Re: linux gpio

2011-04-03 Thread Jim Cromie
2011/3/29 Jürgen Lambrecht j.lambre...@televic.com: Hello, I am new to linux (coming from eCos). My backlight driver does not start up because the reset gpio pin is not correct specified. How does gpio work in Linux? theres no single way. the new way is in drivers/gpio/* , implemented in

Re: ARM : Kernel : Setting up of MMU in head.S

2011-04-03 Thread Prakash K.B.
Hi Dave. On Thu, Mar 31, 2011 at 7:29 PM, Dave Hylands dhyla...@gmail.com wrote: Hi Prakash, On Wed, Mar 30, 2011 at 11:01 PM, Prakash K.B. prakash...@gmail.com wrote: Merci mate. :-) On Thu, Mar 31, 2011 at 3:59 AM, Dave Hylands dhyla...@gmail.com wrote: Hi Prakash, On Wed,

i/o opening error for PCI access

2011-04-03 Thread Sengottuvelan S
Hi All, I am trying to access /dev/mem in my user process. I could not access because not a privileged access. I tried to use iopl(3) call in linux 2.6, but i am getting unresolved symbol for this. Is any other way to get access in user process. I am not sure how to solve this. Can you someone

why only C?

2011-04-03 Thread mohit verma
Hi list, I have a very basic question. As far as i can decipher , we impose Object oriented paradigm in kernel space using C : like using gates to allow only one way entry and binding functions to structures in a OOP fashion and trying to make them private to that structure only ,

Re: why only C?

2011-04-03 Thread Anuz Pratap Singh Tomar
On Sun, Apr 3, 2011 at 8:17 PM, mohit verma mohit89m...@gmail.com wrote: Hi list, I have a very basic question. As far as i can decipher , we impose Object oriented paradigm in kernel space using C : like using gates to allow only one way entry and binding functions to structures in a OOP

Re: why only C?

2011-04-03 Thread Daniel Baluta
On Sun, Apr 3, 2011 at 10:17 PM, mohit verma mohit89m...@gmail.com wrote: Hi list, I have a very basic question. How much time have you tried documenting on this topic [1]? thanks, Daniel. [1] http://answers.google.com/answers/threadview/id/718661.html

Re: Regarding enable paging code and swapper_pg_dir.

2011-04-03 Thread mindentropy
On Sunday 03 Apr 2011 2:22:19 am James Light wrote: On Sat, Apr 02, 2011 at 11:18:19PM +0530, mindentropy wrote: On Saturday 02 Apr 2011 9:55:35 pm James Light wrote: To put the physical address into cr3 later. $swapper_pg_dir is not the PHYSICAL address of the PGD. Correct me if I

GSOC 2011 proposal: Linux kernel library

2011-04-03 Thread Lucian Adrian Grijincu
Hi guys, I'd like to work for GSOC on a Linux Kernel project. The Linux Foundation says that for stuff that's not LSB/a11y/drivers/wireless/printing I should contact you guys. https://www.linuxfoundation.org/collaborate/workgroups/gsoc/google-summer-code-2011 = Introduction = A few years ago,

Re: i/o opening error for PCI access

2011-04-03 Thread Prasad Joshi
On Sun, Apr 3, 2011 at 6:11 PM, Sengottuvelan S sengottuvela...@gmail.com wrote: Hi All, I am trying to access /dev/mem in my user process. I could not access because not a privileged access. I tried to use iopl(3) call in linux 2.6, I am not sure, but after reading the manpage, it looks like

Re: why only C?

2011-04-03 Thread Chaitannya Mahatme
On Monday 04 April 2011 01:19 AM, Bernd Petrovitsch wrote: Hi! On Mon, 2011-04-04 at 00:47 +0530, mohit verma wrote: [] As far as i can decipher , we impose Object oriented paradigm in kernel space using C : like using gates to allow only one way entry and binding functions

question regarding down_interruptible

2011-04-03 Thread Vijay Ram Chitrapu
Hi Experts, I have a system in which there is a only 1 user process and a corresponding kernel module (driver) associated with it to send and receive data to the user process. In the kernel module, i have a semaphore to protect a critical section of code during the rx and tx paths. However, at