[PATCH] coresight: tmc-etr: Don't fail probe when non-secure access is disabled
From: Yabin Cui <hidden>
Date: 2023-08-25 23:41:01
Also in:
lkml
Subsystem:
arm/coresight framework and drivers, hardware tracing facilities, the rest · Maintainers:
Suzuki K Poulose, Alexander Shishkin, Linus Torvalds
Because the non-secure access can be enabled later on some devices. Signed-off-by: Yabin Cui <redacted> --- 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
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