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89f55d04c6
Add a lifetime parameter to IoMem<'a, SIZE> and ExclusiveIoMem<'a, SIZE>, storing a &'a Device<Bound> reference to tie the mapping to the device's lifetime. This mirrors the pci::Bar<'a, SIZE> design and enables drivers to hold I/O memory mappings directly in their HRT private data, tied to the device lifetime. IoRequest::iomap_* methods now return the mapping directly instead of wrapping it in Devres. Callers that need device-managed revocation can call the new into_devres() method. Acked-by: Uwe Kleine-König <ukleinek@kernel.org> Reviewed-by: Eliot Courtney <ecourtney@nvidia.com> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Reviewed-by: Alexandre Courbot <acourbot@nvidia.com> Reviewed-by: Gary Guo <gary@garyguo.net> Link: https://patch.msgid.link/20260525202921.124698-20-dakr@kernel.org Signed-off-by: Danilo Krummrich <dakr@kernel.org> |
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