Merge tag 'char-misc-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc (1785d116) · Commits · EulixOS / Software / Kernel

Documentation/ABI/testing/sysfs-class-mei

+13 −0

Original line number	Original line	Diff line number	Diff line
	@@ -90,3 +90,16 @@ Description: Display trc status register content
	The ME FW writes Glitch Detection HW (TRC)		The ME FW writes Glitch Detection HW (TRC)
	status information into trc status register		status information into trc status register
	for BIOS and OS to monitor fw health.		for BIOS and OS to monitor fw health.

			What: /sys/class/mei/meiN/kind
			Date: Jul 2020
			KernelVersion: 5.8
			Contact: Tomas Winkler <tomas.winkler@intel.com>
			Description: Display kind of the device

			Generic devices are marked as "mei"
			while special purpose have their own
			names.
			Available options:
			- mei: generic mei device.
			- itouch: itouch (ipts) mei device.

Documentation/ABI/testing/sysfs-devices-platform-stratix10-rsu

+36 −0

Original line number	Original line	Diff line number	Diff line
	@@ -126,3 +126,39 @@ Description:
	1 no action		1 no action
	0 firmware record the notify code defined		0 firmware record the notify code defined
	in b[15:0].		in b[15:0].

			What: /sys/devices/platform/stratix10-rsu.0/dcmf0
			Date: June 2020
			KernelVersion: 5.8
			Contact: Richard Gong <richard.gong@linux.intel.com>
			Description:
			(RO) Decision firmware copy 0 version information.

			What: /sys/devices/platform/stratix10-rsu.0/dcmf1
			Date: June 2020
			KernelVersion: 5.8
			Contact: Richard Gong <richard.gong@linux.intel.com>
			Description:
			(RO) Decision firmware copy 1 version information.

			What: /sys/devices/platform/stratix10-rsu.0/dcmf2
			Date: June 2020
			KernelVersion: 5.8
			Contact: Richard Gong <richard.gong@linux.intel.com>
			Description:
			(RO) Decision firmware copy 2 version information.

			What: /sys/devices/platform/stratix10-rsu.0/dcmf3
			Date: June 2020
			KernelVersion: 5.8
			Contact: Richard Gong <richard.gong@linux.intel.com>
			Description:
			(RO) Decision firmware copy 3 version information.

			What: /sys/devices/platform/stratix10-rsu.0/max_retry
			Date: June 2020
			KernelVersion: 5.8
			Contact: Richard Gong <richard.gong@linux.intel.com>
			Description:
			(RO) max retry parameter is stored in the firmware
			decision IO section, as a byte located at offset 0x18c.

Documentation/admin-guide/dynamic-debug-howto.rst

+17 −12

Original line number	Original line	Diff line number	Diff line
	@@ -70,10 +70,10 @@ statements via::

	nullarbor:~ # cat <debugfs>/dynamic_debug/control		nullarbor:~ # cat <debugfs>/dynamic_debug/control
	# filename:lineno [module]function flags format		# filename:lineno [module]function flags format
	/usr/src/packages/BUILD/sgi-enhancednfs-1.4/default/net/sunrpc/svc_rdma.c:323 [svcxprt_rdma]svc_rdma_cleanup =_ "SVCRDMA Module Removed, deregister RPC RDMA transport\012"		net/sunrpc/svc_rdma.c:323 [svcxprt_rdma]svc_rdma_cleanup =_ "SVCRDMA Module Removed, deregister RPC RDMA transport\012"
	/usr/src/packages/BUILD/sgi-enhancednfs-1.4/default/net/sunrpc/svc_rdma.c:341 [svcxprt_rdma]svc_rdma_init =_ "\011max_inline : %d\012"		net/sunrpc/svc_rdma.c:341 [svcxprt_rdma]svc_rdma_init =_ "\011max_inline : %d\012"
	/usr/src/packages/BUILD/sgi-enhancednfs-1.4/default/net/sunrpc/svc_rdma.c:340 [svcxprt_rdma]svc_rdma_init =_ "\011sq_depth : %d\012"		net/sunrpc/svc_rdma.c:340 [svcxprt_rdma]svc_rdma_init =_ "\011sq_depth : %d\012"
	/usr/src/packages/BUILD/sgi-enhancednfs-1.4/default/net/sunrpc/svc_rdma.c:338 [svcxprt_rdma]svc_rdma_init =_ "\011max_requests : %d\012"		net/sunrpc/svc_rdma.c:338 [svcxprt_rdma]svc_rdma_init =_ "\011max_requests : %d\012"
	...		...


