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| author | Johannes Weiner <jw@emlix.com> | 2009-03-04 16:21:31 +0100 |
|---|---|---|
| committer | Chris Zankel <chris@zankel.net> | 2009-04-02 23:43:01 -0700 |
| commit | 4c0d214144bcedc0b3582c88d6313055949755b5 (patch) | |
| tree | ec732f465e7b4df0aaab5fbc018d146984df9e85 | |
| parent | 72197b18bc0e86feba7cc9f907551e30948bd526 (diff) | |
| download | lwn-4c0d214144bcedc0b3582c88d6313055949755b5.tar.gz lwn-4c0d214144bcedc0b3582c88d6313055949755b5.zip | |
xtensa: variant irq set callbacks
Allow the core variant code to provide irq enable/disable callbacks.
Signed-off-by: Johannes Weiner <jw@emlix.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
| -rw-r--r-- | arch/xtensa/Kconfig | 3 | ||||
| -rw-r--r-- | arch/xtensa/include/asm/irq.h | 7 | ||||
| -rw-r--r-- | arch/xtensa/kernel/irq.c | 14 |
3 files changed, 24 insertions, 0 deletions
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig index cf2501b5afd4..705bb71af245 100644 --- a/arch/xtensa/Kconfig +++ b/arch/xtensa/Kconfig @@ -51,6 +51,9 @@ source "kernel/Kconfig.freezer" config MMU def_bool n +config VARIANT_IRQ_SWITCH + def_bool n + menu "Processor type and features" choice diff --git a/arch/xtensa/include/asm/irq.h b/arch/xtensa/include/asm/irq.h index 1620d1e0e695..dfac82dc52ad 100644 --- a/arch/xtensa/include/asm/irq.h +++ b/arch/xtensa/include/asm/irq.h @@ -14,6 +14,13 @@ #include <platform/hardware.h> #include <variant/core.h> +#ifdef CONFIG_VARIANT_IRQ_SWITCH +#include <variant/irq.h> +#else +static inline void variant_irq_enable(unsigned int irq) { } +static inline void variant_irq_disable(unsigned int irq) { } +#endif + #ifndef PLATFORM_NR_IRQS # define PLATFORM_NR_IRQS 0 #endif diff --git a/arch/xtensa/kernel/irq.c b/arch/xtensa/kernel/irq.c index f3b66fba5b8f..a36c85edd045 100644 --- a/arch/xtensa/kernel/irq.c +++ b/arch/xtensa/kernel/irq.c @@ -132,6 +132,18 @@ static void xtensa_irq_unmask(unsigned int irq) set_sr (cached_irq_mask, INTENABLE); } +static void xtensa_irq_enable(unsigned int irq) +{ + variant_irq_enable(irq); + xtensa_irq_unmask(irq); +} + +static void xtensa_irq_disable(unsigned int irq) +{ + xtensa_irq_mask(irq); + variant_irq_disable(irq); +} + static void xtensa_irq_ack(unsigned int irq) { set_sr(1 << irq, INTCLEAR); @@ -146,6 +158,8 @@ static int xtensa_irq_retrigger(unsigned int irq) static struct irq_chip xtensa_irq_chip = { .name = "xtensa", + .enable = xtensa_irq_enable, + .disable = xtensa_irq_disable, .mask = xtensa_irq_mask, .unmask = xtensa_irq_unmask, .ack = xtensa_irq_ack, |