Commit 74226b8c authored by Konrad Rzeszutek Wilk's avatar Konrad Rzeszutek Wilk
Browse files

xen/pci: Request ACS when Xen-SWIOTLB is activated.



It used to done in the Xen startup code but that is not really
appropiate.

[v2: Update Kconfig with PCI requirement]
Signed-off-by: default avatarKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
parent 956a9202
/* Glue code to lib/swiotlb-xen.c */
#include <linux/dma-mapping.h>
#include <linux/pci.h>
#include <xen/swiotlb-xen.h>
#include <asm/xen/hypervisor.h>
......@@ -54,5 +55,8 @@ void __init pci_xen_swiotlb_init(void)
if (xen_swiotlb) {
xen_swiotlb_init(1);
dma_ops = &xen_swiotlb_dma_ops;
/* Make sure ACS will be enabled */
pci_request_acs();
}
}
......@@ -74,6 +74,6 @@ config XEN_PLATFORM_PCI
config SWIOTLB_XEN
def_bool y
depends on SWIOTLB
depends on PCI && SWIOTLB
endmenu
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