CONFIG_MXC_IRQ_PRIOR: Use IRQ priority

General informations

The Linux kernel configuration item CONFIG_MXC_IRQ_PRIOR has multiple definitions:

Use IRQ priority found in arch/arm/mach-imx/Kconfig

The configuration item CONFIG_MXC_IRQ_PRIOR:

• prompt: Use IRQ priority
• type: bool
• depends on: (none)
• defined in arch/arm/mach-imx/Kconfig
• found in Linux kernels: 3.8–3.13

Help text

Select this if you want to use prioritized IRQ handling. This feature prevents higher priority ISR to be interrupted by lower priority IRQ. This may be useful in embedded applications, where are strong requirements for timing. Say N here, unless you have a specialized requirement.

Use IRQ priority found in arch/arm/plat-mxc/Kconfig

The configuration item CONFIG_MXC_IRQ_PRIOR:

• prompt: Use IRQ priority
• type: bool
• depends on: (none)
• defined in arch/arm/plat-mxc/Kconfig
• found in Linux kernels: 2.6.28–2.6.39, 3.0–3.7

Help text

Select this if you want to use prioritized IRQ handling. This feature prevents higher priority ISR to be interrupted by lower priority IRQ even IRQF_DISABLED flag is not set. This may be useful in embedded applications, where are strong requirements for timing. Say N here, unless you have a specialized requirement.

Hardware

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Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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