[PATCH 4/4] irqchip/alpine-msi: Add debug logging for MSI allocation

[Farber, Eliav]

On Sat, 2026-10-24 at 14:47 -0400, Radu Rendec wrote:
> On Wed, 2026-09-23 at 08:37 +0000, Eliav Farber wrote:
>> Add log messages to help follow the driver flow when debugging: an
>> info message on successful initialisation, and debug messages on the
>> MSI interrupt allocation and free paths.

[...]

>> +    pr_info("initialized successfully, spi %d to %d\n",
>> +            priv->spi_first, priv->spi_first + priv->num_spis - 1);
>> +
>>      retain_and_null_ptr(priv);
>>      retain_and_null_ptr(msi_map);
>>      return 0;
>
> Not that this matters in reality (because all these numbers are "small")
> but for the sake of correctness: all the variables you added messages
> for are unsigned, so you should use %u on them.

Thanks for the review. Fixed in v2: all the new messages use %u.

> Since you're cleaning up this driver, you may want to look at the other
> prints. For example, the existing pr_debug() in alpine_msix_init() has
> the same problem.

Fixed in a separate patch in v2, which also corrects the wording of that
message. The other prints in the driver are pr_err() calls without any
arguments, so nothing else needed changing.

Thanks,
Eliav