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  1. #1

    Linux device drivers


    I am new learner of Linux device drivers can any one explain the polling & interrupt driven in device drivers

  2. #2
    Linux Guru lakerdonald's Avatar
    Join Date
    Jun 2004
    St. Petersburg, FL
    Basically, a poll-driven driver polls the device at a regular, but very small, interval, to see if there's activity. Interrupt-driven drivers wait for an IRQ from the device and respond accordingly.
    Beyond that basic description, I suggest you get yourself a copy of O'REILLY's Linux Device Drivers -- 3rd Edition.

  3. #3
    this will useful for me

  4. $spacer_open

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