From: Yabin Cui <yabinc@google.com>
To: Suzuki K Poulose <suzuki.poulose@arm.com>,
Mike Leach <mike.leach@linaro.org>,
James Clark <james.clark@arm.com>, Leo Yan <leo.yan@linaro.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>,
coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, Yabin Cui <yabinc@google.com>
Subject: [PATCH] coresight: tmc-etr: Don't fail probe when non-secure access is disabled
Date: Fri, 25 Aug 2023 16:39:30 -0700 [thread overview]
Message-ID: <20230825233930.1875819-1-yabinc@google.com> (raw)
Because the non-secure access can be enabled later on some devices.
Signed-off-by: Yabin Cui <yabinc@google.com>
---
drivers/hwtracing/coresight/coresight-tmc-core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/hwtracing/coresight/coresight-tmc-core.c b/drivers/hwtracing/coresight/coresight-tmc-core.c
index c106d142e632..5ebfd12b627b 100644
--- a/drivers/hwtracing/coresight/coresight-tmc-core.c
+++ b/drivers/hwtracing/coresight/coresight-tmc-core.c
@@ -370,7 +370,7 @@ static int tmc_etr_setup_caps(struct device *parent, u32 devid, void *dev_caps)
struct tmc_drvdata *drvdata = dev_get_drvdata(parent);
if (!tmc_etr_has_non_secure_access(drvdata))
- return -EACCES;
+ dev_warn(parent, "TMC ETR doesn't have non-secure access\n");
/* Set the unadvertised capabilities */
tmc_etr_init_caps(drvdata, (u32)(unsigned long)dev_caps);
--
2.42.0.rc1.204.g551eb34607-goog
next reply other threads:[~2023-08-25 23:41 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-25 23:39 Yabin Cui [this message]
2023-08-27 21:37 ` Suzuki K Poulose
2023-08-29 21:16 ` Yabin Cui
2023-08-30 8:52 ` Suzuki K Poulose
2023-08-30 17:49 ` Yabin Cui
2023-08-31 10:05 ` Robin Murphy
2023-08-31 21:36 ` Yabin Cui
2023-09-01 11:13 ` Robin Murphy
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