* [PATCH] PCI: fix unused variable warning
@ 2018-07-24 9:39 Arnd Bergmann
2018-07-24 11:31 ` Bjorn Helgaas
0 siblings, 1 reply; 2+ messages in thread
From: Arnd Bergmann @ 2018-07-24 9:39 UTC (permalink / raw)
To: Bjorn Helgaas
Cc: Alex Williamson, James Puthukattukaran, Arnd Bergmann,
Mika Westerberg, linux-pci, linux-kernel
The newly introduced function produces a warning without CONFIG_PCI_QUIRKS:
drivers/pci/probe.c: In function 'pci_bus_read_dev_vendor_id':
drivers/pci/probe.c:2221:18: error: unused variable 'bridge' [-Werror=unused-variable]
Move the variable declaration into that #ifdef to avoid the warning.
Fixes: ac5ea104a279 ("PCI: Workaround IDT switch ACS Source Validation erratum")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
drivers/pci/probe.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 1c581346c5b9..7a5323798312 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -2218,9 +2218,9 @@ bool pci_bus_generic_read_dev_vendor_id(struct pci_bus *bus, int devfn, u32 *l,
bool pci_bus_read_dev_vendor_id(struct pci_bus *bus, int devfn, u32 *l,
int timeout)
{
+#ifdef CONFIG_PCI_QUIRKS
struct pci_dev *bridge = bus->self;
-#ifdef CONFIG_PCI_QUIRKS
/*
* Certain IDT switches have an issue where they improperly trigger
* ACS Source Validation errors on completions for config reads.
--
2.18.0
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] PCI: fix unused variable warning
2018-07-24 9:39 [PATCH] PCI: fix unused variable warning Arnd Bergmann
@ 2018-07-24 11:31 ` Bjorn Helgaas
0 siblings, 0 replies; 2+ messages in thread
From: Bjorn Helgaas @ 2018-07-24 11:31 UTC (permalink / raw)
To: Arnd Bergmann
Cc: alex.williamson, james.puthukattukaran, Mika Westerberg,
linux-pci, Linux Kernel Mailing List, Anders Roxell
[+cc Anders]
On Tue, Jul 24, 2018 at 4:39 AM Arnd Bergmann <arnd@arndb.de> wrote:
>
> The newly introduced function produces a warning without CONFIG_PCI_QUIRKS:
>
> drivers/pci/probe.c: In function 'pci_bus_read_dev_vendor_id':
> drivers/pci/probe.c:2221:18: error: unused variable 'bridge' [-Werror=unused-variable]
>
> Move the variable declaration into that #ifdef to avoid the warning.
>
> Fixes: ac5ea104a279 ("PCI: Workaround IDT switch ACS Source Validation erratum")
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixed already with a patch from Anders Roxell
<anders.roxell@linaro.org>, thanks!
> ---
> drivers/pci/probe.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
> index 1c581346c5b9..7a5323798312 100644
> --- a/drivers/pci/probe.c
> +++ b/drivers/pci/probe.c
> @@ -2218,9 +2218,9 @@ bool pci_bus_generic_read_dev_vendor_id(struct pci_bus *bus, int devfn, u32 *l,
> bool pci_bus_read_dev_vendor_id(struct pci_bus *bus, int devfn, u32 *l,
> int timeout)
> {
> +#ifdef CONFIG_PCI_QUIRKS
> struct pci_dev *bridge = bus->self;
>
> -#ifdef CONFIG_PCI_QUIRKS
> /*
> * Certain IDT switches have an issue where they improperly trigger
> * ACS Source Validation errors on completions for config reads.
> --
> 2.18.0
>
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2018-07-24 11:32 UTC | newest]
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2018-07-24 9:39 [PATCH] PCI: fix unused variable warning Arnd Bergmann
2018-07-24 11:31 ` Bjorn Helgaas
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