Linux mainline fork with MSM8998 patches | https://mainline.space | Currently supported devices:
OnePlus 5/5T, Xiaomi Mi 6, F(x)tec Pro¹ (2019 QX1000 model) & Sony Xperia XZ Premium (UNTESTED!)
5e0db7e4b1
Jacob Keller says:
====================
PCI: Implement function to read Device Serial Number
Several drivers read the Device Serial Number from the PCIe extended
configuration space. Each of these drivers implements a similar approach to
finding the position and then extracting the 8 bytes of data.
Implement a new helper function, pci_get_dsn, which can be used to extract
this data into an 8 byte array.
Modify the bnxt_en, qedf, ice, ixgbe and nfp drivers to use this new
function.
The intent for this is to reduce duplicate code across the various drivers,
and make it easier to write future code that wants to read the DSN. In
particular the ice driver will be using the DSN as its serial number when
implementing the DEVLINK_CMD_INFO_GET.
The new implementation in v2 significantly simplifies some of the callers
which just want to print the value out in MSB order. By returning things as
a u64 in CPU Endian order, the "%016llX" printf format specifier can be used
to correctly format the value.
Per patch changes since v1
PCI: Introduce pci_get_dsn
* Update commit message based on feedback from Bjorn Helgaas
* Modify the function to return a u64 (zero on no capability)
* This new implementation ensures that the first dword is the lower 32
bits and the second dword is the upper 32 bits.
bnxt_en: Use pci_get_dsn()
* Use the u64 return value from pci_get_dsn()
* Copy it into the dsn[] array by using put_unaligned_le64
* Fix a pre-existing typo in the netdev_info error message
scsi: qedf: Use pci_get_dsn()
* Use the u64 return value from pci_get_dsn()
* simplify the snprintf to use "%016llX"
* remove the unused 'i' variable
ice: Use pci_get_dsn()
* Use the u64 return value from pci_get_dsn()
* simplify the snprintf to use "%016llX"
ixgbe: Use pci_get_dsn()
* Use the u64 return value from pci_get_dsn()
* simplify the snprintf to use "%016llX"
nfp: Use pci_get_dsn()
* Added in v2
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.