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authorShannon Zhao <shannon.zhao@linaro.org>2016-04-07 20:03:21 +0800
committerDavid Vrabel <david.vrabel@citrix.com>2016-07-06 10:34:42 +0100
commit3cf4095d7446efde28b48c26050b9db6f0bcb004 (patch)
tree97c8c03a1a74c65ac26494b35b0d23f715e3f46b /arch/arm/xen
parent975fac3c4f38e0b47514abdb689548a8e9971081 (diff)
arm/xen: Use xen_xlate_map_ballooned_pages to setup grant table
Use xen_xlate_map_ballooned_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@linaro.org> Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Reviewed-by: Julien Grall <julien.grall@arm.com> Tested-by: Julien Grall <julien.grall@arm.com>
Diffstat (limited to 'arch/arm/xen')
-rw-r--r--arch/arm/xen/enlighten.c13
1 files changed, 4 insertions, 9 deletions
diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c
index 75cd7345c654..d94f726adc8a 100644
--- a/arch/arm/xen/enlighten.c
+++ b/arch/arm/xen/enlighten.c
@@ -282,18 +282,10 @@ 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");
@@ -328,7 +320,10 @@ static int __init xen_guest_init(void)
if (xen_vcpu_info == NULL)
return -ENOMEM;
- if (gnttab_setup_auto_xlat_frames(grant_frames)) {
+ xen_auto_xlat_grant_frames.count = gnttab_max_grant_frames();
+ if (xen_xlate_map_ballooned_pages(&xen_auto_xlat_grant_frames.pfn,
+ &xen_auto_xlat_grant_frames.vaddr,
+ xen_auto_xlat_grant_frames.count)) {
free_percpu(xen_vcpu_info);
return -ENOMEM;
}