1 files changed, 34 insertions, 1 deletions

diff --git a/arch/arm/kernel/ecard.c b/arch/arm/kernel/ecard.c
index bdbd7da99286..f56d48c451ea 100644
--- a/arch/arm/kernel/ecard.c
+++ b/arch/arm/kernel/ecard.c
@@ -41,11 +41,11 @@
 #include <linux/init.h>
 #include <linux/mutex.h>
 #include <linux/kthread.h>
+#include <linux/io.h>
 
 #include <asm/dma.h>
 #include <asm/ecard.h>
 #include <asm/hardware.h>
-#include <asm/io.h>
 #include <asm/irq.h>
 #include <asm/mmu_context.h>
 #include <asm/mach/irq.h>
@@ -958,6 +958,31 @@ void ecard_release_resources(struct expansion_card *ec)
 }
 EXPORT_SYMBOL(ecard_release_resources);
 
+void ecard_setirq(struct expansion_card *ec, const struct expansion_card_ops *ops, void *irq_data)
+{
+        ec->irq_data = irq_data;
+        barrier();
+        ec->ops = ops;
+}
+EXPORT_SYMBOL(ecard_setirq);
+
+void __iomem *ecardm_iomap(struct expansion_card *ec, unsigned int res,
+                           unsigned long offset, unsigned long maxsize)
+{
+        unsigned long start = ecard_resource_start(ec, res);
+        unsigned long end = ecard_resource_end(ec, res);
+
+        if (offset > (end - start))
+                return NULL;
+
+        start += offset;
+        if (maxsize && end - start > maxsize)
+                end = start + maxsize;
+        
+        return devm_ioremap(&ec->dev, start, end - start);
+}
+EXPORT_SYMBOL(ecardm_iomap);
+
 /*
  * Probe for an expansion card.
  *
@@ -1133,6 +1158,14 @@ static int ecard_drv_remove(struct device *dev)
         drv->remove(ec);
         ecard_release(ec);
 
+        /*
+         * Restore the default operations.  We ensure that the
+         * ops are set before we change the data.
+         */
+        ec->ops = &ecard_default_ops;
+        barrier();
+        ec->irq_data = NULL;
+
         return 0;
 }