	@@ -93,7 +93,7 @@ the debug statement callsites with any non-default flags::

	nullarbor:~ # awk '$3 != "=_"' <debugfs>/dynamic_debug/control		nullarbor:~ # awk '$3 != "=_"' <debugfs>/dynamic_debug/control
	# filename:lineno [module]function flags format		# filename:lineno [module]function flags format
	/usr/src/packages/BUILD/sgi-enhancednfs-1.4/default/net/sunrpc/svcsock.c:1603 [sunrpc]svc_send p "svc_process: st_sendto returned %d\012"		net/sunrpc/svcsock.c:1603 [sunrpc]svc_send p "svc_process: st_sendto returned %d\012"

	Command Language Reference		Command Language Reference
	==========================		==========================
	@@ -156,6 +156,7 @@ against. Possible keywords are:::
	``line-range`` cannot contain space, e.g.		``line-range`` cannot contain space, e.g.
	"1-30" is valid range but "1 - 30" is not.		"1-30" is valid range but "1 - 30" is not.

			``module=foo`` combined keyword=value form is interchangably accepted

	The meanings of each keyword are:		The meanings of each keyword are:

	@@ -164,15 +165,18 @@ func
	of each callsite. Example::		of each callsite. Example::

	func svc_tcp_accept		func svc_tcp_accept
			func recv # in rfcomm, bluetooth, ping, tcp

	file		file
	The given string is compared against either the full pathname, the		The given string is compared against either the src-root relative
	src-root relative pathname, or the basename of the source file of		pathname, or the basename of the source file of each callsite.
	each callsite. Examples::		Examples::

	file svcsock.c		file svcsock.c
	file kernel/freezer.c		file kernel/freezer.c # ie column 1 of control file
	file /usr/src/packages/BUILD/sgi-enhancednfs-1.4/default/net/sunrpc/svcsock.c		file drivers/usb/* # all callsites under it
			file inode.c:start_* # parse :tail as a func (above)
			file inode.c:1-100 # parse :tail as a line-range (above)

	module		module
	The given string is compared against the module name		The given string is compared against the module name
	@@ -182,6 +186,7 @@ module

	module sunrpc		module sunrpc
	module nfsd		module nfsd
			module drm* # both drm, drm_kms_helper

	format		format
	The given string is searched for in the dynamic debug format		The given string is searched for in the dynamic debug format
	@@ -251,8 +256,8 @@ the syntax described above, but must not exceed 1023 characters. Your
	bootloader may impose lower limits.		bootloader may impose lower limits.

	These ``dyndbg`` params are processed just after the ddebug tables are		These ``dyndbg`` params are processed just after the ddebug tables are
	processed, as part of the arch_initcall. Thus you can enable debug		processed, as part of the early_initcall. Thus you can enable debug
	messages in all code run after this arch_initcall via this boot		messages in all code run after this early_initcall via this boot
	parameter.		parameter.

	On an x86 system for example ACPI enablement is a subsys_initcall and::		On an x86 system for example ACPI enablement is a subsys_initcall and::

Documentation/devicetree/bindings/arm/coresight.txt

+13 −0

Original line number	Original line	Diff line number	Diff line
	@@ -108,6 +108,13 @@ its hardware characteristcs.
	* arm,cp14: must be present if the system accesses ETM/PTM management		* arm,cp14: must be present if the system accesses ETM/PTM management
	registers via co-processor 14.		registers via co-processor 14.

