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Re: [PATCH 08/24] hw/arm/mps2-tz: Condition IRQ splitting on number of C


From: Philippe Mathieu-Daudé
Subject: Re: [PATCH 08/24] hw/arm/mps2-tz: Condition IRQ splitting on number of CPUs, not board type
Date: Fri, 12 Feb 2021 19:25:17 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.0

On 2/5/21 6:00 PM, Peter Maydell wrote:
> In the mps2-tz board code, we handle devices whose interrupt lines
> must be wired to all CPUs by creating IRQ splitter devices for the
> AN521, because it has 2 CPUs, but wiring the device IRQ directly to
> the SSE/IoTKit input for the AN505, which has only 1 CPU.
> 
> We can avoid making an explicit check on the board type constant by
> instead creating and using the IRQ splitters for any board with more
> than 1 CPU.  This avoids having to add extra cases to the
> conditionals every time we add new boards.
> 
> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
> ---
> This removes the only current user of mmc->fpga_type, but we're
> going to want it again later in the series.
> ---
>  hw/arm/mps2-tz.c | 19 +++++++++----------
>  1 file changed, 9 insertions(+), 10 deletions(-)

Good idea.

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>



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