disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/hwtracing/stm/Kconfig
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@@ -1,3 +1,4 @@
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+# SPDX-License-Identifier: GPL-2.0-only
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 config STM
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 	tristate "System Trace Module devices"
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 	select CONFIGFS_FS
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@@ -10,6 +11,35 @@
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 	  Say Y here to enable System Trace Module device support.
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 if STM
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+
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+config STM_PROTO_BASIC
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+	tristate "Basic STM framing protocol driver"
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+	default CONFIG_STM
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+	help
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+	  This is a simple framing protocol for sending data over STM
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+	  devices. This was the protocol that the STM framework used
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+	  exclusively until the MIPI SyS-T support was added. Use this
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+	  driver for compatibility with your existing STM setup.
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+
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+	  The receiving side only needs to be able to decode the MIPI
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+	  STP protocol in order to extract the data.
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+
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+	  If you want to be able to use the basic protocol or want the
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+	  backwards compatibility for your existing setup, say Y.
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+
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+config STM_PROTO_SYS_T
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+	tristate "MIPI SyS-T STM framing protocol driver"
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+	default CONFIG_STM
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+	help
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+	  This is an implementation of MIPI SyS-T protocol to be used
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+	  over the STP transport. In addition to the data payload, it
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+	  also carries additional metadata for time correlation, better
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+	  means of trace source identification, etc.
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+
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+	  The receiving side must be able to decode this protocol in
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+	  addition to the MIPI STP, in order to extract the data.
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+
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+	  If you don't know what this is, say N.
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 config STM_DUMMY
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 	tristate "Dummy STM driver"
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@@ -41,7 +71,7 @@
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 config STM_SOURCE_FTRACE
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 	tristate "Copy the output from kernel Ftrace to STM engine"
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-	depends on FUNCTION_TRACER
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+	depends on TRACING
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 	help
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 	  This option can be used to copy the output from kernel Ftrace
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 	  to STM engine. Enabling this option will introduce a slight