Re: [PATCH v2] PCI: Fix kerneldoc of pci_vc_do_save_buffer()

From: Bjorn Helgaas
Date: Wed Jul 29 2020 - 15:24:22 EST


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@xxxxxxxxxx>

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[] = '

> ---
>
> Changes since v1:
> 1. Fix subject
> ---
> drivers/pci/vc.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/drivers/pci/vc.c b/drivers/pci/vc.c
> index 5486f8768c86..5fc59ac31145 100644
> --- a/drivers/pci/vc.c
> +++ b/drivers/pci/vc.c
> @@ -172,7 +172,6 @@ static void pci_vc_enable(struct pci_dev *dev, int pos, int res)
> * @dev: device
> * @pos: starting position of VC capability (VC/VC9/MFVC)
> * @save_state: buffer for save/restore
> - * @name: for error message
> * @save: if provided a buffer, this indicates what to do with it
> *
> * Walking Virtual Channel config space to size, save, or restore it
> --
> 2.17.1
>