CONFIG_ETRAX_SERIAL_PORT2_DMA2_OUT: Ser2 uses DMA2 for output

General informations

The Linux kernel configuration item CONFIG_ETRAX_SERIAL_PORT2_DMA2_OUT has multiple definitions:

Ser2 uses DMA2 for output found in arch/cris/Kconfig

The configuration item CONFIG_ETRAX_SERIAL_PORT2_DMA2_OUT:

• prompt: Ser2 uses DMA2 for output
• type: bool
• depends on: CONFIG_ETRAXFS || CONFIG_ETRAX_ARCH_V10
• defined in arch/cris/Kconfig
• found in Linux kernels: 2.6.25–2.6.39, 3.0–3.19, 4.0–4.16

Help text

Enables the DMA2 output channel for ser2 (ttyS2). If you do not enable DMA, an interrupt for each character will be used when transmitting data. Normally you want to use DMA, unless you use the DMA channel for something else.

Ser2 uses DMA2 for output found in arch/cris/arch-v32/drivers/Kconfig

The configuration item CONFIG_ETRAX_SERIAL_PORT2_DMA2_OUT:

• prompt: Ser2 uses DMA2 for output
• type: bool
• depends on: CONFIG_ETRAX_SERIAL_PORT2
• defined in arch/cris/arch-v32/drivers/Kconfig
• found in Linux kernels: 2.6.13–2.6.24

Help text

Enables the DMA2 output channel for ser2 (ttyS2). If you do not enable DMA, an interrupt for each character will be used when transmitting data. Normally you want to use DMA, unless you use the DMA channel for something else.

DMA 2 found in arch/cris/arch-v10/drivers/Kconfig

The configuration item CONFIG_ETRAX_SERIAL_PORT2_DMA2_OUT:

• prompt: DMA 2
• type: bool
• depends on: (none)
• defined in arch/cris/arch-v10/drivers/Kconfig
• found in Linux kernels: 2.6.13–2.6.24

Help text

(none)

Hardware

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The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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