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-rw-r--r--arch/s390/pci/pci.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c
index b0cef4db2413..bc8935d3e5da 100644
--- a/arch/s390/pci/pci.c
+++ b/arch/s390/pci/pci.c
@@ -355,6 +355,12 @@ resource_size_t pcibios_align_resource(void *data, const struct resource *res,
return 0;
}
+/* combine single writes by using store-block insn */
+void __iowrite64_copy(void __iomem *to, const void *from, size_t count)
+{
+ zpci_memcpy_toio(to, from, count);
+}
+
/* Create a virtual mapping cookie for a PCI BAR */
void __iomem *pci_iomap(struct pci_dev *pdev, int bar, unsigned long max)
{