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Tony Lindgren
52414739ca
On omap24xx, INTCPS_SIR_IRQ_OFFSET bits [6:0] contains the current active interrupt number. However, on 34xx INTCPS_SIR_IRQ_OFFSET bits [31:7] also contains the SPURIOUSIRQFLAG, which gets set if the interrupt sorting information is invalid. If the SPURIOUSIRQFLAG bits are not ignored, the interrupt code will occasionally produce a bunch of confusing errors: irq -33, desc: c02ddcc8, depth: 0, count: 0, unhandled: 0 ->handle_irq(): c006f23c, handle_bad_irq+0x0/0x22c ->chip(): 00000000, 0x0 ->action(): 00000000 Fix this by masking out only the ACTIVEIRQ bits. Also fix a confusing comment. Signed-off-by: Tony Lindgren <tony@atomide.com>