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Groups > linux.kernel > #1616637
| From | Michał Kępień <kernel@kempniu.pl> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v2 2/3] platform/x86: fujitsu-laptop: simplify call_fext_func() |
| Date | 2017-04-05 09:00 +0200 |
| Message-ID | <tsN58-7C6-23@gated-at.bofh.it> (permalink) |
| References | <tsN57-7C6-7@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
acpi_evaluate_integer() takes a pathname parameter which contains the
name of the entity to evaluate underneath the given handle, so calling
acpi_get_handle() beforehand is redundant. Replace the call to
acpi_get_handle() with a call to acpi_evaluate_integer(), thus
eliminating the need for a local variable storing the handle. Update
debug message to reflect this change. Adjust whitespace to make
checkpatch happy.
Signed-off-by: Michał Kępień <kernel@kempniu.pl>
---
drivers/platform/x86/fujitsu-laptop.c | 15 +++------------
1 file changed, 3 insertions(+), 12 deletions(-)
diff --git a/drivers/platform/x86/fujitsu-laptop.c b/drivers/platform/x86/fujitsu-laptop.c
index ca1491ff659e..8c41968d9e7f 100644
--- a/drivers/platform/x86/fujitsu-laptop.c
+++ b/drivers/platform/x86/fujitsu-laptop.c
@@ -228,20 +228,11 @@ static int call_fext_func(int cmd, int arg0, int arg1, int arg2)
struct acpi_object_list arg_list = { 4, params };
unsigned long long value;
acpi_status status;
- acpi_handle handle;
- status = acpi_get_handle(fujitsu_laptop->acpi_handle, "FUNC", &handle);
+ status = acpi_evaluate_integer(fujitsu_laptop->acpi_handle, "FUNC",
+ &arg_list, &value);
if (ACPI_FAILURE(status)) {
- vdbg_printk(FUJLAPTOP_DBG_ERROR,
- "FUNC interface is not present\n");
- return -ENODEV;
- }
-
- status = acpi_evaluate_integer(handle, NULL, &arg_list, &value);
- if (ACPI_FAILURE(status)) {
- vdbg_printk(FUJLAPTOP_DBG_WARN,
- "FUNC 0x%x (args 0x%x, 0x%x, 0x%x) call failed\n",
- cmd, arg0, arg1, arg2);
+ vdbg_printk(FUJLAPTOP_DBG_ERROR, "Failed to evaluate FUNC\n");
return -ENODEV;
}
--
2.12.2
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[PATCH v2 0/3] fujitsu-laptop: call_fext_func() cleanup Michał Kępień <kernel@kempniu.pl> - 2017-04-05 09:00 +0200
[PATCH v2 2/3] platform/x86: fujitsu-laptop: simplify call_fext_func() Michał Kępień <kernel@kempniu.pl> - 2017-04-05 09:00 +0200
[PATCH v2 3/3] platform/x86: fujitsu-laptop: rename call_fext_func() arguments Michał Kępień <kernel@kempniu.pl> - 2017-04-05 09:00 +0200
Re: [PATCH v2 0/3] fujitsu-laptop: call_fext_func() cleanup Darren Hart <dvhart@infradead.org> - 2017-04-05 17:40 +0200
Re: [PATCH v2 0/3] fujitsu-laptop: call_fext_func() cleanup Michał Kępień <kernel@kempniu.pl> - 2017-04-05 21:50 +0200
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