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SubjectRe: [PATCH v3] PCI: endpoint: pci-epf-vntb: reduce several globals to statics
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@redhat.com>

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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