linux-kernel - Re: [PATCH v2] PCI: Fix kerneldoc of pci_vc_do_save

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Date:   Wed, 29 Jul 2020 21:27:17 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Bjorn Helgaas <helgaas@...nel.org>
Cc:     Bjorn Helgaas <bhelgaas@...gle.com>, linux-pci@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] PCI: Fix kerneldoc of pci_vc_do_save_buffer()

On Wed, Jul 29, 2020 at 02:24:16PM -0500, Bjorn Helgaas wrote:
> On Wed, Jul 29, 2020 at 08:26:20AM +0200, Krzysztof Kozlowski wrote:
> > Fix W=1 compile warnings (invalid kerneldoc):
> > 
> >     drivers/pci/vc.c:188: warning: Excess function parameter 'name' description in 'pci_vc_do_save_buffer'
> > 
> > Signed-off-by: Krzysztof Kozlowski <krzk@...nel.org>
> 
> This looks great, but would you mind doing all the ones in drivers/pci
> at the same time?  When I tested this, I also found the following, and
> I don't think it's worth doing them one at a time:
> 
>   $ make W=1 drivers/pci/
>   drivers/pci/hotplug/acpi_pcihp.c:69: warning: Function parameter or member 'pdev' not described in 'acpi_get_hp_hw_control_from_firmware'
>   drivers/pci/hotplug/acpi_pcihp.c:69: warning: Excess function parameter 'dev' description in 'acpi_get_hp_hw_control_from_firmware'
>   drivers/pci/hotplug/acpi_pcihp.c:199: warning: Function parameter or member 'handle' not described in 'acpi_pci_detect_ejectable'
>   drivers/pci/endpoint/functions/pci-epf-test.c:189: warning: Function parameter or member 'epf_test' not described in 'pci_epf_test_clean_dma_chan'
>   drivers/pci/endpoint/functions/pci-epf-test.c:189: warning: Excess function parameter 'epf' description in 'pci_epf_test_clean_dma_chan'
>   drivers/pci/endpoint/pci-ep-cfs.c:17: warning: Function parameter or member 'functions_idr' not described in 'DEFINE_IDR'
>   drivers/pci/endpoint/pci-epc-core.c:18: warning: cannot understand function prototype: 'struct class *pci_epc_class; '
>   drivers/pci/endpoint/pci-epf-core.c:18: warning: Function parameter or member 'pci_epf_mutex' not described in 'DEFINE_MUTEX'
>   drivers/pci/endpoint/pci-epf-core.c:80: warning: Function parameter or member 'epf' not described in 'pci_epf_free_space'
>   drivers/pci/endpoint/pci-epf-core.c:107: warning: Function parameter or member 'epf' not described in 'pci_epf_alloc_space'
>   drivers/pci/endpoint/pci-epc-mem.c:16: warning: Incorrect use of kernel-doc format:  * pci_epc_mem_get_order() - determine the allocation order of a memory size
>   drivers/pci/endpoint/pci-epc-mem.c:24: warning: Function parameter or member 'mem' not described in 'pci_epc_mem_get_order'
>   drivers/pci/endpoint/pci-epc-mem.c:24: warning: Function parameter or member 'size' not described in 'pci_epc_mem_get_order'
>   drivers/pci/setup-bus.c:62: warning: Function parameter or member 'min_align' not described in 'add_to_list'
>   drivers/pci/vc.c:188: warning: Excess function parameter 'name' description in 'pci_vc_do_save_buffer'
>   drivers/pci/of.c:262: warning: Function parameter or member 'ib_resources' not described in 'devm_of_pci_get_host_bridge_resources'
>   drivers/pci/ats.c:196: warning: Function parameter or member 'pdev' not described in 'pci_enable_pri'
>   drivers/pci/ats.c:196: warning: Function parameter or member 'reqs' not described in 'pci_enable_pri'
>   drivers/pci/pci-pf-stub.c:20: warning: cannot understand function prototype: 'const struct pci_device_id pci_pf_stub_whitelist[] = '

Sure, I can work on more of them. Somehow this one got enabled on my
build (usually it does not contain PCI) and I decided to fix it.

It's a compiler warning so still even one-at-a-time brings us closer to
clean builds.

Best regards,
Krzysztof