Messages in this thread | | | From | Arnd Bergmann <> | Subject | Re: How to get the irq flags from the dts file | Date | Thu, 9 Aug 2012 11:48:42 +0000 |
| |
On Thursday 09 August 2012, Wei Ni wrote: > In the wlan driver, it will use platform_get_resource() to get the > res->irq, res->flags, the irq number is right, but the flags will be > IORESOURCE_IRQ, not the 0x04 (IRQF_TRIGGER_HIGH). > The wlan driver wish this flags include the IRQF_TRGGER_* information, > and it will use this flags to configure other hw settings. If it is > wrong, the wlan can't work. > > I checked drivers/of/irq.c, in function of_irq_to_resource(), it will > set r->flags = IORESOURCE_IRQ directly, not read the flags from the dtb > file. And I didn't find any of_xx api to get this flags. > > How can I get this flags, does anyone has suggestion?
The driver should not need to know about thie flag. It gets read by irq_create_of_mapping when calling teh xlate function and gets set using irq_set_irq_type from there too.
Arnd
| |