Simple write to an UART mode register fails

2011-03-02 Thread Frey ext-FA, Maurus
Hi, I wrote a simple module, which should initialise an USART in RS485-mode (RTS stays low after initialisation) and register it as platform_device. Its on an Atmel at91sam9260 board, so I can re-use most of the mach arm-sources (atmel_serial.c etc.) When the module gets loaded I got the

what is the kernel symbol for user space grant access driver

2011-03-02 Thread Tapas Mishra
Hi, I want to know with respect to an image here http://bderzhavets.files.wordpress.com/2010/04/pv-2-6-32-12.png I have already compiled a kernel it mentions to enable  user space grant access driver While compiling I did not notice it how can I now verify post compile some symbol CONFIG_* which

Re: what is the kernel symbol for user space grant access driver

2011-03-02 Thread Daniel Baluta
Hello, I want to know with respect to an image here http://bderzhavets.files.wordpress.com/2010/04/pv-2-6-32-12.png I have already compiled a kernel it mentions to enable  user space grant access driver While compiling I did not notice it how can I now verify post compile some symbol

Re: what is the kernel symbol for user space grant access driver

2011-03-02 Thread Tapas Mishra
On Wed, Mar 2, 2011 at 8:35 PM, Daniel Baluta daniel.bal...@gmail.com wrote: Hello, I want to know with respect to an image here http://bderzhavets.files.wordpress.com/2010/04/pv-2-6-32-12.png I have already compiled a kernel it mentions to enable  user space grant access driver While

Re: likely kernel/driver problem with 3G USB stick

2011-03-02 Thread John Mahoney
On Tue, Mar 1, 2011 at 11:10 AM, Simon Leung simonle...@gmx.com wrote: Hi all, I'm having a problem with my 3G USB stick (Huawei E220) . The kernel I'm using is version 2.6.21 customized for an ARM board. When I insert the USB stick into the system, normally 3 device show up:

Re: Disabling an interrupt

2011-03-02 Thread Sri Ram Vemulpali
http://lxr.linux.no/linux+v2.6.37.2/kernel/irq/manage.c#L217 Check the above link. --Sri On Tue, Mar 1, 2011 at 3:55 AM, Jacky Lam lamshu...@gmail.com wrote: Hi,     It's long before when I want to enable/disable an interrupt, I call enable_irq()/disable_irq(). However, recently, I do that