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Message-Id: <1541414431-84128-2-git-send-email-peng.hao2@zte.com.cn>
Date: Mon, 5 Nov 2018 18:40:24 +0800
From: Peng Hao <peng.hao2@....com.cn>
To: robh+dt@...nel.org, mark.rutland@....com, arnd@...db.de,
gregkh@...uxfoundation.org, andy@...radead.org,
dvhart@...radead.org
Cc: linux-kernel@...r.kernel.org, platform-driver-x86@...r.kernel.org,
hutao@...fujitsu.com, linux-doc@...r.kernel.org,
Peng Hao <peng.hao2@....com.cn>
Subject: [PATCH V7 2/9] misc/pvpanic: simplify the code using acpi_dev_resource_io
Use acpi_dev_resource_io API.
Suggested-by: Andy Shevchenko <andy.shevchenko@...il.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@...il.com>
Acked-by: Mark Rutland <mark.rutland@....com>
Signed-off-by: Peng Hao <peng.hao2@....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
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