[PATCH 59/84] PNP: add pnp_resource_type_name() helper function

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From: Bjorn Helgaas <bjorn.helgaas@xxxxxx>

This patch adds a "pnp_resource_type_name(struct resource *)" that
returns the string resource type.  This will be used by the sysfs
"show resources" function and the debug resource dump function.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@xxxxxx>
Signed-off-by: Len Brown <len.brown@xxxxxxxxx>
---
 drivers/pnp/base.h    |    1 +
 drivers/pnp/support.c |   15 +++++++++++++++
 2 files changed, 16 insertions(+), 0 deletions(-)

diff --git a/drivers/pnp/base.h b/drivers/pnp/base.h
index 4c2a625..c913158 100644
--- a/drivers/pnp/base.h
+++ b/drivers/pnp/base.h
@@ -43,6 +43,7 @@ int pnp_check_mem(struct pnp_dev *dev, struct resource *res);
 int pnp_check_irq(struct pnp_dev *dev, struct resource *res);
 int pnp_check_dma(struct pnp_dev *dev, struct resource *res);
 
+char *pnp_resource_type_name(struct resource *res);
 void dbg_pnp_show_resources(struct pnp_dev *dev, char *desc);
 
 void pnp_init_resource(struct resource *res);
diff --git a/drivers/pnp/support.c b/drivers/pnp/support.c
index 7f594cc..eb07345 100644
--- a/drivers/pnp/support.c
+++ b/drivers/pnp/support.c
@@ -52,6 +52,21 @@ void pnp_eisa_id_to_string(u32 id, char *str)
 	str[7] = '\0';
 }
 
+char *pnp_resource_type_name(struct resource *res)
+{
+	switch (pnp_resource_type(res)) {
+	case IORESOURCE_IO:
+		return "io";
+	case IORESOURCE_MEM:
+		return "mem";
+	case IORESOURCE_IRQ:
+		return "irq";
+	case IORESOURCE_DMA:
+		return "dma";
+	}
+	return NULL;
+}
+
 void dbg_pnp_show_resources(struct pnp_dev *dev, char *desc)
 {
 #ifdef DEBUG
-- 
1.5.6.1.89.gd544

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