*, SUBSYSTEM==tty, ATTRS{serial}==__0X00124B000148CC78,
SYMLINK+=mydev
Then, all issues were resolved. It works fine irrespective of the device
insertion, too.
Thank you all.
Regards,
Srinivas.
On Wed, Mar 5, 2014 at 4:29 PM, Bjørn Mork bj...@mork.no wrote:
Srinivas Ganji srinivasganji.ker
On Thu, Mar 6, 2014 at 12:04 PM, Kalyan Kodamagula kalyan_0...@yahoo.comwrote:
Hi,
Iam new to this ML,I need info regarding Usb device drivers.I had
learned Lnx device drivers and having
knowledge on USB Host driver(highlevel).
I had seen probe/read/write functions of a driver.As
Dear All,
We have a USB CDC device which we are connecting it to the Ubuntu system.
Then, we are accessing the device using an application by opening the
device with /dev/ttyACM0 node. The system may have multiple USB CDC devices
already connected before connecting my device, sometimes. In such
Hi Ulka,
Generally, the PCI configuration details are supplied by the PCI Card
manufactures where they can explain all those details which you asked. So,
try to get the PCI User Manual for the PCI card that you are working. In
that user manual, you find all the information.
Regarding the DMA, we
Hi Arun,
Generally, the BSP stands for Board Support Package.
The elements that are contained in the BSP are
1) Boot Loader
2) OEM Adaptation Layer (OAL)
3) Device Drivers
4) Configuration Files
-- Boot Loader downloads the OS images in to the target board
-- OAL links the kernel image and
I have also tested, build KO file using your C file, on my kernel and it is
working fine. The kernel version is 3.2.11
Why don't you try any other kernel version and see whether you are getting
same error or not? I guess, it works.
Regards,
Srinivas G
On Fri, Sep 6, 2013 at 10:22 AM,
Arun,
I guess, you need to select the xhci_hcd module in make menuconfig for
building it as a module. Here are the steps to do it.
Device Drivers ---
[*] USB support ---
Make sure Support for Host-side USB is a dynamically loadable module by
moving the cursor to that item and hitting the 'm'
and it has worked (the table is in arch/x86/syscalls/syscall_32.tbl). Now,
I'm going to try to create my own directory in kernel source which contains
my system call implementation files as Srinivas Ganji has proposed.
On Fri, 19 Jul 2013 12:15:44 +0530
Srinivas Ganji srinivasganji.ker...@gmail.com
Hi Iker Pedrosa,
In old versions of Linux kernels like 2.6.xx, the approach was different
from Linux version 3.3 on wards.
There are two different approaches to implement own system call. Each
approach involves several steps. The difference between two approaches is,
in one approach, we
This is ONLY a hint for finding the header files in the /usr/src/linux
directory. I do generally like this.
find include -type f | xargs grep kthread_run
Replace kthread_run with new strings for searching. This is ONLY a HINT
but you asked for clear explanation.
Regards,
Srinivas.
On Fri, Jul
a way to practice. For example: I
want to read a process 'struct task_struct' to find it parent's process
identifier, how many tasks are in which state, creating kernel threads etc?
Any idea?
On Mon, Jul 15, 2013 at 2:32 PM, Srinivas Ganji
srinivasganji.ker...@gmail.com wrote:
As per as I
-uid = 0; \
new1-gid = 0; \
commit_creds(new1)
*}*
*
*
Sorry I am still getting a compiler error.
Regards,
Saket Sinha
*
*
On Mon, Jul 15, 2013 at 2:25 PM, Srinivas Ganji
srinivasganji.ker...@gmail.com wrote:
A small suggestion, use begin { and end
On Wed, Feb 20, 2013 at 11:59 AM, Srinivas Ganji
srinivasganji.ker...@gmail.com wrote:
On Tue, Feb 19, 2013 at 5:02 PM, Kevin Wilson wkev...@gmail.com wrote:
Hi,
Thanks about the info about ps.
This raises two new questions:
1) The following code is a very basic kernel module (based
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