Thread (27 messages) 27 messages, 6 authors, 2016-10-25

Re: [PATCH v2 01/14] irqchip: i8259: Add domain before mapping parent irq

From: Thomas Gleixner <hidden>
Date: 2016-09-30 18:43:49
Also in: lkml

On Fri, 30 Sep 2016, Paul Burton wrote:
On Monday, 19 September 2016 22:21:18 BST Paul Burton wrote:
quoted
Mapping the parent IRQ will use a virq number which may conflict with
the hardcoded I8259A_IRQ_BASE..I8259A_IRQ_BASE+15 range that the i8259
driver expects to be free. If this occurs then we'll hit errors when
adding the i8259 IRQ domain, since one of its virq numbers will already
be in use.

Avoid this by adding the i8259 domain before mapping the parent IRQ,
such that the i8259 virq numbers become used before the parent interrupt
controller gets a chance to use any of them.
Hello,

Any chance of getting reviews/acks on this & the following 2 patches in the 
series so Ralf can take them through the MIPS tree? The lack of these (well, 
patches 1 & 2 anyway) blocks applying many of the Malta patches later in the 
series.
Acked-by: Thomas Gleixner <redacted>
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