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This reverts commit 5a95f1de.

As long as allocating any device interrupt vector for MSI, it is
inconvenient to utilize managed device resources for IRQ requesting.

Link: https://lore.kernel.org/r/20240331135037.191479-2-o-takashi@sakamocchi.jp

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>