Re: [PATCH 30/34] sata: mv: drop unnecessary #ifdef checks

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On Wed, Apr 3, 2024, at 10:32, Damien Le Moal wrote:
> On 4/3/24 17:06, Arnd Bergmann wrote:
>> From: Arnd Bergmann <arnd@xxxxxxxx>
>> Building with W=1 shows a warning for an unused variable when CONFIG_PCI
>> is diabled:
>> drivers/ata/sata_mv.c:790:35: error: unused variable 'mv_pci_tbl' [-Werror,-Wunused-const-variable]
>> static const struct pci_device_id mv_pci_tbl[] = {
>> Move the table into the same block that containsn the pci_driver
>> definition.
>> Fixes: 7bb3c5290ca0 ("sata_mv: Remove PCI dependency")
>> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> The patch title is also not describing what the patch does.
> Are you OK with changing that to:
> ata: sata_mv: Fix PCI device ID table declaration warning
> ?

Yes, please do, thanks!

I had first tried to remove all the #ifdef checks and just
rely on dead-code-elimination doing the same when
pci_register_driver() is stubbed out and IS_ENABLED(CONFIG_OF)
checks turn off the rest. Unfortunately, the include/linux/pci.h
interfaces are not all stubbed out here and cause compile-time
failures without CONFIG_PCI, so that didn't work out.


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