On Fri, 2012-03-09 at 10:17 +0700, Mai La wrote:
> This patch consists of:
> - Enable PCI MSI as default for Bluestone board
> - Define number of MSI interrupt for Maui APM821xx SoC using in Bluestone 
> board
> - Fix returning ENODEV as finding MSI node
> - Fix MSI physical high and low address
> - Keep MSI data logically
> 
> Signed-off-by: Mai La <m...@apm.com>
> ---

> index 7b4df37..c86231e 100644
> --- a/arch/powerpc/sysdev/Kconfig
> +++ b/arch/powerpc/sysdev/Kconfig
> @@ -20,6 +20,12 @@ config PPC_MSI_BITMAP
>       default y if FSL_PCI
>       default y if PPC4xx_MSI
>  
> +config PPC4xx_NR_MSI_IRQS
> +     int "Number of PCI MSI interrupts"
> +     depends on PCI_MSI && PPC4xx_MSI
> +     default "4" if !APM821xx
> +     default "8" if APM821xx
> +

 .../...

> +#define NR_MSI_IRQS CONFIG_PPC4xx_NR_MSI_IRQS

ARGH.

We asked to -NOT MAKE THIS A COMPILE TIME OPTION-

CONFIG_foo is as bad as your previous ifdef, in fact you just added a
useless config option here.

Make that number dynamic. Count the entries in the device-tree (or add
a property with the number in it, whatever you fancy the most) but make
it something detected at RUNTIME !!!!!

Ben.


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