Re: [PATCH net-next v9 5/6] net: stmmac: configure SerDes according to the interface mode

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On Thu, 2025-03-06 at 20:56 +0800, Choong Yong Liang wrote:
> 
> 
> On 6/3/2025 5:05 pm, Andy Shevchenko wrote:
> > On Thu, Mar 6, 2025 at 10:39 AM Choong Yong Liang
> > <yong.liang.choong@xxxxxxxxxxxxxxx> wrote:
> > > On 6/3/2025 3:15 pm, Andy Shevchenko wrote:
> > > > Thu, Feb 27, 2025 at 08:15:21PM +0800, Choong Yong Liang kirjoitti:
> > ...
> > 
> > > > > config DWMAC_INTEL
> > > > >       default X86
> > > > >       depends on X86 && STMMAC_ETH && PCI
> > > > >       depends on COMMON_CLK
> > > > > +    depends on ACPI
> > > > Stray and unexplained change. Please, fix it. We don't need the
> > > > dependencies
> > > > which are not realised in the compile time.
> > > The dependency on ACPI is necessary because the intel_pmc_ipc.h header
> > > relies on ACPI functionality to interact with the Intel PMC.
> > So, that header has to be fixed as ACPI here is really unneeded
> > dependency for the cases when somebody (for whatever reasons) want to
> > build a kernel without ACPI support but with the driver enabled for
> > let's say PCI device.
> > 
> > 
> > -- With Best Regards, Andy Shevchenko
> 
> Hi Andy,
> 
> Thank you for your feedback, Andy.
> I appreciate your insights regarding the ACPI dependency.
> The intel_pmc_ipc.h header is under the ownership of David E Box, who 
> focuses on the platform code, while my focus is on the netdev.
> 
> Hi David,
> 
> if you could kindly look into making the ACPI dependency optional in the 
> intel_pmc_ipc.h header, it would be greatly appreciated.
> I am more than willing to provide any support necessary to ensure a smooth 
> resolution.

Choong you only need put the function under a #if CONFIG_ACPI block and provide
an alternative that returns an error when the code is not build. Like this,

#if CONFIG_ACPI
static inline int intel_pmc_ipc(struct pmc_ipc_cmd *ipc_cmd, struct pmc_ipc_rbuf
*rbuf)
{
   ...
}
#else
static inline int intel_pmc_ipc(struct pmc_ipc_cmd *ipc_cmd, struct pmc_ipc_rbuf
*rbuf) { return -ENODEV; }
#endif

David

> 
> This patch series has already been accepted, but we recognize the 
> importance of addressing this issue in the next patch series for upstream.
> Our goal is to ensure that the driver can be compiled and function 
> correctly in both ACPI and non-ACPI environments.
> 
> Thank you both for your understanding and collaboration.






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