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Hai I am new learner of Linux device drivers can any one explain the polling & interrupt driven in device drivers...
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  1. #1
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    Linux device drivers


    Hai

    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
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    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
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    Thanks
    this will useful for me

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