From: Suzuki K Poulose <suzuki.poulose@arm.com> To: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org, mike.leach@linaro.org, mathieu.poirier@linaro.org, coresight@lists.linaro.org, Suzuki K Poulose <suzuki.poulose@arm.com> Subject: [RFC PATCH 13/14] coresight: etm4x: Add support for sysreg only devices Date: Wed, 22 Jul 2020 18:20:39 +0100 [thread overview] Message-ID: <20200722172040.1299289-14-suzuki.poulose@arm.com> (raw) In-Reply-To: <20200722172040.1299289-1-suzuki.poulose@arm.com> Add support for etms without memory mapped access. Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Cc: Mike Leach <mike.leach@linaro.org> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> --- drivers/hwtracing/coresight/coresight-etm4x.c | 21 +++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/drivers/hwtracing/coresight/coresight-etm4x.c b/drivers/hwtracing/coresight/coresight-etm4x.c index e91af23ac419..88ec89629507 100644 --- a/drivers/hwtracing/coresight/coresight-etm4x.c +++ b/drivers/hwtracing/coresight/coresight-etm4x.c @@ -27,6 +27,7 @@ #include <linux/seq_file.h> #include <linux/uaccess.h> #include <linux/perf_event.h> +#include <linux/platform_device.h> #include <linux/pm_runtime.h> #include <linux/property.h> #include <asm/sections.h> @@ -1687,6 +1688,11 @@ static int etm4_probe_amba(struct amba_device *adev, const struct amba_id *id) return ret; } +static int etm4_4_probe(struct platform_device *pdev) +{ + return etm4_probe_common(&pdev->dev, NULL); +} + static struct amba_cs_uci_id uci_id_etm4[] = { { /* ETMv4 UCI data */ @@ -1722,3 +1728,18 @@ static struct amba_driver etm4x_driver = { .id_table = etm4_ids, }; builtin_amba_driver(etm4x_driver); + +static const struct of_device_id etm4_4_match[] = { + { .compatible = "arm,coresight-etm-v4.4" }, + {} +}; + +static struct platform_driver etm4_4_driver = { + .probe = etm4_4_probe, + .driver = { + .name = "coresight-etm4x", + .of_match_table = etm4_4_match, + .suppress_bind_attrs = true, + }, +}; +builtin_platform_driver(etm4_4_driver); -- 2.24.1
WARNING: multiple messages have this Message-ID (diff)
From: Suzuki K Poulose <suzuki.poulose@arm.com> To: linux-arm-kernel@lists.infradead.org Cc: coresight@lists.linaro.org, Suzuki K Poulose <suzuki.poulose@arm.com>, linux-kernel@vger.kernel.org, mathieu.poirier@linaro.org, mike.leach@linaro.org Subject: [RFC PATCH 13/14] coresight: etm4x: Add support for sysreg only devices Date: Wed, 22 Jul 2020 18:20:39 +0100 [thread overview] Message-ID: <20200722172040.1299289-14-suzuki.poulose@arm.com> (raw) In-Reply-To: <20200722172040.1299289-1-suzuki.poulose@arm.com> Add support for etms without memory mapped access. Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Cc: Mike Leach <mike.leach@linaro.org> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> --- drivers/hwtracing/coresight/coresight-etm4x.c | 21 +++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/drivers/hwtracing/coresight/coresight-etm4x.c b/drivers/hwtracing/coresight/coresight-etm4x.c index e91af23ac419..88ec89629507 100644 --- a/drivers/hwtracing/coresight/coresight-etm4x.c +++ b/drivers/hwtracing/coresight/coresight-etm4x.c @@ -27,6 +27,7 @@ #include <linux/seq_file.h> #include <linux/uaccess.h> #include <linux/perf_event.h> +#include <linux/platform_device.h> #include <linux/pm_runtime.h> #include <linux/property.h> #include <asm/sections.h> @@ -1687,6 +1688,11 @@ static int etm4_probe_amba(struct amba_device *adev, const struct amba_id *id) return ret; } +static int etm4_4_probe(struct platform_device *pdev) +{ + return etm4_probe_common(&pdev->dev, NULL); +} + static struct amba_cs_uci_id uci_id_etm4[] = { { /* ETMv4 UCI data */ @@ -1722,3 +1728,18 @@ static struct amba_driver etm4x_driver = { .id_table = etm4_ids, }; builtin_amba_driver(etm4x_driver); + +static const struct of_device_id etm4_4_match[] = { + { .compatible = "arm,coresight-etm-v4.4" }, + {} +}; + +static struct platform_driver etm4_4_driver = { + .probe = etm4_4_probe, + .driver = { + .name = "coresight-etm4x", + .of_match_table = etm4_4_match, + .suppress_bind_attrs = true, + }, +}; +builtin_platform_driver(etm4_4_driver); -- 2.24.