[PATCH V5 5/8] misc/pvpanic: simplify the code using acpi_dev_resource_io

From: Peng Hao
Date: Thu Nov 01 2018 - 02:59:57 EST


use acpi_dev_resource_io API.

Signed-off-by: Peng Hao <peng.hao2@xxxxxxxxxx>
---
drivers/misc/pvpanic.c | 14 ++++++--------
1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/drivers/misc/pvpanic.c b/drivers/misc/pvpanic.c
index 0bcf1cd..c20fdff 100644
--- a/drivers/misc/pvpanic.c
+++ b/drivers/misc/pvpanic.c
@@ -64,17 +64,15 @@
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