Re: [PATCH] i2c: i801: Fix Failed to allocate irq -2147483648 error

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On Sat, 25 Nov 2017 14:43:08 +0100, Hans de Goede wrote:
> On 11/24/2017 02:49 PM, Jean Delvare wrote:
> > Isn't it a BIOS bug?  
> 
> No, as mentioned in:
> 
> >> BugLink: https://communities.intel.com/thread/114759  
> 
> The BIOS deliberately does not contain IRQ routing issues because some
> variants of the Windows driver for this falling over if their is
> any IRQ routing set, so this is a "feature" not a bug :|

What I do not understand is how Apollo Lake systems are different from
any other Intel system, which already had a compatible SMBus controller
and apparently having an IRQ configured was never an issue?

> > (...)
> > However if this is considered a BIOS bug then a pr_err(FW_BUG...) would
> > be good to add IMHO.  
> 
> See above, that would just replace one error message with another on all
> Apollo Lake systems.

Turning a cryptic error message into a meaningful error message isn't
necessarily a bad thing.

-- 
Jean Delvare
SUSE L3 Support



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