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2020-07-22 17:21 UTC|newest] Thread overview: 75+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-07-22 17:20 [RFC PATCH 00/14] coresight: Support for ETMv4.4 system instructions Suzuki K Poulose 2020-07-22 17:20 ` Suzuki K Poulose 2020-07-22 17:20 ` [RFC PATCH 01/14] coresight: etm4x: Skip save/restore before device registration Suzuki K Poulose 2020-07-22 17:20 ` Suzuki K Poulose 2020-07-29 18:01 ` Mathieu Poirier 2020-07-29 18:01 ` Mathieu Poirier 2020-07-30 14:45 ` Suzuki K Poulose 2020-07-30 14:45 ` Suzuki K Poulose 2020-07-22 17:20 ` [RFC PATCH 02/14] coresight: Introduce device access abstraction Suzuki K Poulose 2020-07-22 17:20 ` Suzuki K Poulose 2020-07-24 4:40 ` kernel test robot 2020-07-29 19:56 ` Mathieu Poirier 2020-07-29 19:56 ` Mathieu Poirier 2020-07-30 14:58 ` Suzuki K Poulose 2020-07-30 14:58 ` Suzuki K Poulose 2020-07-29 20:56 ` kernel test robot 2020-07-22 17:20 ` [RFC PATCH 03/14] coresight: tpiu: Use coresight " Suzuki K Poulose 2020-07-22 17:20 ` Suzuki K Poulose 2020-07-29 21:01 ` Mathieu Poirier 2020-07-29 21:01 ` Mathieu Poirier 2020-07-31 11:36 ` Suzuki K Poulose 2020-07-31 11:36 ` Suzuki K Poulose 2020-07-22 17:20 ` [RFC PATCH 04/14] coresight: etm4x: Free up argument of etm4_init_arch_data Suzuki K Poulose 2020-07-22 17:20 ` Suzuki K Poulose 2020-07-30 17:31 ` Mathieu Poirier 2020-07-30 17:31 ` Mathieu Poirier 2020-07-31 9:39 ` Suzuki K Poulose 2020-07-31 9:39 ` Suzuki K Poulose 2020-07-22 17:20 ` [RFC PATCH 05/14] coresight: Convert coresight_timeout to use access abstraction Suzuki K Poulose 2020-07-22 17:20 ` Suzuki K Poulose 2020-07-30 18:00 ` Mathieu Poirier 2020-07-30 18:00 ` Mathieu Poirier 2020-07-22 17:20 ` [RFC PATCH 06/14] coresight: Convert claim and lock operations to use access wrappers Suzuki K Poulose 2020-07-22 17:20 ` Suzuki K Poulose 2020-07-27 6:04 ` kernel test robot 2020-07-27 17:56 ` kernel test robot 2020-07-28 9:47 ` Suzuki K Poulose 2020-07-30 19:54 ` Mathieu Poirier 2020-07-30 19:54 ` Mathieu Poirier 2020-07-31 9:46 ` Suzuki K Poulose 2020-07-31 9:46 ` Suzuki K Poulose 2020-07-22 17:20 ` [RFC PATCH 07/14] coresight: etm4x: Always read the registers on the host CPU Suzuki K Poulose 2020-07-22 17:20 ` Suzuki K Poulose 2020-07-30 19:56 ` Mathieu Poirier 2020-07-30 19:56 ` Mathieu Poirier 2020-07-22 17:20 ` [RFC PATCH 08/14] coresight: etm4x: Convert all register accesses Suzuki K Poulose 2020-07-22 17:20 ` Suzuki K Poulose 2020-07-30 20:20 ` Mathieu Poirier 2020-07-30 20:20 ` Mathieu Poirier 2020-07-31 9:49 ` Suzuki K Poulose 2020-07-31 9:49 ` Suzuki K Poulose 2020-07-22 17:20 ` [RFC PATCH 09/14] coresight: etm4x: Add sysreg access helpers Suzuki K Poulose 2020-07-22 17:20 ` Suzuki K Poulose 2020-07-30 21:41 ` Mathieu Poirier 2020-07-30 21:41 ` Mathieu Poirier 2020-07-31 9:51 ` Suzuki K Poulose 2020-07-31 9:51 ` Suzuki K Poulose 2020-07-22 17:20 ` [RFC PATCH 10/14] coresight: etm4x: Define DEVARCH register fields Suzuki K Poulose 2020-07-22 17:20 ` Suzuki K Poulose 2020-07-22 17:20 ` [RFC PATCH 11/14] coresight: etm4x: Detect system register access support Suzuki K Poulose 2020-07-22 17:20 ` Suzuki K Poulose 2020-07-22 17:20 ` [RFC PATCH 12/14] coresight: etm4x: Refactor probing routine Suzuki K Poulose 2020-07-22 17:20 ` Suzuki K Poulose 2020-07-22 17:20 ` Suzuki K Poulose [this message] 2020-07-22 17:20 ` [RFC PATCH 13/14] coresight: etm4x: Add support for sysreg only devices Suzuki K Poulose 2020-07-22 17:20 ` [RFC PATCH 14/14] dts: bindings: coresight: ETMv4.4 system register access only units Suzuki K Poulose 2020-07-22 17:20 ` Suzuki K Poulose 2020-07-23 17:27 ` Rob Herring 2020-07-23 17:27 ` Rob Herring 2020-07-29 17:20 ` Mathieu Poirier 2020-07-29 17:20 ` Mathieu Poirier 2020-07-30 16:38 ` Suzuki K Poulose 2020-07-30 16:38 ` Suzuki K Poulose 2020-08-10 20:14 ` Mathieu Poirier 2020-08-10 20:14 ` Mathieu Poirier
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