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ioread/iowrite vs read/write vs read_relaxed/write_relaxedの違い

    • Linuxのドライバで使われるioread/iowrite、read/write、read_relaxed/write_relaxedの違い

    request_irqとdevm_request_irqの違い

    • IRQは、interrupt requestの略です。Linuxのドライバで使われるrequest_irqとdevm_request_irqの