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PCI: cpcihp: Declare cpci_debug in header file

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cpci_debug is declared as a global variable in cpci_hotplug_core.c and used
in cpci_hotplug_pci.c via an "extern".  Add an extern declaration in the
header file.

Resolves the following sparse warning:

  drivers/pci/hotplug/cpci_hotplug_core.c:47:5: warning: symbol 'cpci_debug' was not declared. Should it be static?

Link: https://lore.kernel.org/r/20210701184306.1492003-1-kw@linux.com
Signed-off-by: Krzysztof Wilczyński <kw@linux.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Krzysztof Wilczyński 2021-07-01 18:43:06 +00:00 committed by Bjorn Helgaas
parent a97396c6eb
commit 6d71cc4c91
2 changed files with 3 additions and 2 deletions
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3
drivers/pci/hotplug/cpci_hotplug.h
View File

@ -75,6 +75,9 @@ int cpci_hp_unregister_bus(struct pci_bus *bus);
int cpci_hp_start(void);
int cpci_hp_stop(void);
/* Global variables */
extern int cpci_debug;
/*
* Internal function prototypes, these functions should not be used by
* board/chassis drivers.

2
drivers/pci/hotplug/cpci_hotplug_pci.c
View File

@ -19,8 +19,6 @@
#define MY_NAME "cpci_hotplug"
extern int cpci_debug;
#define dbg(format, arg...) \
do { \
if (cpci_debug) \