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| author | Suzuki K Poulose <suzuki.poulose@arm.com> | 2019-08-29 14:28:33 -0600 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-09-03 22:01:16 +0200 |
| commit | 6c87bedc9e9c922093bec602687d991669eccc64 (patch) | |
| tree | 54fbd61c53990147722be2e4021a446e8d8e3c51 /drivers/hwtracing | |
| parent | 82451bbd540f5254b1f5b655d2183469f2b0a7a7 (diff) | |
| download | linux-next-6c87bedc9e9c922093bec602687d991669eccc64.tar.gz | |
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: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20190829202842.580-9-mathieu.poirier@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hwtracing')
| -rw-r--r-- | drivers/hwtracing/coresight/coresight-funnel.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/hwtracing/coresight/coresight-funnel.c b/drivers/hwtracing/coresight/coresight-funnel.c index 84ca30f4e5ec..05f7896c3a01 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, }, |