[PATCH 1/3] PCI: meson: Remove cast between incompatible function type

Krzysztof Wilczyński kwilczynski at kernel.org
Tue Jul 4 09:16:00 PDT 2023


Hello,

> Rather than casting void(*)(struct clk *) to void (*)(void *), that
> forces conversion to an incompatible function type, replace the cast
> with a small local stub function with a signature that matches what
> the devm_add_action_or_reset() function expects.
> 
> The sub function takes a void *, then passes it directly to
> clk_disable_unprepare(), which handles the more specific type.
> 
> Reported by clang when building with warnings enabled:
> 
>   drivers/pci/controller/dwc/pci-meson.c:191:6: warning: cast from 'void (*)(struct clk *)' to 'void (*)(void *)' converts to incompatible function type [-Wcast-function-type-strict]
>                                    (void (*) (void *))clk_disable_unprepare,
>                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> No functional changes are intended.

Applied to controller/remove-void-cast, thank you everyone!

[01/03] PCI: meson: Remove cast between incompatible function type
	https://git.kernel.org/pci/pci/c/60fce60ab7b6
[02/03] PCI: keembay: Remove cast between incompatible function type
	https://git.kernel.org/pci/pci/c/43a2eef7cbba
[03/03] PCI: microchip: Remove cast between incompatible function type
	https://git.kernel.org/pci/pci/c/9e4811ce626f

	Krzysztof



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