diff options
Diffstat (limited to 'Documentation/core-api/irq/irq-domain.rst')
| -rw-r--r-- | Documentation/core-api/irq/irq-domain.rst | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/Documentation/core-api/irq/irq-domain.rst b/Documentation/core-api/irq/irq-domain.rst index 6979b4af2c1f..d30b4d0a9769 100644 --- a/Documentation/core-api/irq/irq-domain.rst +++ b/Documentation/core-api/irq/irq-domain.rst @@ -67,9 +67,6 @@ variety of methods: deprecated - generic_handle_domain_irq() handles an interrupt described by a domain and a hwirq number -- handle_domain_irq() does the same thing for root interrupt - controllers and deals with the set_irq_reg()/irq_enter() sequences - that most architecture requires Note that irq domain lookups must happen in contexts that are compatible with a RCU read-side critical section. @@ -175,9 +172,10 @@ for IRQ numbers that are passed to struct device registrations. In that case the Linux IRQ numbers cannot be dynamically assigned and the legacy mapping should be used. -As the name implies, the *_legacy() functions are deprecated and only +As the name implies, the \*_legacy() functions are deprecated and only exist to ease the support of ancient platforms. No new users should be -added. +added. Same goes for the \*_simple() functions when their use results +in the legacy behaviour. The legacy map assumes a contiguous range of IRQ numbers has already been allocated for the controller and that the IRQ number can be |