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| author | Greg Kroah-Hartman <[email protected]> | 2025-04-28 08:32:58 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <[email protected]> | 2025-04-28 08:32:58 +0000 |
| commit | 615dca38c2eae55aff80050275931c87a812b48c (patch) | |
| tree | 8674a3a3f66a39bf7c7f2ab733a757e624bd99ec /drivers/base/auxiliary.c | |
| parent | usb: gadget: u_serial: Implement remote wakeup capability (diff) | |
| parent | Linux 6.15-rc4 (diff) | |
| download | kernel-615dca38c2eae55aff80050275931c87a812b48c.tar.gz kernel-615dca38c2eae55aff80050275931c87a812b48c.zip | |
Merge 6.15-rc4 into usb-next
We need the USB fixes in here as well, and this resolves the following
merge conflicts that were reported in linux-next:
drivers/usb/chipidea/ci_hdrc_imx.c
drivers/usb/host/xhci.h
Reported-by: Stephen Rothwell <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
Diffstat (limited to 'drivers/base/auxiliary.c')
| -rw-r--r-- | drivers/base/auxiliary.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/base/auxiliary.c b/drivers/base/auxiliary.c index afa4df4c5a3f..95717d509ca9 100644 --- a/drivers/base/auxiliary.c +++ b/drivers/base/auxiliary.c @@ -156,6 +156,16 @@ * }, * .ops = my_custom_ops, * }; + * + * Please note that such custom ops approach is valid, but it is hard to implement + * it right without global locks per-device to protect from auxiliary_drv removal + * during call to that ops. In addition, this implementation lacks proper module + * dependency, which causes to load/unload races between auxiliary parent and devices + * modules. + * + * The most easiest way to provide these ops reliably without needing to + * have a lock is to EXPORT_SYMBOL*() them and rely on already existing + * modules infrastructure for validity and correct dependencies chains. */ static const struct auxiliary_device_id *auxiliary_match_id(const struct auxiliary_device_id *id, |