[PATCH 08/14] mfd: Add IRQ domain support for the AB8500
From: Lee Jones <hidden>
Date: 2012-06-15 12:49:51
Also in:
lkml
From: Lee Jones <hidden>
Date: 2012-06-15 12:49:51
Also in:
lkml
On 14/06/12 19:32, Mark Brown wrote:
On Mon, Jun 11, 2012 at 04:25:01PM +0100, Lee Jones wrote:quoted
+ if (np) { + ab8500->domain = irq_domain_add_linear( + np, num_irqs,&ab8500_irq_ops, ab8500); + } + else { + ab8500->domain = irq_domain_add_legacy( + NULL, num_irqs, ab8500->irq_base, + 0,&ab8500_irq_ops, ab8500); + }This is odd, why are you forcing non-DT systems to use a legacy mapping? The more usual approach is to use a legacy mapping if and only if a base for the legacy range has been provided, otherwise the system will needlessly fail to initialise the device...
Makes sense. I'll re-submit.
quoted
+ if (!(ab8500->irq_base || np)) { + dev_info(&pdev->dev, "couldn't find irq-base and not doing DT boot\n");...like this. See regmap_irq for an example.
-- Lee Jones Linaro ST-Ericsson Landing Team Lead M: +44 77 88 633 515 Linaro.org ? Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog