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The fdt_ipi_init() is already called from generic_early_init() so
let's convert IPI drivers as early drivers.
Signed-off-by: Anup Patel <[email protected]>
Reviewed-by: Samuel Holland <[email protected]>
Tested-by: Nick Hu <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Anup Patel <[email protected]>
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The ipi driver subsystem does not need any extra data, so it can use
`struct fdt_driver` directly. The generic fdt_ipi_init() performs a
best-effort initialization of all matching DT nodes.
Signed-off-by: Samuel Holland <[email protected]>
Reviewed-by: Anup Patel <[email protected]>
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Now that the SBI IPI core clears IPIs at warm boot in a generic way,
none of the drivers or platforms use these hooks, and we can remove
them. Platforms need only to initialize the driver once during cold
init. If other hooks are needed in the future, they can be added to
struct sbi_ipi_device.
Signed-off-by: Samuel Holland <[email protected]>
Reviewed-by: Anup Patel <[email protected]>
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Indicate that none of these functions modify the devicetree by
constifying the parameter type.
Signed-off-by: Samuel Holland <[email protected]>
Reviewed-by: Andrew Jones <[email protected]>
Reviewed-by: Anup Patel <[email protected]>
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We update ipi drivers makefile to use kconfig for enabling/disabling
drivers. To avoid compile errors, we also enable appropriate ipi
drivers for each platform.
Signed-off-by: Anup Patel <[email protected]>
Tested-by: Andrew Jones <[email protected]>
Acked-by: Atish Patra <[email protected]>
Tested-by: Atish Patra <[email protected]>
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Instead of having ipi_send() and ipi_clear() callbacks in
platform operations, it will be much simpler for ipi driver
to directly register these operations as a device to sbi_ipi
implementation.
Signed-off-by: Anup Patel <[email protected]>
Reviewed-by: Alistair Francis <[email protected]>
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We add simple ipi framework which will select and use ipi driver
based on details in FDT passed by previous booting stage.
Signed-off-by: Anup Patel <[email protected]>
Reviewed-by: Atish Patra <[email protected]>
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