Loading Documentation/ABI/testing/sysfs-class-gnss 0 → 100644 +15 −0 Original line number Diff line number Diff line What: /sys/class/gnss/gnssN/type Date: May 2018 KernelVersion: 4.18 Contact: Johan Hovold <johan@kernel.org> Description: The GNSS receiver type. The currently identified types reflect the protocol(s) supported by the receiver: "NMEA" NMEA 0183 "SiRF" SiRF Binary "UBX" UBX Note that also non-"NMEA" type receivers typically support a subset of NMEA 0183 with vendor extensions (e.g. to allow switching to a vendor protocol). Documentation/ABI/testing/sysfs-fs-f2fs +6 −0 Original line number Diff line number Diff line Loading @@ -31,6 +31,12 @@ Contact: "Jaegeuk Kim" <jaegeuk.kim@samsung.com> Description: Controls the issue rate of segment discard commands. What: /sys/fs/f2fs/<disk>/max_blkaddr Date: November 2019 Contact: "Ramon Pantin" <pantin@google.com> Description: Shows first block address of MAIN area. What: /sys/fs/f2fs/<disk>/ipu_policy Date: November 2013 Contact: "Jaegeuk Kim" <jaegeuk.kim@samsung.com> Loading Documentation/ABI/testing/sysfs-kernel-ion 0 → 100644 +27 −0 Original line number Diff line number Diff line What: /sys/kernel/ion Date: Dec 2019 KernelVersion: 4.14.158 Contact: Suren Baghdasaryan <surenb@google.com>, Sandeep Patil <sspatil@google.com> Description: The /sys/kernel/ion directory contains a snapshot of the internal state of ION memory heaps and pools. Users: kernel memory tuning tools What: /sys/kernel/ion/total_heaps_kb Date: Dec 2019 KernelVersion: 4.14.158 Contact: Suren Baghdasaryan <surenb@google.com>, Sandeep Patil <sspatil@google.com> Description: The total_heaps_kb file is read-only and specifies how much memory in Kb is allocated to ION heaps. What: /sys/kernel/ion/total_pools_kb Date: Dec 2019 KernelVersion: 4.14.158 Contact: Suren Baghdasaryan <surenb@google.com>, Sandeep Patil <sspatil@google.com> Description: The total_pools_kb file is read-only and specifies how much memory in Kb is allocated to ION pools. Documentation/admin-guide/kernel-parameters.txt +12 −10 Original line number Diff line number Diff line Loading @@ -4730,13 +4730,13 @@ Flags is a set of characters, each corresponding to a common usb-storage quirk flag as follows: a = SANE_SENSE (collect more than 18 bytes of sense data); of sense data, not on uas); b = BAD_SENSE (don't collect more than 18 bytes of sense data); bytes of sense data, not on uas); c = FIX_CAPACITY (decrease the reported device capacity by one sector); d = NO_READ_DISC_INFO (don't use READ_DISC_INFO command); READ_DISC_INFO command, not on uas); e = NO_READ_CAPACITY_16 (don't use READ_CAPACITY_16 command); f = NO_REPORT_OPCODES (don't use report opcodes Loading @@ -4751,17 +4751,18 @@ j = NO_REPORT_LUNS (don't use report luns command, uas only); l = NOT_LOCKABLE (don't try to lock and unlock ejectable media); unlock ejectable media, not on uas); m = MAX_SECTORS_64 (don't transfer more than 64 sectors = 32 KB at a time); than 64 sectors = 32 KB at a time, not on uas); n = INITIAL_READ10 (force a retry of the initial READ(10) command); initial READ(10) command, not on uas); o = CAPACITY_OK (accept the capacity reported by the device); reported by the device, not on uas); p = WRITE_CACHE (the device cache is ON by default); by default, not on uas); r = IGNORE_RESIDUE (the device reports bogus residue values); bogus residue values, not on uas); s = SINGLE_LUN (the device has only one Logical Unit); t = NO_ATA_1X (don't allow ATA(12) and ATA(16) Loading @@ -4770,7 +4771,8 @@ w = NO_WP_DETECT (don't test whether the medium is write-protected). y = ALWAYS_SYNC (issue a SYNCHRONIZE_CACHE even if the device claims no cache) even if the device claims no cache, not on uas) Example: quirks=0419:aaf5:rl,0421:0433:rc user_debug= [KNL,ARM] Loading Documentation/devicetree/bindings/gnss/gnss.txt 0 → 100644 +36 −0 Original line number Diff line number Diff line GNSS Receiver DT binding This documents the binding structure and common properties for GNSS receiver devices. A GNSS receiver node is a node named "gnss" and typically resides on a serial bus (e.g. UART, I2C or SPI). Please refer to the following documents for generic properties: Documentation/devicetree/bindings/serial/slave-device.txt Documentation/devicetree/bindings/spi/spi-bus.txt Required properties: - compatible : A string reflecting the vendor and specific device the node represents Optional properties: - enable-gpios : GPIO used to enable the device - timepulse-gpios : Time pulse GPIO Example: serial@1234 { compatible = "ns16550a"; gnss { compatible = "u-blox,neo-8"; vcc-supply = <&gnss_reg>; timepulse-gpios = <&gpio0 16 GPIO_ACTIVE_HIGH>; current-speed = <4800>; }; }; Loading
Documentation/ABI/testing/sysfs-class-gnss 0 → 100644 +15 −0 Original line number Diff line number Diff line What: /sys/class/gnss/gnssN/type Date: May 2018 KernelVersion: 4.18 Contact: Johan Hovold <johan@kernel.org> Description: The GNSS receiver type. The currently identified types reflect the protocol(s) supported by the receiver: "NMEA" NMEA 0183 "SiRF" SiRF Binary "UBX" UBX Note that also non-"NMEA" type receivers typically support a subset of NMEA 0183 with vendor extensions (e.g. to allow switching to a vendor protocol).
