Re: [004/244] sfi: table irq 0xFF means no interrupt

[Kirill A. Shutemov]

On Wed, Sep 28, 2011 at 02:59:28PM -0700, Greg KH wrote:
> 3.0-stable review patch.  If anyone has any objections, please let us know.
> 
> ------------------
> 
> From: "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx>
> 
> commit a94cc4e6c0a26a7c8f79a432ab2c89534aa674d5 upstream.
> 
> According to the SFI specification irq number 0xFF means device has no
> interrupt or interrupt attached via GPIO.
> 
> Currently, we don't handle this special case and set irq field in
> *_board_info structs to 255.  It leads to confusion in some drivers.
> Accelerometer driver tries to register interrupt 255, fails and prints
> "Cannot get IRQ" to dmesg.
> 
> Signed-off-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
> Signed-off-by: Alan Cox <alan@xxxxxxxxxxxxxxx>
> Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

Please, take this as well:

http://lkml.org/lkml/2011/9/14/40

-- 
 Kirill A. Shutemov
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