On Fri, Oct 11, 2019 at 09:34:59AM +0100, Jon Hunter wrote:
> Commit 7723f4c5ecdb ("driver core: platform: Add an error message to
> platform_get_irq*()") added an error message to avoid drivers having
> to print an error message when IRQ lookup fails. However, there are
> some cases where IRQs are optional and so new optional versions of
> the platform_get_irq*() APIs have been added for these cases.
>
> The IRQs for Tegra HSP module are optional because not all instances
> of the module have the doorbell and all of the shared interrupts.
> Hence, since the above commit was applied the following error messages
> are now seen on Tegra194 ...
>
> ERR KERN tegra-hsp c150000.hsp: IRQ doorbell not found
> ERR KERN tegra-hsp c150000.hsp: IRQ shared0 not found
>
> The Tegra HSP driver deliberately does not fail if these are not found
> and so fix the above errors by updating the Tegra HSP driver to use
> the platform_get_irq_byname_optional() API.
>
> Signed-off-by: Jon Hunter <jonathanh@xxxxxxxxxx>
> ---
> drivers/mailbox/tegra-hsp.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
Perhaps Greg should pick up this patch because he's carrying the patch
that adds the platform_get_irq_byname_optional() patch for v5.5.
Greg, would you prefer a copy of this in your mailbox, or does the
following patchwork link suffice:
http://patchwork.ozlabs.org/patch/1175012/
Either way, this patch:
Acked-by: Thierry Reding <treding@xxxxxxxxxx>
Thierry
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