[PATCH net-next] net: stmmac: fix stmmac_simple_pm_ops build errors

[Andrew Lunn]

On Wed, Aug 20, 2025 at 03:30:40PM +0100, Russell King (Oracle) wrote:
> The kernel test robot reports that various drivers have an undefined
> reference to stmmac_simple_pm_ops. This is caused by
> EXPORT_SYMBOL_GPL_SIMPLE_DEV_PM_OPS() defining the struct as static
> and omitting the export when CONFIG_PM=n, unlike DEFINE_SIMPLE_PM_OPS()
> which still defines the struct non-static.
> 
> Switch to using DEFINE_SIMPLE_PM_OPS() + EXPORT_SYMBOL_GPL(), which
> means we always define stmmac_simple_pm_ops, and it will always be
> visible for dwmac-* to reference whether modular or built-in.
> 
> Reported-by: kernel test robot <lkp at intel.com>
> Closes: https://lore.kernel.org/oe-kbuild-all/202508132051.a7hJXkrd-lkp@intel.com/
> Closes: https://lore.kernel.org/oe-kbuild-all/202508132158.dEwQdick-lkp@intel.com/
> Closes: https://lore.kernel.org/oe-kbuild-all/202508140029.V6tDuUxc-lkp@intel.com/
> Closes: https://lore.kernel.org/oe-kbuild-all/202508161406.RwQuZBkA-lkp@intel.com/
> Signed-off-by: Russell King (Oracle) <rmk+kernel at armlinux.org.uk>

Reviewed-by: Andrew Lunn <andrew at lunn.ch>

    Andrew