i finally have the time to peruse the above book and i'm wondering
what parts (if any) are already getting dated. yes, it's a fairly
recent book (2008), but given the changes in the kernel lately, has
anyone already noticed bits and pieces that are no longer current?
just curious.
rday
--
Hi Robert
On Wed, Apr 29, 2009 at 1:33 PM, Robert P. J. Day rpj...@crashcourse.ca wrote:
i finally have the time to peruse the above book and i'm wondering
what parts (if any) are already getting dated. yes, it's a fairly
recent book (2008), but given the changes in the kernel lately, has
I think that most of the changes are either new code for feature additions
or bug fixes.
Most of the ideas remain the same. Its a good book to understand how devices
work and the code that makes them work with Linux.
Pavan
On Wed, Apr 29, 2009 at 10:58 AM, Leandro Dorileo ldori...@gmail.comwrote:
On Wed, Feb 18, 2009 at 10:23 AM, Greg Freemyer greg.freem...@gmail.com wrote:
On Wed, Feb 18, 2009 at 1:06 AM, nidhi mittal nidhimitta...@gmail.com wrote:
i m sorry but can someone give a direct clarification
i m unable to get my answer ...
its going in different directions ...but not
hi Greg
thanks for the concern .
but actually my question was very simple ..
it wsnt so complex.
it was just that i was just writing for practice sake
a sample block device driver example in LDD
there they ahve given all this description abt sector size in ch 16
which confued me totally .
so i
On Wed, Feb 18, 2009 at 1:06 AM, nidhi mittal nidhimitta...@gmail.com wrote:
i m sorry but can someone give a direct clarification
i m unable to get my answer ...
its going in different directions ...but not able to get me through my doubt
...
i m sorry may be my understanding is lacking
i m sorry but can someone give a direct clarification
i m unable to get my answer ...
its going in different directions ...but not able to get me through my doubt
...
i m sorry may be my understanding is lacking somewhere ...
On Mon, Feb 2, 2009 at 9:01 PM, Greg Freemyer
sorry but my question it seems wsnt clear ...
as my ques was
suppose i have this function
blk_queue_hardsect_size(request_queue_t *queue , unsigned short max );
or some other function takes sector as parameter
there in any of these functions
how do i decide that whether i should send number
On Mon, Feb 2, 2009 at 3:42 AM, nidhi mittal nidhimitta...@gmail.com wrote:
sorry but my question it seems wsnt clear ...
as my ques was
suppose i have this function
blk_queue_hardsect_size(
request_queue_t *queue , unsigned short max );
or some other function takes sector as parameter
hello
i was writing my initial block device driver following LDD
but was totally confused on KERNEL SECTOR SIZE and hardware sector size
issue they discussed in that .
they write sth like
if sector number passed between kernel and block layer it should be
something and
if its passed between
=== Scheduling of
requests, elevators used.
--
Block Device Drivers --just above
disks lies the block device driver
processes read write requests from its queue
On Sun, Feb 1, 2009 at 4:50 AM, nidhi mittal nidhimitta...@gmail.com wrote:
hello
i was writing my initial block device driver following LDD
but was totally confused on KERNEL SECTOR SIZE and hardware sector size
issue they discussed in that .
they write sth like
if sector number passed
to drive your USB bus controller.
Afterwards, you will need to load the device drivers
for the devices connected to your USB bus.
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Please read the FAQ at http
Hi to kernel newbies...This is sharief...I am new to Device driver
developing...can anyone tell me what to do for the belo problem which i have..
i am new to this mailing list...This is my first mail..i have an problem
with my USB module...I will tell the things which i have done
hi sandeep,
i like to write simple char driver for mouse and keyboard
for that purpose ,is it require datasheet of that device?if not then how to
write driver for device without knowing hardware details???
On Sat, Dec 13, 2008 at 4:23 PM, Sandeep K Sinha
In case you need to do simple tweaking on the source code without the
need to replace your current kernel with an experimental one, I
recommend you to use User-mode-Linux (UML). This will enable you to
run the kernel as a process in the user-space without the need to
worry about making backups or
On Mon, Dec 15, 2008 at 8:24 AM, amol verule amol.deb...@gmail.com wrote:
hi sandeep,
i like to write simple char driver for mouse and keyboard
for that purpose ,is it require datasheet of that device?if not then how to
write driver for device without knowing hardware
On Sat, Dec 13, 2008 at 3:27 AM, Yogesh Mali yogs.linuxwo...@gmail.com wrote:
Hello
I have similar question but on different way.
I am more interested in file system related projects.
1) Do I need a separate machine to work on kernel programming?
2) How can I work on kernel programming
own device drivers without a physical hardware.
You can just create device special files and you can write drivers for them.
As you just a starter, the best thing for you would be to start from a
simple kernel module and then writing a simple character device
driver. Google it you will get many
On Sat, Dec 13, 2008 at 6:57 AM, Yogesh Mali yogs.linuxwo...@gmail.com wrote:
Hello
I have similar question but on different way.
I am more interested in file system related projects.
1) Do I need a separate machine to work on kernel programming?
No just download the latest kernel source from
Hi,
I am new to Linux Programming and am particularly interested in Device
Driver programming.
Now, my queries are :
- How do I write a Device Driver without having/ owning a hardware.
- Even if I write one...how do I test it.
- What if I at some later stage I want to get involved
Hello
I have similar question but on different way.
I am more interested in file system related projects.
1) Do I need a separate machine to work on kernel programming?
2) How can I work on kernel programming without hampering my existing kernel
source on linux?
