From: Kelsey Skunberg <skunberg.kelsey@gmail.com>
To: rjw@rjwysocki.net, lenb@kernel.org, linux-acpi@vger.kernel.org,
linux-kernel@vger.kernel.org
Cc: skhan@linuxfoundation.org,
linux-kernel-mentees@lists.linuxfoundation.org,
bjorn@helgaas.com, skunberg.kelsey@gmail.com
Subject: [PATCH 1/3] ACPI: Remove acpi_has_method() call from acpi_adxl.c
Date: Sun, 21 Jul 2019 20:35:28 -0600 [thread overview]
Message-ID: <20190722023530.67676-2-skunberg.kelsey@gmail.com> (raw)
In-Reply-To: <20190722023530.67676-1-skunberg.kelsey@gmail.com>
acpi_check_dsm() will already return an error if the DSM method does not
exist. Checking if the DSM method exists before the acpi_check_dsm() call
is not needed. Remove acpi_has_method() call to avoid additional work.
Signed-off-by: Kelsey Skunberg <skunberg.kelsey@gmail.com>
---
drivers/acpi/acpi_adxl.c | 5 -----
1 file changed, 5 deletions(-)
diff --git a/drivers/acpi/acpi_adxl.c b/drivers/acpi/acpi_adxl.c
index 13c8f7b50c46..89aac15663fd 100644
--- a/drivers/acpi/acpi_adxl.c
+++ b/drivers/acpi/acpi_adxl.c
@@ -148,11 +148,6 @@ static int __init adxl_init(void)
return -ENODEV;
}
- if (!acpi_has_method(handle, "_DSM")) {
- pr_info("No DSM method\n");
- return -ENODEV;
- }
-
if (!acpi_check_dsm(handle, &adxl_guid, ADXL_REVISION,
ADXL_IDX_GET_ADDR_PARAMS |
ADXL_IDX_FORWARD_TRANSLATE)) {
--
2.20.1
next prev parent reply other threads:[~2019-07-22 2:36 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-22 2:35 [PATCH 0/3] ACPI: Remove unnecessary acpi_has_method() calls Kelsey Skunberg
2019-07-22 2:35 ` Kelsey Skunberg [this message]
2019-07-22 8:31 ` [PATCH 1/3] ACPI: Remove acpi_has_method() call from acpi_adxl.c Rafael J. Wysocki
2019-07-22 18:29 ` Bjorn Helgaas
2019-09-02 21:08 ` Rafael J. Wysocki
2019-09-05 4:11 ` Kelsey Skunberg
2019-07-22 2:35 ` [PATCH 2/3] ACPI: Remove acpi_has_method() call from scan.c Kelsey Skunberg
2019-07-22 8:29 ` Rafael J. Wysocki
2019-07-22 2:35 ` [PATCH 3/3] ACPI: Remove acpi_has_method() calls from thermal.c Kelsey Skunberg
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