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3d3b32a6dd
Microchip: Mailbox controller & client changes for the system controller on PolarFire SoC. The controller bits have been acked by Jassi. Primarily the changes work around a "hardware" bug (really the system controller's software, but it may as well be hardware as customers cannot change it) where interrupts are not generated if a service fails. The mailbox controller driver is tweaked to use polling, rather than interrupt, mode and there are some changes to timeout code required in the client driver as a result. There's some opportunistic cleanup that I performed while doing the swap too. Canaan: A single fix for some randconfig issues that crop up when !mmu is enabled for 32-bit kernels, due to my changes in a previous release that swapped out select based entablement of the driver. Signed-off-by: Conor Dooley <conor.dooley@microchip.com> -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRh246EGq/8RLhDjO14tDGHoIJi0gUCZC8mSgAKCRB4tDGHoIJi 0pA9AP4hFbaP41qbMdXb4mX4bxCwZxZt9M2+6JZoa1zmNZ7CIAD+Ip8fgHJzpIjC m0hZ3fmZh/8F+GuOYY1qytEpCkK3Cw0= =xY/y -----END PGP SIGNATURE----- gpgsig -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEiK/NIGsWEZVxh/FrYKtH/8kJUicFAmQ5R1cACgkQYKtH/8kJ Uic/8Q//XzDaRG+IR6IcaYtv8PQd37L83FCYvNCqIBdkWzKa40wTadPzgCnRtaL/ 2dUjvNGdDBNPL+EVGiVXEHbDYfQzyjfKZ+gaaVpdGrpY7OnZ7/E1AItFGn1ICeac OpCai9a05bfm2QCmDt1c9tbHoxzT21Lt2oGnpEmdJa505JUmYUsRrrJ88l71u/9b ZaoHAwlmE2WaZkYF2fgN6KAWKHHyvDc0ha1E08qZ13Rv8L1n6JblnmJK8PdFeRRN 3/J8cFGOSb+gqjFCGXbYmWhlGmdg+hSxaTRN3jqlKg0Vm4Ck9LNj2+C5FoUl8Va/ vkH2ZBH9ciA2pMBPtilB9mf98IkgeqLwT3M8tQf0NZ2rzkcGBWVQ+9a66rxWWZBf dq5ML/MtznPsUljJcjR7Jlun8DBpDe01ICpZHR+YVa6jsa+Quepnc0/pyzqnT55Z 8E0L07cktBUvXbIKi+q/GgKV1wbr+0z4x5u63dUPksJxDsM/Fazuxv3wxv7ZcVKK Ii0Fl9O1SLDA1lXK69rGLF5zKbwulPnA1q2GC5vrfolJWShw0FLO2KSu/mT3s2Ri tg7m8uIkvEKCVoFlSeX93n/mUEfmFONBPS9HH+rE+BtK00cIoRdJET2IQjkIssN8 Rv+YTIPT1skNAbLPlzE88UZ7Pd3IqpKssKYybt0X2qrISmZo5Yg= =vLWl -----END PGP SIGNATURE----- Merge tag 'riscv-soc-for-v6.4' of https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux into soc/drivers RISC-V SoC drivers for v6.4 Microchip: Mailbox controller & client changes for the system controller on PolarFire SoC. The controller bits have been acked by Jassi. Primarily the changes work around a "hardware" bug (really the system controller's software, but it may as well be hardware as customers cannot change it) where interrupts are not generated if a service fails. The mailbox controller driver is tweaked to use polling, rather than interrupt, mode and there are some changes to timeout code required in the client driver as a result. There's some opportunistic cleanup that I performed while doing the swap too. Canaan: A single fix for some randconfig issues that crop up when !mmu is enabled for 32-bit kernels, due to my changes in a previous release that swapped out select based entablement of the driver. Signed-off-by: Conor Dooley <conor.dooley@microchip.com> * tag 'riscv-soc-for-v6.4' of https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux: soc: microchip: mpfs: add a prefix to rx_callback() soc: microchip: mpfs: handle timeouts and failed services differently soc: microchip: mpfs: simplify error handling in mpfs_blocking_transaction() soc: microchip: mpfs: use a consistent completion timeout soc: microchip: mpfs: fix some horrible alignment mailbox: mpfs: check the service status in .tx_done() mailbox: mpfs: ditch a useless busy check mailbox: mpfs: switch to txdone_poll mailbox: mpfs: fix an incorrect mask width soc: canaan: Make K210_SYSCTL depend on CLK_K210 Link: https://lore.kernel.org/r/20230406-islamist-mop-81d651b8830d@spud Signed-off-by: Arnd Bergmann <arnd@arndb.de> |
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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.