Thank You
Yogesh
On Fri, Dec
Hi all,
i'm reading linux device driver book, and i'm looking for real world examples
of device drivers. Do you have any suggestion which driver is convenient for
preliminary?
--
Enes Albay
signature.asc
Description: This is a digitally signed message part.
In article [EMAIL PROTECTED],
Enes Albay [EMAIL PROTECTED] wrote:
i'm reading linux device driver book, and i'm looking for real
world examples of device drivers. Do you have any suggestion
which driver is convenient for preliminary?
What kind of driver are you interested in?
--
http
On Fri, Oct 17, 2008 at 10:03 AM, Greg KH [EMAIL PROTECTED] wrote:
Sir, it would be of great help if you could help me out in obtaining this
source code as this will help me to progress to the next stage of the
project.
You can download all of it from www.kernel.org.
good luck,
On Friday 17 October 2008 10:12:58 debian developer wrote:
On Fri, Oct 17, 2008 at 10:03 AM, Greg KH [EMAIL PROTECTED] wrote:
Sir, it would be of great help if you could help me out in obtaining
this source code as this will help me to progress to the next stage of
the project.
You
Respected sir,
I am a student in India pursuing a project regarding linux device drivers
with respect to the usb devices.
The project being in the nascent stages, I would be really glad if I could
seek some help from a stalwart like you.
*I wanted to know the source code for reading
would recommend to read it after
having worked through Linux Device Drivers and optionally Linux
Kernel Development. the book contains a lot of useful information
about subsystems (pci, usb, net, wifi, ...) and driver implementation.
--
Matthias Kaehlcke
Embedded Linux Engineer
Barcelona
deeper in driver specific issues. the
book introduces most of the basic stuff, but i think if i was a
complete newbie i'd be rather confused. i would recommend to read it
after having worked through Linux Device Drivers and optionally
Linux Kernel Development. the book contains a lot of useful
Robert P. J. Day wrote:
just picked up a copy of:
http://elinuxdd.com/index.html
and about to read it cover to cover. anyone else already been down
that road? thoughts?
Just bought the book and skimmed over it. Discusses more than what title
says and looks promising. Thanks for the
just picked up a copy of:
http://elinuxdd.com/index.html
and about to read it cover to cover. anyone else already been down
that road? thoughts?
rday
--
Robert P. J. Day
Linux Consulting, Training and Annoying
From: Peter Teoh [EMAIL PROTECTED]
Date: Mon, 31 Mar 2008 10:14:55 +0800
Ie, imagine using a drivers written for the Solaris in Linux, won't
it be cool?
About as cool as a fart in a spacesuit.
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of the many initial
difficulties as mentioned in the paper) the growth of using Java for
device drivers development. Contrast it against udev - esp in terms of
usability/supportability/extensibility etc. udev is a Linux thing,
whereas Java is at industry level. If everyone write applications
initial
difficulties as mentioned in the paper) the growth of using Java for
device drivers development. Contrast it against udev - esp in terms of
usability/supportability/extensibility etc. udev is a Linux thing,
whereas Java is at industry level. If everyone write applications
device
are beginning to pop
up - I don't see why it inhibits (in spite of the many initial
difficulties as mentioned in the paper) the growth of using Java for
device drivers development. Contrast it against udev - esp in terms of
usability/supportability/extensibility etc. udev is a Linux
On Mon, Mar 31, 2008 at 7:58 PM, Jacek Luczak [EMAIL PROTECTED] wrote:
Peter Zijlstra pisze:
Java? Compete against C? Don't scare embedded devs.
The future is always uncertain for us. Embedded development usually
emphasizes on performance, unlike those of the desktop. So which
language
difficulties as mentioned in the paper) the growth of using Java for
device drivers development. Contrast it against udev - esp in terms of
usability/supportability/extensibility etc. udev is a Linux thing,
whereas Java is at industry level. If everyone write applications
device
Hi All,
I have build mini linux distro for my ARM920T embedded system. It
includes my own bootloader, 2.6.24 vanilla kernel, jffs2 rootfs and
busybox. I use buildroot toolchain.
Now I want start to write device drivers for my hardware.
I've read O'REILLY book Linux Device Drivers (3th
On Mon, Jul 23, 2007 at 09:30:14PM -0700, John Lowry wrote:
Iyer wrote:
What is the advantage of loading and unloading device drivers, apart
from memory savings?
Yes, this becomes important in embedded devices. Not for normal desktop
usage however.
...
I doubt this - the kernel size
Rajat Jain wrote:
Hi,
How / where do you specify the module load ordering?
Perhaps modules.dep ?
I thought that is only for specifying dependencies among modules. Could
someone clarify?
Thanks,
Rajat
Hi,
How / where do you specify the module load ordering?
Perhaps modules.dep ?
I thought that is only for specifying dependencies among modules. Could someone
clarify?
Thanks,
Rajat
What is the advantage of loading and unloading device drivers, apart from
memory savings? Does loading and unloading of kernel modules enhance stability
? I have lots of memory in a device and the device will run only one
application on it, would loading and unloading of device drivers
Iyer wrote:
What is the advantage of loading and unloading device drivers, apart
from memory savings?
Yes, this becomes important in embedded devices. Not for normal desktop
usage however.
Does loading and unloading of kernel modules
enhance stability ?
Only if you are testing an unstable
I have readed your answer in newsbees (and in this mail). I am going to
complement it with looking inside the source code. Reading Linux Device Drivers
3 was only the first step in my learning of Linux kernel (I focuse on writing
drivers which i used to do for Windows kernel).
Thanks.
Philippe
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