On Wed, Apr 05, 2017 at 12:03:34AM +0200, Hans de Goede wrote: > By default the i2c-core will try to get an irq with index 0 on ACPI / of > instantiated devices. This is troublesome on some ACPI systems where the > irq info at index 0 in the CRS table may contain nonsense and/or point > to an irqchip for which there is no Linux driver. > > If this happens then before this commit the driver's probe method would > never get called because i2c_device_probe will try to get an irq by > calling acpi_dev_gpio_irq_get which will always return -EPROBE in this > case, as it waits for a matching irqchip driver to load. Thus causing > the driver to not get a chance to bind. > > This commit adds a new disable_i2c_core_irq_mapping flag to struct > i2c_driver which a driver can set to tell the core to skip irq mapping. > > Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx> Applied to for-next, thanks!
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