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linux/drivers/thunderbolt
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Gil Fine 7e49bb89df thunderbolt: Avoid reserved fields in path config space for USB4 routers 
According to USB4 spec, USB4 Connection Manager shall not change value
of any fields that are defined as "RsvdZ" or "VD".  Specifically fields:
Path Credits Allocated, IFC, ISE fields in path config space shall not
be written by CM. To handle this, CM shall first read current path
config space from the hardware, change only the fields that can be
changed, and then write back the path config space.

Signed-off-by: Gil Fine <gil.fine@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
History 2026-05-05 13:53:45 +02:00
..
acpi.c thunderbolt: Update acpi.c function documentation 2025-09-17 07:32:58 +02:00
cap.c thunderbolt: Update cap.c function documentation 2025-09-17 07:32:58 +02:00
clx.c thunderbolt: Update clx.c function documentation 2025-09-17 07:32:58 +02:00
ctl.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
ctl.h thunderbolt: Add missing documentation in ctl.h tb_cfg_request struct 2025-09-17 07:32:58 +02:00
debugfs.c thunderbolt: debugfs: Don't stop reading SB registers if just one fails 2026-04-27 07:12:55 +02:00
dma_port.c thunderbolt: dma_port: kmalloc_array + kzalloc to flex 2026-03-18 14:31:56 +01:00
dma_port.h thunderbolt: Convert rest of the driver files to use SPDX identifier 2018-10-02 15:52:08 -07:00
dma_test.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
domain.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
eeprom.c thunderbolt: Fix typo in tb_eeprom_ctl_read documentation 2025-10-20 08:17:36 +02:00
icm.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
Kconfig thunderbolt: Use HMAC-SHA256 library instead of crypto_shash 2025-08-11 07:56:14 +02:00
lc.c thunderbolt: Fix typos in lc.c 2025-11-17 08:24:23 +01:00
Makefile thunderbolt: Add trace events support for the control channel 2024-02-26 09:12:24 +02:00
nhi.c thunderbolt: Fix property read in nhi_wake_supported() 2026-03-09 12:36:54 +01:00
nhi.h thunderbolt: Add support for Intel Wildcat Lake 2025-10-20 08:20:34 +02:00
nhi_ops.c thunderbolt: Software CM only should set force power in Tiger Lake 2020-09-03 12:06:40 +03:00
nhi_regs.h thunderbolt: Add missing documentation in nhi_regs.h ring_desc structure 2025-09-17 07:32:59 +02:00
nvm.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
path.c thunderbolt: Avoid reserved fields in path config space for USB4 routers 2026-05-05 13:53:45 +02:00
property.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
quirks.c thunderbolt: Disable CLx on Titan Ridge-based devices with old firmware 2026-03-02 07:51:58 +01:00
retimer.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
sb_regs.h thunderbolt: debugfs: Implement asymmetric lane margining 2024-11-01 07:55:38 +02:00
switch.c thunderbolt: Read router NVM version before applying quirks 2026-03-02 07:51:58 +01:00
tb.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
tb.h thunderbolt: Use kzalloc_flex() for struct tb_path allocation 2026-03-23 06:49:43 +01:00
tb_msgs.h thunderbolt: Notify userspace about firmware CM tunneling events 2025-04-24 08:24:39 +03:00
tb_regs.h thunderbolt: Fix typos in tb_regs.h 2025-11-17 08:24:24 +01:00
test.c thunderbolt: Handle DisplayPort tunnel activation asynchronously 2025-01-03 11:50:09 +02:00
tmu.c thunderbolt: Fix typos in tmu.c 2025-11-17 08:24:24 +01:00
trace.h thunderbolt: Correct trace output of firmware connection manager packets 2024-04-29 07:47:54 +03:00
tunnel.c thunderbolt: tunnel: Simplify allocation 2026-04-07 09:00:26 +02:00
tunnel.h thunderbolt: tunnel: Simplify allocation 2026-04-07 09:00:26 +02:00
usb4.c thunderbolt: Fix typos in usb4.c 2025-11-17 08:24:24 +01:00
usb4_port.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
xdomain.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00