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Saravana Kannan a3c1717515 driver core: fw_devlink: Improve check for fwnode with no device/driver
[ Upstream commit 411c0d58ca ]

fw_devlink shouldn't defer the probe of a device to wait on a supplier
that'll never have a struct device or will never be probed by a driver.
We currently check if a supplier falls into this category, but don't
check its ancestors. We need to check the ancestors too because if the
ancestor will never probe, then the supplier will never probe either.

Signed-off-by: Saravana Kannan <saravanak@google.com>
Tested-by: Colin Foster <colin.foster@in-advantage.com>
Tested-by: Sudeep Holla <sudeep.holla@arm.com>
Tested-by: Douglas Anderson <dianders@chromium.org>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Luca Weiss <luca.weiss@fairphone.com> # qcom/sm7225-fairphone-fp4
Link: https://lore.kernel.org/r/20230207014207.1678715-3-saravanak@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Stable-dep-of: 3fb16866b5 ("driver core: fw_devlink: Make cycle detection more robust")
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-03-10 09:33:38 +01:00
arch alpha/boot/tools/objstrip: fix the check for ELF header 2023-03-10 09:33:30 +01:00
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drivers driver core: fw_devlink: Improve check for fwnode with no device/driver 2023-03-10 09:33:38 +01:00
fs
include driver core: fw_devlink: Consolidate device link flag computation 2023-03-10 09:33:37 +01:00
init
io_uring
ipc
kernel
lib kobject: Fix slab-out-of-bounds in fill_kobj_path() 2023-03-10 09:33:30 +01:00
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Linux kernel
============

There are several guides for kernel developers and users. These guides can
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In order to build the documentation, use ``make htmldocs`` or
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There are various text files in the Documentation/ subdirectory,
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Please read the Documentation/process/changes.rst file, as it contains the
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