Re: [PATCH v3] PCI: endpoint: pci-epf-vntb: reduce several globals to statics

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On Mon, Jul 04, 2022 at 09:25:59AM -0400, Tom Rix wrote:
> sparse reports
> drivers/pci/endpoint/functions/pci-epf-vntb.c:956:10: warning: symbol 'pci_space' was not declared. Should it be static?
> drivers/pci/endpoint/functions/pci-epf-vntb.c:975:5: warning: symbol 'pci_read' was not declared. Should it be static?
> drivers/pci/endpoint/functions/pci-epf-vntb.c:984:5: warning: symbol 'pci_write' was not declared. Should it be static?
> drivers/pci/endpoint/functions/pci-epf-vntb.c:989:16: warning: symbol 'vpci_ops' was not declared. Should it be static?
> 
> These functions and variables are only used in pci-epf-vntb.c, so their storage
> class specifiers should be static.
> 
> Fixes: ff32fac00d97 ("NTB: EPF: support NTB transfer between PCI RC and EP connection")
> Signed-off-by: Tom Rix <trix@xxxxxxxxxx>

Handled via Jon, I guess?

I'm unclear on the future direction of pci-epf-vntb.c.  Jon, are you
signing up to maintain this?  MAINTAINERS doesn't seem to reflect
that, even in next-20220712, so you're not being copied on everything.

If you are planning to merge and maintain this file, it would be
helpful to me if you acknowledge patches you merge so I know to ignore
them.

> ---
> v2,3 : Change commit prefix
> 
> ---
>  drivers/pci/endpoint/functions/pci-epf-vntb.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/pci/endpoint/functions/pci-epf-vntb.c b/drivers/pci/endpoint/functions/pci-epf-vntb.c
> index ebf7e243eefa..6f0775b1fec3 100644
> --- a/drivers/pci/endpoint/functions/pci-epf-vntb.c
> +++ b/drivers/pci/endpoint/functions/pci-epf-vntb.c
> @@ -953,7 +953,7 @@ static struct config_group *epf_ntb_add_cfs(struct pci_epf *epf,
>  
>  #define VPCI_BUS_NUM 0x10
>  
> -uint32_t pci_space[] = {
> +static uint32_t pci_space[] = {
>  	(VNTB_VID | (VNTB_PID << 16)),	//DeviceID, Vendor ID
>  	0,		// status, Command
>  	0xffffffff,	// Class code, subclass, prog if, revision id
> @@ -972,7 +972,7 @@ uint32_t pci_space[] = {
>  	0,		//Max Lat, Min Gnt, interrupt pin, interrupt line
>  };
>  
> -int pci_read(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 *val)
> +static int pci_read(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 *val)
>  {
>  	if (devfn == 0) {
>  		memcpy(val, ((uint8_t *)pci_space) + where, size);
> @@ -981,12 +981,12 @@ int pci_read(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 *
>  	return -1;
>  }
>  
> -int pci_write(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 val)
> +static int pci_write(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 val)
>  {
>  	return 0;
>  }
>  
> -struct pci_ops vpci_ops = {
> +static struct pci_ops vpci_ops = {
>  	.read = pci_read,
>  	.write = pci_write,
>  };
> -- 
> 2.27.0
> 



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