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/linux-6.12.1/Documentation/arch/arm64/
Dbooting.rst50 The device tree blob (dtb) must be placed on an 8-byte boundary and must
52 using blocks of up to 2 megabytes in size, it must not be placed within
53 any 2M region which must be mapped with any specific attributes.
103 little-endian and must be respected. Where image_size is zero,
135 The Image must be placed text_offset bytes from a 2MB aligned base
139 At least image_size bytes from the start of the image must be free for
145 If an initrd/initramfs is passed to the kernel at boot, it must reside
154 Before jumping into the kernel, the following conditions must be met:
169 All forms of interrupts must be masked in PSTATE.DAIF (Debug, SError,
171 The CPU must be in non-secure state, either in EL2 (RECOMMENDED in order
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/linux-6.12.1/Documentation/devicetree/bindings/pci/
Dralink,rt3883-pci.txt7 - compatible: must be "ralink,rt3883-pci"
13 address. The value must be 1.
16 of an address. The value must be 1.
24 Value must be either "disabled" or "okay".
28 The main node must have two child nodes which describes the built-in
38 address. The value must be 0. As such, 'interrupt-map' nodes do not
42 interrupt source. The value must be 1.
53 address. The value must be 0.
56 of an address. The value must be 2.
59 interrupt source. The value must be 1.
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/linux-6.12.1/drivers/media/dvb-frontends/drx39xyj/
Ddrx_dap_fasi.h98 #error At least one of short- or long-addressing format must be allowed.
201 #error DRXDAP_MAX_WCHUNKSIZE must be at least 3 in single master mode
204 #error DRXDAP_MAX_WCHUNKSIZE must be at least 5 in multi master mode
209 #error DRXDAP_MAX_WCHUNKSIZE must be at least 5 in single master mode
212 #error DRXDAP_MAX_WCHUNKSIZE must be at least 7 in multi master mode
225 #error DRXDAP_MAX_RCHUNKSIZE must be at least 2
231 #error DRXDAP_MAX_RCHUNKSIZE must be even
/linux-6.12.1/Documentation/virt/kvm/
Dreview-checklist.rst7 1. The patch must follow Documentation/process/coding-style.rst and
13 - the API must be documented in Documentation/virt/kvm/api.rst
14 - the API must be discoverable using KVM_CHECK_EXTENSION
16 4. New state must include support for save/restore.
18 5. New features must default to off (userspace should explicitly request them).
32 10. User/kernel interfaces and guest/host interfaces must be 64-bit clean
36 11. New guest visible features must either be documented in a hardware manual
39 12. Features must be robust against reset and kexec - for example, shared
40 host/guest memory must be unshared to prevent the host from writing to
/linux-6.12.1/Documentation/devicetree/bindings/clock/
Dst,nomadik.txt10 - compatible: must be "stericsson,nomadik-src"
11 - reg: must contain the SRC register base and size
28 - compatible: must be "st,nomadik-pll-clock"
29 - clock-cells: must be 0
30 - clock-id: must be 1 or 2 for PLL1 and PLL2 respectively
39 - compatible: must be "st,nomadik-hclk-clock"
40 - clock-cells: must be 0
41 - clock-id: must be the clock ID from 0 to 63 according to
/linux-6.12.1/Documentation/devicetree/bindings/csky/
Dcpus.txt20 The node name must be "cpus".
22 A cpus node must define the following properties:
27 Definition: must be set to 1
31 Definition: must be set to 0
42 Definition: must be "cpu"
50 Definition: must contain "csky", eg:
/linux-6.12.1/Documentation/arch/arm/
Dbooting.rst74 The boot loader must ultimately be able to provide a MACH_TYPE_xxx
90 The boot loader must provide either a tagged list or a dtb image for
97 The boot loader must create and initialise the kernel tagged list.
100 has the size field set to '2' (0x00000002). The ATAG_NONE must set
108 The boot loader must pass at a minimum the size and location of
122 The tagged list must be placed in a region of memory where neither
129 The boot loader must load a device tree image (dtb) into system ram
136 The boot loader must pass at a minimum the size and location of the
137 system memory, and the root filesystem location. The dtb must be
152 If an initramfs is in use then, as with the dtb, it must be placed in
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/linux-6.12.1/Documentation/arch/xtensa/
Dbooting.rst7 tag value constants. First entry in the list must have type BP_TAG_FIRST, last
8 entry must have type BP_TAG_LAST. The address of the first list entry is
12 address must be the physical address.
