[PATCH/RESEND] irqchip: gic: Don't complain in gic_get_cpumask() if UP system
Jason Cooper
jason at lakedaemon.net
Sat Mar 14 18:51:19 PDT 2015
On Wed, Mar 11, 2015 at 11:21:31PM -0700, Stephen Boyd wrote:
> In a uniprocessor implementation the interrupt processor targets
> registers are read-as-zero/write-ignored (RAZ/WI). Unfortunately
> gic_get_cpumask() will print a critical message saying
>
> GIC CPU mask not found - kernel will fail to boot.
>
> if these registers all read as zero, but there won't actually be
> a problem on uniprocessor systems and the kernel will boot just
> fine. Skip this check if we're running a UP kernel or if we
> detect that the hardware only supports a single processor.
>
> Acked-by: Nicolas Pitre <nico at linaro.org>
> Acked-by: Felipe Balbi <balbi at ti.com>
> Acked-by: Nishanth Menon <nm at ti.com>
> Acked-by: Stefan Agner <stefan at agner.ch>
> Cc: Russell King <rmk+kernel at arm.linux.org.uk>
> Signed-off-by: Stephen Boyd <sboyd at codeaurora.org>
> ---
>
> Picked up acks from the list
>
> drivers/irqchip/irq-gic.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Applied to irqchip/core
thx,
Jason.
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