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Extend the structure 'mlxreg_hotplug_device" with platform device field to allow transition of the register map and system interrupt line number to underlying hotplug devices, sharing the same register map and same interrupt line with 'mlxreg-hotplug' driver. Extend logic for hotplug devices creation and removing according to the action associated with the hotplug device description. Previously hotplug driver was capable to attach / de-attach upon hotplug events only I2C devices handled by simple I2C drivers. Now it should be able to attach also devices handled by the platform drivers. The motivation is to allow transition of platform data like: - system interrupt line number, sharing with 'mlxreg-hotplug' to underlying hotplug devices. - shared register map of programmable devices on main board to underlying hotplug devices. Additioanlly the number of 'sysfs' attributes is increased, since modular system defines more 'sysfs' attributes. Signed-off-by: Vadim Pasternak <vadimp@nvidia.com> Reviewed-by: Michael Shych <michaelsh@nvidia.com> Link: https://lore.kernel.org/r/20211002093238.3771419-4-vadimp@nvidia.com Signed-off-by: Hans de Goede <hdegoede@redhat.com> |
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