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Commit 6c87bedc authored by Suzuki K Poulose's avatar Suzuki K Poulose Committed by Greg Kroah-Hartman
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coresight: acpi: Static funnel support 

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: default avatarSuzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: default avatarMathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20190829202842.580-9-mathieu.poirier@linaro.org


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 82451bbd

drivers/hwtracing/coresight/coresight-funnel.c

+9 −0
Original line number Diff line number Diff line
@@ -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,

	},