Re: ISR for shared IRQ is called again and again

2009-02-20 Thread Michael Blizek
Hi! On 18:22 Fri 20 Feb , Denis Borisevich wrote: > Hi, > I have a problem with ISR for shared IRQ in my module. It's being > called for 15-20 times per second and never stops. The other driver > that shares this interrupt is ahci. What can cause this problem? This might be perfectly normal.

USB support doubt

2009-02-20 Thread niamathullah sharief
Hello,   I have an doubt in USB configurationActually my aim is too disconnect the USB support in make menuconfig.After that i have to do USB support in dynamicallyi know to enable through make menuconfig..but i dont want to do that..i want to do dynamically..what are all the modules are

USB support doubt

2009-02-20 Thread niamathullah sharief
Hello,   I have an doubt in USB configurationActually my aim is too disconnect the USB support in make menuconfig.After that i have to do USB support in dynamicallyi know to enable through make menuconfig..but i dont want to do that..i want to do dynamically..what are all the modules are

RE: writing integers to the char device driver

2009-02-20 Thread Daniel Widyanto
Hi Willis, To get EOF in the application program, you just need to return 0 at your driver's read function. IMHO, I think that you can use IOCTL to do your driver easily. Like this: multi.h #ifndef MULTI_H #define MULTI_H #include #define MAJOR_

ARM Linux at91: installing Timer Controller Interrupt

2009-02-20 Thread wp158042-1
Hello there, I'm trying to handle a timer interrupt within the at91 processor... The Problem is: nothing happens, my interrupt handler is never called... Maybe someone here knows about the at91... this is my setup routine: static int __init ad_irq_init(void) { unsigned int ret;

ISR for shared IRQ is called again and again

2009-02-20 Thread Denis Borisevich
Hi, I have a problem with ISR for shared IRQ in my module. It's being called for 15-20 times per second and never stops. The other driver that shares this interrupt is ahci. What can cause this problem? Thanks in advance! -- Denis -- To unsubscribe from this list: send an email with "unsubscribe

Re: mutual exclusion locks over PCI memory

2009-02-20 Thread Matthew Wilcox
On Fri, Feb 20, 2009 at 07:09:51PM +0530, arun c wrote: > PCI host machine (PPC cpu) writes commands to > the PCI memory space of the (Coldfire CPU) > target device. Target device takes the command > and executes it. > > Target devices SDRAM is exposed over PCI to host. > A circular buffer residin

Re: mutual exclusion locks over PCI memory

2009-02-20 Thread Yu Zhao
On Fri, Feb 20, 2009 at 09:39:51PM +0800, arun c wrote: > Hi all, > > I am writing a software to implement communication > over PCI. > > PCI host machine (PPC cpu) writes commands to > the PCI memory space of the (Coldfire CPU) > target device. Target device takes the command > and executes it. >

mutual exclusion locks over PCI memory

2009-02-20 Thread arun c
Hi all, I am writing a software to implement communication over PCI. PCI host machine (PPC cpu) writes commands to the PCI memory space of the (Coldfire CPU) target device. Target device takes the command and executes it. Target devices SDRAM is exposed over PCI to host. A circular buffer residi

Re: Linux kernel programming

2009-02-20 Thread pradeep singh
http://kernelnewbies.org/ Hope this helps you. Thanks, --Pradeep On Fri, Feb 20, 2009 at 2:47 PM, Ramakrishna Rao Guntupalli wrote: > Dear Sir, > as i am very interested in kernel programming and programming of linux and > other kernel please suggest as i am new to this field and i am good

Re: The MIT License Modules

2009-02-20 Thread pradeep singh
I guess you should ask your lawyer, for a precise answer. Please see http://en.wikipedia.org/wiki/MIT_License, it is pretty simple enough I guess. Thanks, --Pradeep On Fri, Feb 20, 2009 at 2:00 PM, Srinivas G. wrote: > Dear All, > > We have used software (freeglut) which comes under MIT Li

Linux kernel programming

2009-02-20 Thread Ramakrishna Rao Guntupalli
Dear Sir, as i am very interested in kernel programming and programming of linux and other kernel please suggest as i am new to this field and i am good in C, C++, if any document for writting the program please forward me so that i can learn and start. Please This is a request from my side.last th

The MIT License Modules

2009-02-20 Thread Srinivas G.
Dear All, We have used software (freeglut) which comes under MIT License, in one of our applications. As far as I know, the MIT License is a very liberal software license that was originally developed at the Massachusetts Institute of Technology. My question is, if I use the MIT license software,