xrandr is required if resolution is changed from GDM

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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Re: linux booting

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

Re: Embedded Linux development

Hi Pavan, On Sat, Jan 2, 2010 at 3:04 AM, Pavan Kandepet pava...@gmail.com 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

Re: Help in learning real PCI device driver

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 Jainvipu...@gmail.com wrote: Hi All,    I am a newbie in linux device

MMC host controller driver query

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

Re: Question regarding spinlock

On Tue, May 19, 2009 at 8:49 AM, Pei Lin telent...@gmail.com 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

bottom half handler choice

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

SDIO card for wifi

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 -- To unsubscribe from this list: send

Re: Questions about FSG, pls help me(platform:s3c2440 and linux2.6.26)

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

Re: USB Gadget Drivers

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.

Re: boot Linux from Linux

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

Re: [ MAE Comp : 1579 ] use of losetup

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

PCI wireless LAN card with driver source avilable

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

Re: 32 bit and 64 bit---- doubt

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 a very

Pl080 DMA controller

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

RE: Alignment trap problem

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

RE: Alignment trap problem

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