linux-kernel - [GIT PULL] firewire fixes for v6.7-final

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Date: Sat, 6 Jan 2024 00:06:12 +0900
From: Takashi Sakamoto <o-takashi@...amocchi.jp>
To: torvalds@...ux-foundation.org
Cc: linux-kernel@...r.kernel.org
Subject: [GIT PULL] firewire fixes for v6.7-final

Hi Linus,

Please accept this request for v6.7 final. It includes a patch to
suppress unexpected system reboot which I reported[1]. The issue affects
all versions of Linux kernel which includes 1394 OHCI driver, so I expect
to apply the patch to stable and longterm kernels as well as mainline,
which includes 1394 OHCI driver.

[1] https://lore.kernel.org/lkml/20231105144852.GA165906@workstation.local/

----------------------------------------------------------------
The following changes since commit 610a9b8f49fbcf1100716370d3b5f6f884a2835a:

  Linux 6.7-rc8 (2023-12-31 12:51:25 -0800)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394.git tags/firewire-fixes-6.7-final

for you to fetch changes up to ac9184fbb8478dab4a0724b279f94956b69be827:

  firewire: ohci: suppress unexpected system reboot in AMD Ryzen machines and ASM108x/VT630x PCIe cards (2024-01-05 21:28:08 +0900)

----------------------------------------------------------------
firewire fixes for 6.7-final

This pull request includes a single patch to suppress unexpected system
reboot in AMD Ryzen machines with PCIe card consisting of Asmedia
ASM1083/1085 and VT6306/6307/6308. When 1394 OHCI driver for the card
accesses to a specific register in PCI memory space, the system reboot
often occurs. The issue affects all versions of Linux kernel as long as
the 1394 OHCI driver is included. The mechanism of unexpected system
reboot is not clear, so the driver is changed to avoid the access itself
when detecting the combination of hardware.

----------------------------------------------------------------
Takashi Sakamoto (1):
      firewire: ohci: suppress unexpected system reboot in AMD Ryzen machines and ASM108x/VT630x PCIe cards

 drivers/firewire/ohci.c | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)

Regards

Takashi Sakamoto