14 the address must be a valid address in the current mapping. The kernel will
16 - For configurations with MMUv2 the address must be a virtual address in the
19 virtual or physical address. In either case it must be within the default
/linux-6.12.1/Documentation/devicetree/bindings/mmc/
Damlogic,meson-mx-sdio.txt13 - compatible : must be one of
19 - #address-cells : must be 1
20 - size-cells : must be 0
22 - clock-names : must contain "core" and "clkin"
30 - compatible : must be "mmc-slot" (see mmc.txt within this directory)
34 - bus-width : must be 1 or 4 (8-bit bus is not supported)
/linux-6.12.1/Documentation/devicetree/bindings/phy/
Dphy-lpc18xx-usb-otg.txt8 - compatible : must be "nxp,lpc1850-usb-otg-phy"
9 - clocks : must be exactly one entry
11 - #phy-cells : must be 0 for this phy
14 The phy node must be a child of the creg syscon node.
/linux-6.12.1/Documentation/devicetree/bindings/cpu/
Dcpu-topology.txt56 Node name must be "cpu-map".
58 The cpu-map node's parent node must be the cpus node.
78 system must be defined within the topology. Any other configuration is
79 invalid and therefore must be ignored.
85 cpu-map child nodes must follow a naming convention where the node name
86 must be "socketN", "clusterN", "coreN", "threadN" depending on the node type
88 which are siblings within a single common parent node must be given a unique and
102 Description: must be declared within a cpu-map node, one node
111 The socket node name must be "socketN" as described in 2.1 above.
114 A socket node's child nodes must be one or more cluster nodes.
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/linux-6.12.1/Documentation/infiniband/
Dcore_locking.rst26 which may not sleep and must be callable from any context.
52 driver must be fully reentrant. The low-level driver is required to
69 A low-level driver must not perform a callback directly from the
78 simultaneously. The driver must guarantee that only one CQ event
103 must be complete before this call. The device must remain usable
106 A low-level driver must call ib_register_device() and
107 ib_unregister_device() from process context. It must not hold any
113 device. A consumer must finish all cleanup and free all resources
/linux-6.12.1/drivers/ntb/hw/idt/
DKconfig9 Some of the pre-initializations must be made before IDT PCIe-switch
13 value. Evidently it must be done before PCI bus enumeration is
16 First of all partitions must be activated and properly assigned to all
18 and SWPORTxCTL registers). Then all NT-function BARs must be enabled
21 accepted by a BAR. Note that BAR0 must map PCI configuration space
/linux-6.12.1/Documentation/devicetree/bindings/usb/
Docteon-usb.txt7 - compatible: must be "cavium,octeon-5750-usbn"
13 address. The value must be 2.
16 of an address. The value must be 2.
33 The main node must have one child node which describes the built-in
38 - compatible: must be "cavium,octeon-5750-usbc"
/linux-6.12.1/Documentation/devicetree/bindings/remoteproc/
Dqcom,q6v5.txt9 Definition: must be one of:
16 Definition: must specify the base address and size of the qdsp6 and
22 Definition: must be "q6dsp" and "rmb"
32 Definition: must be "wdog", "fatal", "ready", "handover", "stop-ack"
46 must be "xo", "gcc_abhs_cbcr", "gcc_abhs_cbcr",
60 Definition: must be "wcss_aon_reset", "wcss_reset", "wcss_q6_reset"
85 Definition: must be "stop"
/linux-6.12.1/Documentation/filesystems/
Dfiles.rst39 1. All references to the fdtable must be done through
55 The fdtable pointer must be read within the read-side
58 2. Reading of the fdtable as described above must be protected
61 3. For any update to the fd table, files->file_lock must
65 must use either lookup_fdget_rcu() or files_lookup_fdget_rcu() APIs. These
82 lock-free, they must be installed using rcu_assign_pointer()
84 must be used. However it is advisable to use files_fdtable()
88 6. While updating, the fdtable pointer must be looked up while
106 the fdtable pointer (fdt) must be loaded after locate_fd().
