diff options
| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2013-11-04 09:17:02 +0100 |
|---|---|---|
| committer | Shawn Guo <shawn.guo@linaro.org> | 2013-12-09 13:18:25 +0800 |
| commit | 81efe0fc67c72ca13eb402cc6de5c79f0f258932 (patch) | |
| tree | a18c3792b71dbb2f19b156b10a236cf573242536 /arch/arm/mach-imx/Kconfig | |
| parent | 5a269d22848777ad088e2d7883861cedc64972cf (diff) | |
ARM: imx: drop support for irq priorisation
The code for irq priorisation support doesn't have any in-tree users and
the Kconfig description does wrong promises because nowadays irq
handlers are called with irqs disabled, so no high prioritized irq can
interrupt a lower prioritized handler.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Diffstat (limited to 'arch/arm/mach-imx/Kconfig')
| -rw-r--r-- | arch/arm/mach-imx/Kconfig | 10 |
1 files changed, 0 insertions, 10 deletions
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig index 15c9ae368b58..94317294b41e 100644 --- a/arch/arm/mach-imx/Kconfig +++ b/arch/arm/mach-imx/Kconfig @@ -20,16 +20,6 @@ config ARCH_MXC menu "Freescale i.MX support" depends on ARCH_MXC -config MXC_IRQ_PRIOR - bool "Use IRQ priority" - help - 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. - config MXC_TZIC bool |