On Sun, May 14, 2023 at 12:36:32PM +0200, Marius Hoch wrote: > The Dell Latitude E7450 uses IRQ 18 for the accelerometer, > but also claims that the SMBus uses IRQ 18. This will > result in: > > i801_smbus 0000:00:1f.3: PCI INT C: failed to register GSI > i801_smbus 0000:00:1f.3: Failed to enable SMBus PCI device (-16) > i801_smbus: probe of 0000:00:1f.3 failed with error -16 > > Force the SMBus IRQ to IRQ_NOTCONNECTED in this case, so that > we fall back to polling, which also seems to be what the (very > dated) Windows 7 drivers on the Dell Latitude E7450 do. > > This was tested on Dell Latitude E7450. > > I chose to explicitly list all affected devices here, but > alternatively it would be possible to do this programmatically: > If the initial pcim_enable_device fails and we're on (any) > Dell Latitude, re-try with IRQ_NOTCONNECTED. > > Marius Hoch (2): > i2c: i801: Force no IRQ for Dell Latitude E7450 > i2c: i801: Force no IRQ for further Dell Latitudes > > drivers/i2c/busses/i2c-i801.c | 34 ++++++++++++++++++++++++++++++++++ > 1 file changed, 34 insertions(+) Where are we with this patch set? Other solution found already? Discussion stalled? Too much other things going on?
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