122 either first acquire a reference or they must hold the files_lock of the
/linux-6.12.1/Documentation/devicetree/bindings/
Dunittest.txt6 - compatible: must be "unittest"
20 - compatible: must be unittest-i2c-bus
34 - compatible: must be unittest-i2c-dev
48 - compatible: must be unittest-i2c-mux
/linux-6.12.1/Documentation/networking/
Ddriver.rst23 After the ndo_stop routine has been called, the hardware must
24 not receive or transmit any data. All in flight packets must
40 The ndo_start_xmit method must not return NETDEV_TX_BUSY under
45 Instead it must maintain the queue properly. For example,
109 An ndo_start_xmit method must not modify the shared parts of a
126 must not keep any reference to that SKB and you must not attempt
/linux-6.12.1/Documentation/devicetree/bindings/ata/
Dahci-st.txt9 - interrupt-names : Associated name must be; "hostc"
11 - clock-names : Associated name must be; "ahci_clk"
13 - phy-names : Associated name must be; "ahci_phy"
17 - reset-names : Associated names must be; "pwr-dwn", "sw-rst" and "pwr-rst"
/linux-6.12.1/arch/arm/boot/bootp/
DMakefile35 (echo bootpImage: You must specify PHYS_OFFSET of PARAMS_PHYS ; exit -1)
37 (echo bootpImage: You must specify INITRD_OFFSET or INITRD_PHYS ; exit -1)
39 (echo bootpImage: You must specify INITRD; exit -1)
/linux-6.12.1/Documentation/hid/
Dhid-transport.rst73 must unregister the device from HID core and HID core will stop using the
80 transmission behavior regarding acknowledgements. An asynchronous channel must
82 verifications. Generally, HID calls operating on asynchronous channels must be
88 required on asynchronous channels, a transport-driver must implement that via
92 driver must provide two bi-directional I/O channels to each HID device. These
93 channels must not necessarily be bi-directional in the hardware itself. A
101 channel. Any unrequested incoming or outgoing data report must be sent on
106 device management. Unrequested data input events must not be sent on this
131 Feature reports are never sent without requests. A host must explicitly set
141 Plain reports must not be sent on the ctrl channel, though. Instead, the ctrl
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/linux-6.12.1/LICENSES/deprecated/
DZlib21 1. The origin of this software must not be misrepresented; you must not
25 2. Altered source versions must be plainly marked as such, and must not be
/linux-6.12.1/Documentation/arch/sparc/oradax/
Doracle-dax.rst43 interrupt is generated upon completion; the completion area must be
70 request can be fed to the coprocessor, all the addresses in a CCB must
92 opened it, and must be used by that thread for all subsequent
117 request, the driver must be told when it may reclaim resources. No
125 executing once this call returns successfully. On success, read() must
134 CCB_KILL must be invoked on that CCB. Upon success, read() must be
150 and read() must be called to retrieve further status information. The
159 user process, and the mmap call must not specify PROT_WRITE.
203 or output, must reside in a physically contiguous region of memory.
214 page size must be used, or the transaction size will be truncated to
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/linux-6.12.1/Documentation/devicetree/bindings/arm/marvell/
Darmada-370-xp.txt9 compatible: must contain "marvell,armada-370-xp"
16 compatible: must contain "marvell,armada370"
23 compatible: must contain "marvell,armadaxp"
D98dx3236.txt9 compatible: must contain "marvell,armadaxp-98dx3236"
16 compatible: must contain "marvell,armadaxp-98dx3336"
23 compatible: must contain "marvell,armadaxp-98dx4251"

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