			* qcom,skip-power-up: boolean. Indicates that an implementation can
			skip powering up the trace unit. TRCPDCR.PU does not have to be set
			on Qualcomm Technologies Inc. systems since ETMs are in the same power
			domain as their CPU cores. This property is required to identify such
			systems with hardware errata where the CPU watchdog counter is stopped
			when TRCPDCR.PU is set.

	* Optional property for TMC:		* Optional property for TMC:

	* arm,buffer-size: size of contiguous buffer space for TMC ETR		* arm,buffer-size: size of contiguous buffer space for TMC ETR
	@@ -121,6 +128,12 @@ its hardware characteristcs.
	* interrupts : Exactly one SPI may be listed for reporting the address		* interrupts : Exactly one SPI may be listed for reporting the address
	error		error

			* Optional property for configurable replicators:

			* qcom,replicator-loses-context: boolean. Indicates that the replicator
			will lose register context when AMBA clock is removed which is observed
			in some replicator designs.

	Graph bindings for Coresight		Graph bindings for Coresight
	-------------------------------		-------------------------------

Documentation/devicetree/bindings/fpga/xilinx-slave-serial.txt

+12 −4

Original line number	Original line	Diff line number	Diff line
	Xilinx Slave Serial SPI FPGA Manager		Xilinx Slave Serial SPI FPGA Manager

	Xilinx Spartan-6 FPGAs support a method of loading the bitstream over		Xilinx Spartan-6 and 7 Series FPGAs support a method of loading the
	what is referred to as "slave serial" interface.		bitstream over what is referred to as "slave serial" interface.
	The slave serial link is not technically SPI, and might require extra		The slave serial link is not technically SPI, and might require extra
	circuits in order to play nicely with other SPI slaves on the same bus.		circuits in order to play nicely with other SPI slaves on the same bus.

	See https://www.xilinx.com/support/documentation/user_guides/ug380.pdf		See:
			- https://www.xilinx.com/support/documentation/user_guides/ug380.pdf
			- https://www.xilinx.com/support/documentation/user_guides/ug470_7Series_Config.pdf
			- https://www.xilinx.com/support/documentation/application_notes/xapp583-fpga-configuration.pdf

	Required properties:		Required properties:
	- compatible: should contain "xlnx,fpga-slave-serial"		- compatible: should contain "xlnx,fpga-slave-serial"
	@@ -13,6 +16,10 @@ Required properties:
	- prog_b-gpios: config pin (referred to as PROGRAM_B in the manual)		- prog_b-gpios: config pin (referred to as PROGRAM_B in the manual)
	- done-gpios: config status pin (referred to as DONE in the manual)		- done-gpios: config status pin (referred to as DONE in the manual)

			Optional properties:
			- init-b-gpios: initialization status and configuration error pin
			(referred to as INIT_B in the manual)

	Example for full FPGA configuration:		Example for full FPGA configuration:

	fpga-region0 {		fpga-region0 {
	@@ -37,7 +44,8 @@ Example for full FPGA configuration:
	spi-max-frequency = <60000000>;		spi-max-frequency = <60000000>;
	spi-cpha;		spi-cpha;
	reg = <0>;		reg = <0>;
	done-gpios = <&gpio0 9 GPIO_ACTIVE_HIGH>;
	prog_b-gpios = <&gpio0 29 GPIO_ACTIVE_LOW>;		prog_b-gpios = <&gpio0 29 GPIO_ACTIVE_LOW>;
			init-b-gpios = <&gpio0 28 GPIO_ACTIVE_LOW>;
			done-gpios = <&gpio0 9 GPIO_ACTIVE_HIGH>;
	};		};
	};		};