Re: Re request_threaded_irq

2012-01-24 Thread naveen yadav
Hi Asutosh .. How r u doing I hope below will clear .. or for more detail http://lwn.net/Articles/302043/ 1. threaded interrupt handlers Benifits: a) Reduce latency b) reduce locking between hard and soft part. 1. threaded interrupt handlers Benifits: a) Reduce latency b) reduce lock

Re: What is a console? and Why it is always associated with UART?

2012-01-24 Thread Peter Teoh
Hi Dave And Sandeep, Hope I can contribute and sorry for the interruption of conversation :-(. On Tue, Jan 10, 2012 at 2:59 PM, Dave Hylands wrote: > Hi sandeep, > > On Mon, Jan 9, 2012 at 10:37 PM, sandeep kumar > wrote: > > Hi All, > > > > I want to know "What is a console? > > A console is

Re request_threaded_irq

2012-01-24 Thread Asutosh Das
Hi I have a query regarding the difference between request_irq and request_threaded_irq. I am aware that the thread_fn_handler may sleep, allocate memory, acquire locks etc. What context does the thread fn passed to the request_threaded_irq run in ? TIA -- ~/asd ___

Re: serial: 8250: RX hang issue

2012-01-24 Thread Peter Teoh
On Tue, Nov 22, 2011 at 12:10 AM, Pradeep Kumar wrote: > Hi All, > I am working on a mobile development platform and performing some stress > warm boot tests using UART debug console(which is using serial 8250 driver > for console). > > I am getting device debug console UART RX hang after iteratio

Re: How to shutdown console redirection

2012-01-24 Thread Peter Teoh
check out slide 5 here: http://www.slideshare.net/anil_pugalia/embedded-device-busdrivers On Wed, Jan 25, 2012 at 9:36 AM, Peter Teoh wrote: > read this: > > http://elinux.org/Disable_Console > > and this: > > http://elinux.org/Kernel_Debugging_Tips#Controlling_console_output > > Perhaps u can

Re: How to shutdown console redirection

2012-01-24 Thread Peter Teoh
read this: http://elinux.org/Disable_Console and this: http://elinux.org/Kernel_Debugging_Tips#Controlling_console_output Perhaps u can extract relevant APIs from below URLs to solve your problem: a. at the hardware level, serial communication can come from UART interface, or infrared interf

Re: what is the "+" sigh in the modules folder name?

2012-01-24 Thread Anand Moon
Hi Christopher, From my knowledge it because of in linux-2.6.37/Makefile In my case content of Lantiq_UGW_5.x/linux/Makefile #head Lantiq_UGW_5.x/linux/Makefile VERSION = 2 PATCHLEVEL = 6 SUBLEVEL = 32 EXTRAVERSION = .32 NAME = Man-Eating Seals of Antiquity # *DOCUMENTATION* This EXTRAVERSION g

Re: what is the "+" sigh in the modules folder name?

2012-01-24 Thread Christopher Harvey
On 23.01.2012 15:53, Robert P. J. Day wrote: > On Tue, 24 Jan 2012, Graeme Russ wrote: > >> It would be worth testing if a checkout of a tag (say 3.2.0) plus a >> local commit causes '+' and 'dirty' > > i think "dirty" only shows up if you have local, uncommitted > changes. but i should probably