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author | Linus Torvalds <torvalds@linux-foundation.org> | 2022-03-28 22:27:35 +0300 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-03-28 22:27:35 +0300 |
commit | 02e2af20f4f9f2aa0c84e9a30a35c02f0fbb7daa (patch) | |
tree | d126449a7d2ea2270627183f7cebd726fbe56a9d /Documentation/driver-api | |
parent | ff61bc81b3feebcef4d0431a92e2e40e8d4fe8b3 (diff) | |
parent | 37fd83916da2e4cae03d350015c82a67b1b334c4 (diff) | |
download | linux-02e2af20f4f9f2aa0c84e9a30a35c02f0fbb7daa.tar.xz |
Merge tag 'char-misc-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc and other driver updates from Greg KH:
"Here is the big set of char/misc and other small driver subsystem
updates for 5.18-rc1.
Included in here are merges from driver subsystems which contain:
- iio driver updates and new drivers
- fsi driver updates
- fpga driver updates
- habanalabs driver updates and support for new hardware
- soundwire driver updates and new drivers
- phy driver updates and new drivers
- coresight driver updates
- icc driver updates
Individual changes include:
- mei driver updates
- interconnect driver updates
- new PECI driver subsystem added
- vmci driver updates
- lots of tiny misc/char driver updates
All of these have been in linux-next for a while with no reported
problems"
* tag 'char-misc-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (556 commits)
firmware: google: Properly state IOMEM dependency
kgdbts: fix return value of __setup handler
firmware: sysfb: fix platform-device leak in error path
firmware: stratix10-svc: add missing callback parameter on RSU
arm64: dts: qcom: add non-secure domain property to fastrpc nodes
misc: fastrpc: Add dma handle implementation
misc: fastrpc: Add fdlist implementation
misc: fastrpc: Add helper function to get list and page
misc: fastrpc: Add support to secure memory map
dt-bindings: misc: add fastrpc domain vmid property
misc: fastrpc: check before loading process to the DSP
misc: fastrpc: add secure domain support
dt-bindings: misc: add property to support non-secure DSP
misc: fastrpc: Add support to get DSP capabilities
misc: fastrpc: add support for FASTRPC_IOCTL_MEM_MAP/UNMAP
misc: fastrpc: separate fastrpc device from channel context
dt-bindings: nvmem: brcm,nvram: add basic NVMEM cells
dt-bindings: nvmem: make "reg" property optional
nvmem: brcm_nvram: parse NVRAM content into NVMEM cells
nvmem: dt-bindings: Fix the error of dt-bindings check
...
Diffstat (limited to 'Documentation/driver-api')
-rw-r--r-- | Documentation/driver-api/driver-model/devres.rst | 1 | ||||
-rw-r--r-- | Documentation/driver-api/nvmem.rst | 28 |
2 files changed, 13 insertions, 16 deletions
diff --git a/Documentation/driver-api/driver-model/devres.rst b/Documentation/driver-api/driver-model/devres.rst index 148e19381b79..5018403fe82f 100644 --- a/Documentation/driver-api/driver-model/devres.rst +++ b/Documentation/driver-api/driver-model/devres.rst @@ -368,6 +368,7 @@ MUX devm_mux_chip_alloc() devm_mux_chip_register() devm_mux_control_get() + devm_mux_state_get() NET devm_alloc_etherdev() diff --git a/Documentation/driver-api/nvmem.rst b/Documentation/driver-api/nvmem.rst index 287e86819640..e3366322d46c 100644 --- a/Documentation/driver-api/nvmem.rst +++ b/Documentation/driver-api/nvmem.rst @@ -26,9 +26,7 @@ was a rather big abstraction leak. This framework aims at solve these problems. It also introduces DT representation for consumer devices to go get the data they require (MAC -Addresses, SoC/Revision ID, part numbers, and so on) from the NVMEMs. This -framework is based on regmap, so that most of the abstraction available in -regmap can be reused, across multiple types of buses. +Addresses, SoC/Revision ID, part numbers, and so on) from the NVMEMs. NVMEM Providers +++++++++++++++ @@ -45,23 +43,21 @@ nvmem_device pointer. nvmem_unregister(nvmem) is used to unregister a previously registered provider. -For example, a simple qfprom case:: +For example, a simple nvram case:: - static struct nvmem_config econfig = { - .name = "qfprom", - .owner = THIS_MODULE, - }; - - static int qfprom_probe(struct platform_device *pdev) + static int brcm_nvram_probe(struct platform_device *pdev) { + struct nvmem_config config = { + .name = "brcm-nvram", + .reg_read = brcm_nvram_read, + }; ... - econfig.dev = &pdev->dev; - nvmem = nvmem_register(&econfig); - ... - } + config.dev = &pdev->dev; + config.priv = priv; + config.size = resource_size(res); -It is mandatory that the NVMEM provider has a regmap associated with its -struct device. Failure to do would return error code from nvmem_register(). + devm_nvmem_register(&config); + } Users of board files can define and register nvmem cells using the nvmem_cell_table struct:: |