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-rw-r--r--arch/parisc/kernel/drivers.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/parisc/kernel/drivers.c b/arch/parisc/kernel/drivers.c
index 5eb979d04b90..15e7b3be7b6b 100644
--- a/arch/parisc/kernel/drivers.c
+++ b/arch/parisc/kernel/drivers.c
@@ -38,6 +38,7 @@
#include <asm/io.h>
#include <asm/pdc.h>
#include <asm/parisc-device.h>
+#include <asm/ropes.h>
/* See comments in include/asm-parisc/pci.h */
const struct dma_map_ops *hppa_dma_ops __read_mostly;
@@ -257,6 +258,30 @@ static struct parisc_device *find_device_by_addr(unsigned long hpa)
return ret ? d.dev : NULL;
}
+static int __init is_IKE_device(struct device *dev, void *data)
+{
+ struct parisc_device *pdev = to_parisc_device(dev);
+
+ if (!check_dev(dev))
+ return 0;
+ if (pdev->id.hw_type != HPHW_BCPORT)
+ return 0;
+ if (IS_IKE(pdev) ||
+ (pdev->id.hversion == REO_MERCED_PORT) ||
+ (pdev->id.hversion == REOG_MERCED_PORT)) {
+ return 1;
+ }
+ return 0;
+}
+
+int __init machine_has_merced_bus(void)
+{
+ int ret;
+
+ ret = for_each_padev(is_IKE_device, NULL);
+ return ret ? 1 : 0;
+}
+
/**
* find_pa_parent_type - Find a parent of a specific type
* @dev: The device to start searching from