From: Mathieu Poirier <mathieu.poirier@linaro.org>
To: gregkh@linuxfoundation.org
Cc: saiprakash.ranjan@codeaurora.org, suzuki.poulose@arm.com,
vulab@iscas.ac.cn, tingwei@codeaurora.org,
andriy.shevchenko@linux.intel.com,
linux-arm-kernel@lists.infradead.org, mike.leach@linaro.org
Subject: [PATCH 08/17] coresight: Drop double check for ACPI companion device
Date: Thu, 16 Jul 2020 11:57:37 -0600 [thread overview]
Message-ID: <20200716175746.3338735-9-mathieu.poirier@linaro.org> (raw)
In-Reply-To: <20200716175746.3338735-1-mathieu.poirier@linaro.org>
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
acpi_dev_get_resources() does perform the NULL pointer check against
ACPI companion device which is given as function parameter. Thus,
there is no need to duplicate this check in the caller.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
---
drivers/hwtracing/coresight/coresight-stm.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/hwtracing/coresight/coresight-stm.c b/drivers/hwtracing/coresight/coresight-stm.c
index b908ca104645..673d2f56ed1e 100644
--- a/drivers/hwtracing/coresight/coresight-stm.c
+++ b/drivers/hwtracing/coresight/coresight-stm.c
@@ -727,8 +727,6 @@ static int acpi_stm_get_stimulus_area(struct device *dev, struct resource *res)
struct acpi_device *adev = ACPI_COMPANION(dev);
- if (!adev)
- return -ENODEV;
rc = acpi_dev_get_resources(adev, &res_list, NULL, NULL);
if (rc < 0)
return rc;
--
2.25.1
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next prev parent reply other threads:[~2020-07-16 18:01 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-16 17:57 [PATCH 00/17] coresight: next v5.8-rc5 Mathieu Poirier
2020-07-16 17:57 ` [PATCH 01/17] coresight: replicator: Use CS_AMBA_ID macro for id table Mathieu Poirier
2020-07-16 17:57 ` [PATCH 02/17] coresight: catu: " Mathieu Poirier
2020-07-16 17:57 ` [PATCH 03/17] coresight: etm4x: Add support to skip trace unit power up Mathieu Poirier
2020-07-16 17:57 ` [PATCH 04/17] dt-bindings: arm: coresight: " Mathieu Poirier
2020-07-16 17:57 ` [PATCH 05/17] coresight: replicator: Reset replicator if context is lost Mathieu Poirier
2020-07-16 17:57 ` [PATCH 06/17] dt-bindings: arm: coresight: Add optional property to replicators Mathieu Poirier
2020-07-16 17:57 ` [PATCH 07/17] coresight: Use devm_kcalloc() in coresight_alloc_conns() Mathieu Poirier
2020-07-16 17:57 ` Mathieu Poirier [this message]
2020-07-16 17:57 ` [PATCH 09/17] coresight: etmv4: Fix resource selector constant Mathieu Poirier
2020-07-16 17:57 ` [PATCH 10/17] coresight: etmv4: Counter values not saved on disable Mathieu Poirier
2020-07-16 17:57 ` [PATCH 11/17] coresight: Fix comment in main header file Mathieu Poirier
2020-07-16 17:57 ` [PATCH 12/17] coresight: tmc: Add shutdown callback for TMC ETR Mathieu Poirier
2020-07-16 17:57 ` [PATCH 13/17] coresight: tmc: Fix TMC mode read in tmc_read_unprepare_etb() Mathieu Poirier
2020-07-16 17:57 ` [PATCH 14/17] coresight: Add default sink selection to CoreSight base Mathieu Poirier
2020-07-16 17:57 ` [PATCH 15/17] coresight: tmc: Update sink types for default selection Mathieu Poirier
2020-07-16 17:57 ` [PATCH 16/17] coresight: etm: perf: Add default sink selection to etm perf Mathieu Poirier
2020-07-16 17:57 ` [PATCH 17/17] coresight: etm4x: Fix save/restore during cpu idle Mathieu Poirier
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