Linux System Calls vs writing device drivers

[Ashok Sharma]

Hello,
 
Also would like to know if one needs to work on a Hardware toolkit as well for LDD
 
Thanks for sharing the useful article link

www.quora.com/Linux/Whats-the-best-way-to-learn-device-driver-development-on-Linux

Regards
Ashok
 

--- On Sun, 16/10/11, Javier Martinez Canillas <martinez.javier at gmail.com> wrote:


From: Javier Martinez Canillas <martinez.javier at gmail.com>
Subject: Re: Linux System Calls vs writing device drivers
To: "Ashok Sharma" <aks6d at yahoo.co.uk>
Cc: "kernelnewbies" <kernelnewbies at kernelnewbies.org>
Date: Sunday, 16 October, 2011, 17:46


On Sat, Oct 15, 2011 at 4:26 PM, Ashok Sharma <aks6d at yahoo.co.uk> wrote:







Hello,
 
I am interested in writing Linux device drivers (DD) and have knowledge of OS concepts, Linux OS design and System Calls. What is the path to writing DD and please give some references/links.   
 
Thank you and regards
Ashok
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Hello Ashok,

A few days ago I wrote a lengthy answer to the same question in quora, if you want to take a look: www.quora.com/Linux/Whats-the-best-way-to-learn-device-driver-development-on-Linux

Short answer: 

If you have an Android device, there is a big probability that the drivers for that hardware have not yet been pushed upstream. Android and Linux differ slightly but enough to force a developer to choose to write a driver either for Android or Linux.

So, a useful contribution and an excellent learning process could be porting Android device drivers to Linux.

-- 
Javier Martínez Canillas
(+34) 682 39 81 69
Barcelona, Spain

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