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Filename Latest commit message Latest commit date
Thomas Reichinger e38cd53421 arcnet: restoring support for multiple Sohard Arcnet cards 
[ Upstream commit 6b17a597fc2f13aaaa0a2780eb7edb9ae7ac9aea ]

Probe of Sohard Arcnet cards fails,
if 2 or more cards are installed in a system.
See kernel log:
[    2.759203] arcnet: arcnet loaded
[    2.763648] arcnet:com20020: COM20020 chipset support (by David Woodhouse et al.)
[    2.770585] arcnet:com20020_pci: COM20020 PCI support
[    2.772295] com20020 0000:02:00.0: enabling device (0000 -> 0003)
[    2.772354] (unnamed net_device) (uninitialized): PLX-PCI Controls
...
[    3.071301] com20020 0000:02:00.0 arc0-0 (uninitialized): PCI COM20020: station FFh found at F080h, IRQ 101.
[    3.071305] com20020 0000:02:00.0 arc0-0 (uninitialized): Using CKP 64 - data rate 2.5 Mb/s
[    3.071534] com20020 0000:07:00.0: enabling device (0000 -> 0003)
[    3.071581] (unnamed net_device) (uninitialized): PLX-PCI Controls
...
[    3.369501] com20020 0000:07:00.0: Led pci:green:tx:0-0 renamed to pci:green:tx:0-0_1 due to name collision
[    3.369535] com20020 0000:07:00.0: Led pci:red:recon:0-0 renamed to pci:red:recon:0-0_1 due to name collision
[    3.370586] com20020 0000:07:00.0 arc0-0 (uninitialized): PCI COM20020: station E1h found at C000h, IRQ 35.
[    3.370589] com20020 0000:07:00.0 arc0-0 (uninitialized): Using CKP 64 - data rate 2.5 Mb/s
[    3.370608] com20020: probe of 0000:07:00.0 failed with error -5

commit 5ef216c1f8 ("arcnet: com20020-pci: add rotary index support")
changes the device name of all COM20020 based PCI cards,
even if only some cards support this:
	snprintf(dev->name, sizeof(dev->name), "arc%d-%d", dev->dev_id, i);

The error happens because all Sohard Arcnet cards would be called arc0-0,
since the Sohard Arcnet cards don't have a PLX rotary coder.
I.e. EAE Arcnet cards have a PLX rotary coder,
which sets the first decimal, ensuring unique devices names.

This patch adds two new card feature flags to indicate
which cards support LEDs and the PLX rotary coder.
For EAE based cards the names still depend on the PLX rotary coder
(untested, since missing EAE hardware).
For Sohard based cards, this patch will result in devices
being called arc0, arc1, ... (tested).

Signed-off-by: Thomas Reichinger <thomas.reichinger@sohard.de>
Fixes: 5ef216c1f8 ("arcnet: com20020-pci: add rotary index support")
Link: https://lore.kernel.org/r/20231130113503.6812-1-thomas.reichinger@sohard.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-12-13 18:18:12 +01:00
arch s390/cmma: fix detection of DAT pages 2023-12-08 08:44:27 +01:00
block block/partition: fix signedness issue for Amiga partitions 2023-07-27 08:37:29 +02:00
certs
crypto crypto: pcrypt - Fix hungtask for PADATA_RESET 2023-11-28 16:50:14 +00:00
Documentation firmware: ti_sci: Replace HTTP links with HTTPS ones 2023-11-20 10:30:12 +01:00
drivers arcnet: restoring support for multiple Sohard Arcnet cards 2023-12-13 18:18:12 +01:00
fs ovl: skip overlayfs superblocks at global sync 2023-12-08 08:44:27 +01:00
include of: Add missing 'Return' section in kerneldoc comments 2023-12-13 18:18:11 +01:00
init x86/mm: Initialize text poking earlier 2023-08-08 19:56:36 +02:00
ipc
kernel hrtimers: Push pending hrtimers away from outgoing CPU earlier 2023-12-13 18:18:09 +01:00
lib kobject: Fix slab-out-of-bounds in fill_kobj_path() 2023-11-08 11:23:38 +01:00
LICENSES
mm mm/cma: use nth_page() in place of direct struct page manipulation 2023-11-28 16:50:19 +00:00
net ipv6: fix potential NULL deref in fib6_add() 2023-12-13 18:18:11 +01:00
samples samples/bpf: Fix buffer overflow in tcp_basertt 2023-07-27 08:37:07 +02:00
scripts kconfig: fix memory leak from range properties 2023-12-13 18:18:10 +01:00
security ima: detect changes to the backing overlay file 2023-12-08 08:44:27 +01:00
sound ALSA: hda/realtek: Add supported ALC257 for ChromeOS 2023-12-08 08:44:26 +01:00
tools tools/power/turbostat: Fix a knl bug 2023-11-28 16:50:17 +00:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS iio: stx104: Move to addac subdirectory 2023-08-30 16:27:12 +02:00
Makefile Linux 5.4.263 2023-12-08 08:44:28 +01:00
README

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.