Re: [Xen-devel] [PATCH v2 5/9] xen: arm: implement arch/platform SMP and CPU initialisation framework

[Julien Grall <julien.grall@xxxxxxxxxx>]

On 09/26/2013 11:49 AM, Ian Campbell wrote:
> +
> +static int vexpress_smp_init(void)
> +{
> +    void __iomem *sysflags;
> +
> +    sysflags = ioremap_nocache(V2M_SYS_MMIO_BASE, PAGE_SIZE);
> +    if ( !sysflags )
> +    {
> +        dprintk(XENLOG_ERR, "Unable to map vexpress MMIO\n");
> +        return -EFAULT;
> +    }
> +
> +    printk("Set SYS_FLAGS to %"PRIpaddr" (%p)\n",
> +           __pa(init_secondary), init_secondary);
> +    iowritel(sysflags + V2M_SYS_FLAGSCLR, ~0);
> +    iowritel(sysflags + V2M_SYS_FLAGSSET,
> +             __pa(init_secondary));

You need to replace iowritel by writel.
Otherwise:
Acked-by: Julien Grall <julien.grall@xxxxxxxxxx>

-- 
Julien Grall

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