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| author | Darius Augulis <augulis.darius@gmail.com> | 2008-09-09 11:29:41 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2008-09-09 12:13:50 +0200 |
| commit | 479c901f59762732dee305166ae477171cae3617 (patch) | |
| tree | b061499771021b431d54ec46fe66b3b31be4a37f /arch/arm/plat-mxc/Kconfig | |
| parent | i.MX31ADS: Add CPLD interrupts demultiplexing (take 3). (diff) | |
| download | linux-479c901f59762732dee305166ae477171cae3617.tar.xz linux-479c901f59762732dee305166ae477171cae3617.zip | |
MXC: Lets handle IRQ by priority, defined with exported API function
Signed-off-by: Darius Augulis <augulis.darius@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/plat-mxc/Kconfig')
| -rw-r--r-- | arch/arm/plat-mxc/Kconfig | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm/plat-mxc/Kconfig b/arch/arm/plat-mxc/Kconfig index e14eaad11dd5..b2a7e3fad117 100644 --- a/arch/arm/plat-mxc/Kconfig +++ b/arch/arm/plat-mxc/Kconfig @@ -23,4 +23,15 @@ source "arch/arm/mach-mx3/Kconfig" endmenu +config MXC_IRQ_PRIOR + bool "Use IRQ priority" + depends on ARCH_MXC + help + 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. + endif |