Documentation/ABI/testing/sysfs-fs-f2fs +6 −0 Original line number Diff line number Diff line Loading @@ -31,6 +31,12 @@ Contact: "Jaegeuk Kim" <jaegeuk.kim@samsung.com> Description: Controls the issue rate of segment discard commands. What: /sys/fs/f2fs/<disk>/max_blkaddr Date: November 2019 Contact: "Ramon Pantin" <pantin@google.com> Description: Shows first block address of MAIN area. What: /sys/fs/f2fs/<disk>/ipu_policy Date: November 2013 Contact: "Jaegeuk Kim" <jaegeuk.kim@samsung.com> Loading
Documentation/ABI/testing/sysfs-kernel-ion 0 → 100644 +27 −0 Original line number Diff line number Diff line What: /sys/kernel/ion Date: Dec 2019 KernelVersion: 4.14.158 Contact: Suren Baghdasaryan <surenb@google.com>, Sandeep Patil <sspatil@google.com> Description: The /sys/kernel/ion directory contains a snapshot of the internal state of ION memory heaps and pools. Users: kernel memory tuning tools What: /sys/kernel/ion/total_heaps_kb Date: Dec 2019 KernelVersion: 4.14.158 Contact: Suren Baghdasaryan <surenb@google.com>, Sandeep Patil <sspatil@google.com> Description: The total_heaps_kb file is read-only and specifies how much memory in Kb is allocated to ION heaps. What: /sys/kernel/ion/total_pools_kb Date: Dec 2019 KernelVersion: 4.14.158 Contact: Suren Baghdasaryan <surenb@google.com>, Sandeep Patil <sspatil@google.com> Description: The total_pools_kb file is read-only and specifies how much memory in Kb is allocated to ION pools.
Documentation/admin-guide/kernel-parameters.txt +12 −10 Original line number Diff line number Diff line Loading @@ -4730,13 +4730,13 @@ Flags is a set of characters, each corresponding to a common usb-storage quirk flag as follows: a = SANE_SENSE (collect more than 18 bytes of sense data); of sense data, not on uas); b = BAD_SENSE (don't collect more than 18 bytes of sense data); bytes of sense data, not on uas); c = FIX_CAPACITY (decrease the reported device capacity by one sector); d = NO_READ_DISC_INFO (don't use READ_DISC_INFO command); READ_DISC_INFO command, not on uas); e = NO_READ_CAPACITY_16 (don't use READ_CAPACITY_16 command); f = NO_REPORT_OPCODES (don't use report opcodes Loading @@ -4751,17 +4751,18 @@ j = NO_REPORT_LUNS (don't use report luns command, uas only); l = NOT_LOCKABLE (don't try to lock and unlock ejectable media); unlock ejectable media, not on uas); m = MAX_SECTORS_64 (don't transfer more than 64 sectors = 32 KB at a time); than 64 sectors = 32 KB at a time, not on uas); n = INITIAL_READ10 (force a retry of the initial READ(10) command); initial READ(10) command, not on uas); o = CAPACITY_OK (accept the capacity reported by the device); reported by the device, not on uas); p = WRITE_CACHE (the device cache is ON by default); by default, not on uas); r = IGNORE_RESIDUE (the device reports bogus residue values); bogus residue values, not on uas); s = SINGLE_LUN (the device has only one Logical Unit); t = NO_ATA_1X (don't allow ATA(12) and ATA(16) Loading @@ -4770,7 +4771,8 @@ w = NO_WP_DETECT (don't test whether the medium is write-protected). y = ALWAYS_SYNC (issue a SYNCHRONIZE_CACHE even if the device claims no cache) even if the device claims no cache, not on uas) Example: quirks=0419:aaf5:rl,0421:0433:rc user_debug= [KNL,ARM] Loading
Documentation/devicetree/bindings/gnss/gnss.txt 0 → 100644 +36 −0 Original line number Diff line number Diff line GNSS Receiver DT binding This documents the binding structure and common properties for GNSS receiver devices. A GNSS receiver node is a node named "gnss" and typically resides on a serial bus (e.g. UART, I2C or SPI). Please refer to the following documents for generic properties: Documentation/devicetree/bindings/serial/slave-device.txt Documentation/devicetree/bindings/spi/spi-bus.txt Required properties: - compatible : A string reflecting the vendor and specific device the node represents Optional properties: - enable-gpios : GPIO used to enable the device - timepulse-gpios : Time pulse GPIO Example: serial@1234 { compatible = "ns16550a"; gnss { compatible = "u-blox,neo-8"; vcc-supply = <&gnss_reg>; timepulse-gpios = <&gpio0 16 GPIO_ACTIVE_HIGH>; current-speed = <4800>; }; };
