[PATCH V6 2/8] misc/pvpanic: simplify the code using acpi_dev_resource_io

[Peng Hao]

Use acpi_dev_resource_io API.

Suggested-by: Andy Shevchenko <andy.shevche...@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevche...@gmail.com>
Acked-by: Mark Rutland <mark.rutl...@arm.com>
Signed-off-by: Peng Hao <peng.h...@zte.com.cn>
---
 drivers/misc/pvpanic.c | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/drivers/misc/pvpanic.c b/drivers/misc/pvpanic.c
index fd86dab..49c59e1 100644
--- a/drivers/misc/pvpanic.c
+++ b/drivers/misc/pvpanic.c
@@ -77,17 +77,14 @@
 static acpi_status
 pvpanic_walk_resources(struct acpi_resource *res, void *context)
 {
-       switch (res->type) {
-       case ACPI_RESOURCE_TYPE_END_TAG:
-               return AE_OK;
+       struct resource r;
 
-       case ACPI_RESOURCE_TYPE_IO:
-               port = res->data.io.minimum;
+       if (acpi_dev_resource_io(res, &r)) {
+               port = r.start;
                return AE_OK;
-
-       default:
-               return AE_ERROR;
        }
+
+       return AE_ERROR;
 }
 
 static int pvpanic_add(struct acpi_device *device)
-- 
1.8.3.1