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linux/drivers/thunderbolt
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Mika Westerberg d727b97f8f thunderbolt: Check that lane 1 is in CL0 before enabling lane bonding 
commit a9fdf5f933 upstream.

Marek reported that when BlackMagic UltraStudio device is connected the
kernel repeatedly tries to enable lane bonding without success making
the device non-functional. It looks like the device does not have lane 1
connected at all so even though it is enabled we should not try to bond
the lanes. For this reason check that lane 1 is in fact CL0 (connected,
active) before attempting to bond the lanes.

Reported-by: Marek Šanta <teslan223@gmail.com>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=217737
Cc: stable@vger.kernel.org
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2023-10-19 23:05:36 +02:00
..
acpi.c thunderbolt: Runtime PM activate both ends of the device link 2022-01-27 11:04:36 +01:00
cap.c thunderbolt: cap: Fix kernel-doc formatting issue 2021-01-28 12:33:18 +03:00
ctl.c thunderbolt: Use the actual buffer in tb_async_error() 2022-09-08 12:28:05 +02:00
ctl.h thunderbolt: Decrease control channel timeout for software connection manager 2021-03-18 18:25:30 +03:00
debugfs.c thunderbolt: debugfs: Show all accessible dwords 2021-03-12 13:13:34 +03:00
dma_port.c thunderbolt: Use generic tb_nvm_[read|write]_data() for Thunderbolt 2/3 devices 2021-05-31 14:37:54 +03:00
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 thunderbolt: dma_test: Use correct value for absent rings when creating paths 2023-06-21 15:59:15 +02:00
domain.c bus: Make remove callback return void 2021-07-21 11:53:42 +02:00
eeprom.c thunderbolt: Fix DROM handling for USB4 DROM 2021-06-15 13:51:07 +03:00
icm.c thunderbolt: Workaround an IOMMU fault on certain systems with Intel Maple Ridge 2023-10-19 23:05:36 +02:00
Kconfig thunderbolt: Add DMA traffic test driver 2020-11-11 10:20:16 +03:00
lc.c thunderbolt: Add wake from DisplayPort 2021-05-31 14:39:52 +03:00
Makefile thunderbolt: build kunit tests without structleak plugin 2021-10-06 17:53:49 -06:00
nhi.c thunderbolt: Mask ring interrupt on Intel hardware as well 2023-06-21 15:59:15 +02:00
nhi.h thunderbolt: Add support for Intel Maple Ridge single port controller 2022-09-28 11:11:42 +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: Clear registers properly when auto clear isn't in use 2023-05-24 17:36:54 +01:00
nvm.c thunderbolt: Split NVM read/write generic functions out from usb4.c 2021-05-31 14:37:48 +03:00
path.c thunderbolt: Tear down existing tunnels when resuming from hibernate 2022-11-16 09:58:12 +01:00
property.c thunderbolt: Add tb_property_copy_dir() 2021-03-18 18:25:31 +03:00
quirks.c thunderbolt: Add quirk for Intel Goshen Ridge DP credits 2021-06-01 10:48:59 +03:00
retimer.c thunderbolt: Read retimer NVM authentication status prior tb_retimer_set_inbound_sbtx() 2023-08-26 14:23:24 +02:00
sb_regs.h thunderbolt: Add missing UNSET_INBOUND_SBTX for retimer access 2023-03-30 12:47:52 +02:00
switch.c thunderbolt: Check that lane 1 is in CL0 before enabling lane bonding 2023-10-19 23:05:36 +02:00
tb.c thunderbolt: Add DP OUT resource when DP tunnel is discovered 2022-11-16 09:58:13 +01:00
tb.h thunderbolt: Add missing UNSET_INBOUND_SBTX for retimer access 2023-03-30 12:47:52 +02:00
tb_msgs.h thunderbolt: Add USB4 router operation proxy for firmware connection manager 2020-11-30 14:39:24 +03:00
tb_regs.h thunderbolt: Explicitly enable lane adapter hotplug events at startup 2022-10-26 12:34:32 +02:00
test.c thunderbolt: Use different lane for second DisplayPort tunnel 2022-06-14 18:36:20 +02:00
tmu.c thunderbolt: Add support for Time Management Unit 2019-12-18 15:41:15 +01:00
tunnel.c thunderbolt: Use correct function to calculate maximum USB3 link rate 2023-01-24 07:22:46 +01:00
tunnel.h thunderbolt: Tear down existing tunnels when resuming from hibernate 2022-11-16 09:58:12 +01:00
usb4.c thunderbolt: Add missing UNSET_INBOUND_SBTX for retimer access 2023-03-30 12:47:52 +02:00
usb4_port.c thunderbolt: No need to include <linux/acpi.h> in usb4_port.c 2021-06-11 11:42:54 +03:00
xdomain.c thunderbolt: Update port credits after bonding is enabled/disabled 2021-06-01 10:48:59 +03:00