From: Tingwei Zhang <tingwei@codeaurora.org>
To: Mathieu Poirier <mathieu.poirier@linaro.org>,
Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: tsoni@codeaurora.org,
Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>,
Kim Phillips <kim.phillips@arm.com>,
Mao Jinlong <jinlmao@codeaurora.org>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
coresight@lists.linaro.org, Randy Dunlap <rdunlap@infradead.org>,
Mian Yousaf Kaukab <ykaukab@suse.de>,
Russell King <linux@armlinux.org.uk>,
Tingwei Zhang <tingwei@codeaurora.org>,
Leo Yan <leo.yan@linaro.org>,
linux-arm-kernel@lists.infradead.org
Subject: [PATCH v1 18/21] coresight: allow catu drivers to be built as modules
Date: Wed, 1 Jul 2020 15:14:24 +0800 [thread overview]
Message-ID: <20200701071427.10477-19-tingwei@codeaurora.org> (raw)
In-Reply-To: <20200701071427.10477-1-tingwei@codeaurora.org>
Allow to build coresight-catu as modules, for ease of development.
- Kconfig becomes a tristate, to allow =m
- add catu_remove functions, for module unload
- add a MODULE_DEVICE_TABLE for autoloading on boot
Signed-off-by: Tingwei Zhang <tingwei@codeaurora.org>
---
drivers/hwtracing/coresight/Kconfig | 5 ++++-
drivers/hwtracing/coresight/coresight-catu.c | 15 +++++++++++++++
2 files changed, 19 insertions(+), 1 deletion(-)
diff --git a/drivers/hwtracing/coresight/Kconfig b/drivers/hwtracing/coresight/Kconfig
index b04aae2ceecc..dfe407cde262 100644
--- a/drivers/hwtracing/coresight/Kconfig
+++ b/drivers/hwtracing/coresight/Kconfig
@@ -42,7 +42,7 @@ config CORESIGHT_LINK_AND_SINK_TMC
module will be called coresight-tmc.
config CORESIGHT_CATU
- bool "Coresight Address Translation Unit (CATU) driver"
+ tristate "Coresight Address Translation Unit (CATU) driver"
depends on CORESIGHT_LINK_AND_SINK_TMC
help
Enable support for the Coresight Address Translation Unit (CATU).
@@ -52,6 +52,9 @@ config CORESIGHT_CATU
by looking up the provided table. CATU can also be used in pass-through
mode where the address is not translated.
+ To compile this driver as a module, choose M here: the
+ module will be called coresight-catu.
+
config CORESIGHT_SINK_TPIU
tristate "Coresight generic TPIU driver"
depends on CORESIGHT_LINKS_AND_SINKS
diff --git a/drivers/hwtracing/coresight/coresight-catu.c b/drivers/hwtracing/coresight/coresight-catu.c
index 9d51df7d08f9..c0cbe1f79c38 100644
--- a/drivers/hwtracing/coresight/coresight-catu.c
+++ b/drivers/hwtracing/coresight/coresight-catu.c
@@ -567,6 +567,14 @@ static int catu_probe(struct amba_device *adev, const struct amba_id *id)
return ret;
}
+static int __exit catu_remove(struct amba_device *adev)
+{
+ struct catu_drvdata *drvdata = dev_get_drvdata(&adev->dev);
+
+ coresight_unregister(drvdata->csdev);
+ return 0;
+}
+
static struct amba_id catu_ids[] = {
{
.id = 0x000bb9ee,
@@ -575,6 +583,8 @@ static struct amba_id catu_ids[] = {
{},
};
+MODULE_DEVICE_TABLE(amba, catu_ids);
+
static struct amba_driver catu_driver = {
.drv = {
.name = "coresight-catu",
@@ -582,6 +592,7 @@ static struct amba_driver catu_driver = {
.suppress_bind_attrs = true,
},
.probe = catu_probe,
+ .remove = catu_remove,
.id_table = catu_ids,
};
@@ -604,3 +615,7 @@ static void __exit catu_exit(void)
module_init(catu_init);
module_exit(catu_exit);
+
+MODULE_AUTHOR("Suzuki K Poulose <suzuki.poulose@arm.com>");
+MODULE_DESCRIPTION("Arm CoreSight Replicator Driver");
+MODULE_LICENSE("GPL v2");
--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project
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next prev parent reply other threads:[~2020-07-01 7:19 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-01 7:14 [PATCH v1 00/21] coresight: allow to build coresight as modules Tingwei Zhang
2020-07-01 7:14 ` [PATCH v1 01/21] coresight: cpu_debug: add module name in Kconfig Tingwei Zhang
2020-07-01 7:14 ` [PATCH v1 02/21] coresight: cpu_debug: define MODULE_DEVICE_TABLE Tingwei Zhang
2020-07-01 7:14 ` [PATCH v1 03/21] coresight: use IS_ENABLED for CONFIGs that may be modules Tingwei Zhang
2020-07-01 7:14 ` [PATCH v1 04/21] coresight: add coresight prefix to barrier_pkt Tingwei Zhang
2020-07-01 7:14 ` [PATCH v1 05/21] coresight: export global symbols Tingwei Zhang
2020-07-01 7:14 ` [PATCH v1 06/21] Allow to build coresight-stm as a module, for ease of development Tingwei Zhang
2020-07-01 7:14 ` [PATCH v1 07/21] coresight: allow etm3x to be built as a module Tingwei Zhang
2020-07-01 7:14 ` [PATCH v1 08/21] coresight: allow etm4x " Tingwei Zhang
2020-07-01 7:14 ` [PATCH v1 09/21] coresight: allow etb " Tingwei Zhang
2020-07-01 7:14 ` [PATCH v1 10/21] coresight: allow tpiu " Tingwei Zhang
2020-07-01 7:14 ` [PATCH v1 11/21] coresight: allow tmc " Tingwei Zhang
2020-07-01 7:14 ` [PATCH v1 12/21] coresight: remove multiple init calls from funnel driver Tingwei Zhang
2020-07-01 7:14 ` [PATCH v1 13/21] coresight: remove multiple init calls from replicator driver Tingwei Zhang
2020-07-01 7:14 ` [PATCH v1 14/21] coresight: allow funnel and replicator drivers to be built as modules Tingwei Zhang
2020-07-01 7:14 ` [PATCH v1 15/21] coresight: cti: add function to register cti associate ops Tingwei Zhang
2020-07-01 7:14 ` [PATCH v1 16/21] coresight: allow cti to be built as a module Tingwei Zhang
2020-07-01 7:14 ` [PATCH v1 17/21] coresight: tmc-etr: add function to register catu ops Tingwei Zhang
2020-07-01 7:14 ` Tingwei Zhang [this message]
2020-07-01 7:14 ` [PATCH v1 19/21] coresight: disable trace path with device being removed Tingwei Zhang
2020-07-13 22:11 ` Mathieu Poirier
2020-07-14 1:10 ` tingwei
2020-07-01 7:14 ` [PATCH v1 20/21] coresight: allow the coresight core driver to be built as a module Tingwei Zhang
2020-07-01 7:14 ` [PATCH v1 21/21] coresight: perf: clean up perf event on device unregister path Tingwei Zhang
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