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CONFIG_PARPORT_PC_FIFO: Use FIFO/DMA if available

General informations

The Linux kernel configuration item CONFIG_PARPORT_PC_FIFO has multiple definitions:

Use FIFO/DMA if available (EXPERIMENTAL) found in drivers/parport/Kconfig

The configuration item CONFIG_PARPORT_PC_FIFO:

Help text

Many parallel port chipsets provide hardware that can speed up printing. Say Y here if you want to take advantage of that.

As well as actually having a FIFO, or DMA capability, the kernel will need to know which IRQ the parallel port has. By default, parallel port interrupts will not be used, and so neither will the FIFO. See Documentation/parport.txt to find out how to specify which IRQ/DMA to use.

Use FIFO/DMA if available found in drivers/parport/Kconfig

The configuration item CONFIG_PARPORT_PC_FIFO:

Help text

Many parallel port chipsets provide hardware that can speed up printing. Say Y here if you want to take advantage of that.

As well as actually having a FIFO, or DMA capability, the kernel will need to know which IRQ the parallel port has. By default, parallel port interrupts will not be used, and so neither will the FIFO. See Documentation/parport.txt to find out how to specify which IRQ/DMA to use.

Hardware

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