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| author | John W. Linville <linville@tuxdriver.com> | 2012-09-07 15:07:55 -0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-09-07 15:07:55 -0400 |
| commit | fac805f8c198092de9a2842efd7f5022e2937b18 (patch) | |
| tree | 7557809c373f97a343c427d8fded0696060394ce /Documentation/IRQ-domain.txt | |
| parent | 2461c7d60f9f3821274e4acf9019cba8b82c94b5 (diff) | |
| parent | f10723841e624c0726c70356b31d91befed01dd6 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
Diffstat (limited to 'Documentation/IRQ-domain.txt')
| -rw-r--r-- | Documentation/IRQ-domain.txt | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/IRQ-domain.txt b/Documentation/IRQ-domain.txt index 27dcaabfb4d..1401cece745 100644 --- a/Documentation/IRQ-domain.txt +++ b/Documentation/IRQ-domain.txt @@ -93,6 +93,7 @@ Linux IRQ number into the hardware. Most drivers cannot use this mapping. ==== Legacy ==== +irq_domain_add_simple() irq_domain_add_legacy() irq_domain_add_legacy_isa() @@ -115,3 +116,7 @@ The legacy map should only be used if fixed IRQ mappings must be supported. For example, ISA controllers would use the legacy map for mapping Linux IRQs 0-15 so that existing ISA drivers get the correct IRQ numbers. + +Most users of legacy mappings should use irq_domain_add_simple() which +will use a legacy domain only if an IRQ range is supplied by the +system and will otherwise use a linear domain mapping. |