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When working on the PCI VPD code I also tested with a Broadcom BCM95719 card. tg3 uses internal NVRAM access with this card, so I forced it to PCI VPD mode for testing. PCI VPD access fails (i + PCI_VPD_LRDT_TAG_SIZE + j > len) because only TG3_NVM_VPD_LEN (256) bytes are read, but PCI VPD has 400 bytes on this card. So add a constant TG3_NVM_PCI_VPD_MAX_LEN that defines the maximum PCI VPD size. The actual VPD size is returned by pci_read_vpd(). In addition it's not worth looping over pci_read_vpd(). If we miss the 125ms timeout per VPD dword read then definitely something is wrong, and if the tg3 module loading is killed then there's also not much benefit in retrying the VPD read. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Reviewed-by: Michael Chan <michael.chan@broadcom.com> Link: https://lore.kernel.org/r/cb9e9113-0861-3904-87e0-d4c4ab3c8860@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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| 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.