Re: [PATCH 2/2] crypto: hisilicon - avoid unused function warning

From: Zhou Wang
Date: Thu Sep 19 2019 - 04:11:31 EST


On 2019/9/13 17:17, Herbert Xu wrote:
> On Fri, Sep 06, 2019 at 05:22:30PM +0200, Arnd Bergmann wrote:
>> The only caller of hisi_zip_vf_q_assign() is hidden in an #ifdef,
>> so the function causes a warning when CONFIG_PCI_IOV is disabled:
>>
>> drivers/crypto/hisilicon/zip/zip_main.c:740:12: error: unused function 'hisi_zip_vf_q_assign' [-Werror,-Wunused-function]
>>
>> Move it into the same #ifdef.
>>
>> Fixes: 79e09f30eeba ("crypto: hisilicon - add SRIOV support for ZIP")
>> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
>> ---
>> drivers/crypto/hisilicon/zip/zip_main.c | 2 ++
>> 1 file changed, 2 insertions(+)
>
> Please find a way to fix this warning without reducing compiler
> coverage. I prefer to see any compile issues immediately rather
> than through automated build testing.
>
> Thanks,
>

Sorry for missing this patch.

Seems other drivers also do like using #ifdef. Do you mean something like this:
#ifdef CONFIG_PCI_IOV
sriov_enable()
...
#else
/* stub */
sriov_enable()
...
#endif

Best,
Zhou