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When doing dump_survey, host will call "dump_obss" iovar to firmware side. Host need to make sure the HW clock in dongle is on, or there is high probability that firmware gets trap because register or shared memory access failed. To fix this, we disable mpc when doing dump obss and set it back after that. [28350.512799] brcmfmac: brcmf_dump_obss: dump_obss error (-52) [28743.402314] ieee80211 phy0: brcmf_fw_crashed: Firmware has halted or crashed [28745.869430] brcmfmac: brcmf_sdio_bus_rxctl: resumed on timeout [28745.877546] brcmfmac: brcmf_sdio_checkdied: firmware trap in dongle Signed-off-by: Wright Feng <wright.feng@cypress.com> Signed-off-by: Chi-hsien Lin <chi-hsien.lin@infineon.com> Signed-off-by: Ian Lin <ian.lin@infineon.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20220929012527.4152-3-ian.lin@infineon.com |
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| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| 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.