Thread (12 messages) 12 messages, 4 authors, 2021-09-20

Re: [PATCH 0/4] Explicitly deny IRQ0 in the libata drivers

From: Sergey Shtylyov <hidden>
Date: 2021-05-10 20:50:07
Also in: linux-ide

Hello!

   What about this series?
   I got no feedback whatsoever -- it seems to have been lost.

On 3/21/21 9:50 PM, Sergey Shtylyov wrote:
Here are 4 patches against the 'master' branch of the Jens Axboe's 'linux-blobk.git'
repo plus the 'pataep_93xx' driver patch re-posted yesterday.  The affected drivers
use platform_get_irq() which may return IRQ0 (considered invalid, according to Linus)
that means polling when passed to ata_host_activate() called at the end of the probe
methods.
   I might not have been clear enough: 'irq == 0' means that the libata core would WARN about
the non-NULL 'handler' paramter which seems a to be a problem...
I think that the solution to this issue is to explicitly deny IRQ0 returned
by platform_get_irq()...
[...]

MBR, Sergei

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