On Tue, 17 Nov 2015, shannon.zhao@xxxxxxxxxx wrote:
> From: Shannon Zhao <shannon.zhao@xxxxxxxxxx>
>
> Use xlated_setup_gnttab_pages to setup grant table. Then it doesn't rely
> on DT or ACPI to pass the start address and size of grant table.
>
> Signed-off-by: Shannon Zhao <shannon.zhao@xxxxxxxxxx>
It looks good. I'll wait for the final version of
xlated_setup_gnttab_pages before acking it, but it is fine in principle.
> arch/arm/xen/enlighten.c | 10 +---------
> 1 file changed, 1 insertion(+), 9 deletions(-)
>
> diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c
> index eeeab07..7cb82f7 100644
> --- a/arch/arm/xen/enlighten.c
> +++ b/arch/arm/xen/enlighten.c
> @@ -186,18 +186,10 @@ static int __init xen_guest_init(void)
> {
> struct xen_add_to_physmap xatp;
> struct shared_info *shared_info_page = NULL;
> - struct resource res;
> - phys_addr_t grant_frames;
>
> if (!xen_domain())
> return 0;
>
> - if (of_address_to_resource(xen_node, GRANT_TABLE_PHYSADDR, &res)) {
> - pr_err("Xen grant table base address not found\n");
> - return -ENODEV;
> - }
> - grant_frames = res.start;
> -
> xen_events_irq = irq_of_parse_and_map(xen_node, 0);
> if (!xen_events_irq) {
> pr_err("Xen event channel interrupt not found\n");
> @@ -232,7 +224,7 @@ static int __init xen_guest_init(void)
> if (xen_vcpu_info == NULL)
> return -ENOMEM;
>
> - if (gnttab_setup_auto_xlat_frames(grant_frames)) {
> + if (xlated_setup_gnttab_pages()) {
> free_percpu(xen_vcpu_info);
> return -ENOMEM;
> }
> --
> 2.1.0
>
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