diff mbox series

coresight: acpi: Static funnel support

Message ID 20190726160839.12478-1-suzuki.poulose@arm.com
State Accepted
Commit 6c87bedc9e9c922093bec602687d991669eccc64
Headers show
Series coresight: acpi: Static funnel support | expand

Commit Message

Suzuki K Poulose July 26, 2019, 4:08 p.m. UTC
The ACPI bindings for CoreSight has been updated to add the device
id for non-programmable CoreSight funnels (aka static funnels) as of
v1.1 [0]. Add the ACPI id for static funnels in the driver.

[0] https://static.docs.arm.com/den0067/a/DEN0067_CoreSight_ACPI_1.1.pdf

Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>

---
 drivers/hwtracing/coresight/coresight-funnel.c | 9 +++++++++
 1 file changed, 9 insertions(+)

-- 
2.21.0

Comments

Mathieu Poirier July 30, 2019, 5:40 p.m. UTC | #1
On Fri, 26 Jul 2019 at 10:08, Suzuki K Poulose <suzuki.poulose@arm.com> wrote:
>

> The ACPI bindings for CoreSight has been updated to add the device

> id for non-programmable CoreSight funnels (aka static funnels) as of

> v1.1 [0]. Add the ACPI id for static funnels in the driver.

>

> [0] https://static.docs.arm.com/den0067/a/DEN0067_CoreSight_ACPI_1.1.pdf

>

> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>

> ---

>  drivers/hwtracing/coresight/coresight-funnel.c | 9 +++++++++

>  1 file changed, 9 insertions(+)

>

> diff --git a/drivers/hwtracing/coresight/coresight-funnel.c b/drivers/hwtracing/coresight/coresight-funnel.c

> index fa97cb9ab4f9..0c99848a5d69 100644

> --- a/drivers/hwtracing/coresight/coresight-funnel.c

> +++ b/drivers/hwtracing/coresight/coresight-funnel.c

> @@ -5,6 +5,7 @@

>   * Description: CoreSight Funnel driver

>   */

>

> +#include <linux/acpi.h>

>  #include <linux/kernel.h>

>  #include <linux/init.h>

>  #include <linux/types.h>

> @@ -302,11 +303,19 @@ static const struct of_device_id static_funnel_match[] = {

>         {}

>  };

>

> +#ifdef CONFIG_ACPI

> +static const struct acpi_device_id static_funnel_ids[] = {

> +       {"ARMHC9FE", 0},

> +       {},

> +};

> +#endif

> +

>  static struct platform_driver static_funnel_driver = {

>         .probe          = static_funnel_probe,

>         .driver         = {

>                 .name   = "coresight-static-funnel",

>                 .of_match_table = static_funnel_match,

> +               .acpi_match_table = ACPI_PTR(static_funnel_ids),

>                 .pm     = &funnel_dev_pm_ops,

>                 .suppress_bind_attrs = true,

>         },


I haved also applied this patch.

Mathieu

> --

> 2.21.0

>
diff mbox series

Patch

diff --git a/drivers/hwtracing/coresight/coresight-funnel.c b/drivers/hwtracing/coresight/coresight-funnel.c
index fa97cb9ab4f9..0c99848a5d69 100644
--- a/drivers/hwtracing/coresight/coresight-funnel.c
+++ b/drivers/hwtracing/coresight/coresight-funnel.c
@@ -5,6 +5,7 @@ 
  * Description: CoreSight Funnel driver
  */
 
+#include <linux/acpi.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/types.h>
@@ -302,11 +303,19 @@  static const struct of_device_id static_funnel_match[] = {
 	{}
 };
 
+#ifdef CONFIG_ACPI
+static const struct acpi_device_id static_funnel_ids[] = {
+	{"ARMHC9FE", 0},
+	{},
+};
+#endif
+
 static struct platform_driver static_funnel_driver = {
 	.probe          = static_funnel_probe,
 	.driver         = {
 		.name   = "coresight-static-funnel",
 		.of_match_table = static_funnel_match,
+		.acpi_match_table = ACPI_PTR(static_funnel_ids),
 		.pm	= &funnel_dev_pm_ops,
 		.suppress_bind_attrs = true,
 	},