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| author | Peng Hao <peng.hao2@zte.com.cn> | 2018-11-06 15:57:13 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-11-07 13:53:04 +0100 |
| commit | d2ae1717f3f6b1bd86cd05d0443169b645445d62 (patch) | |
| tree | bb281d4c505dc2fe1b9920ede34e6958ef19a3cc /drivers/misc | |
| parent | pvpanic: move pvpanic to misc as common driver (diff) | |
| download | linux-d2ae1717f3f6b1bd86cd05d0443169b645445d62.tar.xz linux-d2ae1717f3f6b1bd86cd05d0443169b645445d62.zip | |
misc/pvpanic: simplify the code using acpi_dev_resource_io
Use acpi_dev_resource_io API.
Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Peng Hao <peng.hao2@zte.com.cn>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/pvpanic.c | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/drivers/misc/pvpanic.c b/drivers/misc/pvpanic.c index fd86daba7ffd..49c59e1d299d 100644 --- a/drivers/misc/pvpanic.c +++ b/drivers/misc/pvpanic.c @@ -77,17 +77,14 @@ static struct notifier_block pvpanic_panic_nb = { 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) |