Re: [PATCH 7.1 326/438] i2c: designware: defer probe if child GpioInt controllers are not bound
Thorsten Leemhuis <[email protected]>
| Newsgroups | dev.linux.lists.patches,org.kernel.vger.stable |
|---|---|
| Message-ID | <[email protected]> |
On 8/7/26 16:38, Greg Kroah-Hartman wrote: > 7.1-stable review patch. If anyone has any objections, please let me know. > > ------------------ > > From: Hardik Prakash <[email protected]> > > commit 0a4bb2abc3e56d7be6e69b050c88ba52c87e22bf upstream. > > I2C controllers may have child devices with GpioInt resources that > depend on GPIO controllers being fully initialized. If the I2C > controller probes and enumerates children before the referenced GPIO > controller has completed probe, GPIO interrupts may not be properly > configured, leading to device failures.> [...] Hi Greg, just noticed yesterday with mainline that this change broke the touchpad of my ThinkPad T14s Gen 4 (AMD), so you might want to consider not backporting it for now: https://lore.kernel.org/all/[email protected]/ Ciao, Thorsten