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Phil Elwell 37a8d7448c mfd: Add rp1 driver
RP1 is a multifunction PCIe device that exposes a range of
peripherals.
Add the parent driver to manage these.

Signed-off-by: Phil Elwell <phil@raspberrypi.com>

mfd: rp1: Support interrupt CPU affinity

See: https://github.com/raspberrypi/linux/issues/6077

Signed-off-by: Phil Elwell <phil@raspberrypi.com>

pinctrl: rp1: Allow building as a module

Signed-off-by: Phil Elwell <phil@raspberrypi.com>

mfd: rp1: depends on PCI_MSI

The driver uses pci_msi methods, only defined when CONFIG_PCI_MSI symbol
is set, and cannot be compiled without. Therefore, it depends on this
symbol.

Signed-off-by: Jorge Marques <jorge.marques@analog.com>

mfd: rp1: Fix device links when modules disabled

Device links are used to keep track of suppliers and consumers of
resources, adding some control over the ordering of device probes other
than returning -EPROBE_DEFER. The way the RP1 device is created breaks
this mechanism in the rare case that the use of modules has been
completely disabled, thanks to some opimisations within the device link
code.

Fix this glitch by giving the corresponding fwnode a pointer to the
device, taking the opportunity to remove a pointless check on the
validity of the rp1_node pointer.

See: https://github.com/raspberrypi/linux/issues/7018
Signed-off-by: Phil Elwell <phil@raspberrypi.com>
2025-12-01 12:27:49 +00:00
2025-12-01 12:27:49 +00:00
2025-12-01 12:27:49 +00:00
2022-09-28 09:02:20 +02:00
2025-02-19 14:53:27 -07:00
2025-11-30 14:42:10 -08:00
2024-03-18 03:36:32 -06:00

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.

Build status for rpi-6.1.y: Pi kernel build tests dtoverlaycheck

Build status for rpi-6.6.y: Pi kernel build tests dtoverlaycheck

Build status for rpi-6.12.y: Pi kernel build tests dtoverlaycheck

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