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usbbus: make usb_initialized static

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This commit is contained in:
Philippe Teuwen
2013-03-02 12:43:15 +01:00
parent 1f0b0e5b81
commit ae571941c5
3 changed files with 3 additions and 8 deletions
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7
libnfc/buses/usbbus.c
View File

@@ -32,13 +32,12 @@
#define LOG_CATEGORY "libnfc.buses.usbbus"
#define LOG_GROUP NFC_LOG_GROUP_DRIVER
// Global flag to know if usb_init() has already been called or not
bool usb_initialized = false;
int usb_prepare(void)
{
if (usb_initialized)
static bool usb_initialized = false;
if (usb_initialized) {
return 0;
}
usb_init();
usb_initialized = true;

3
libnfc/buses/usbbus.h
View File

@@ -41,9 +41,6 @@
#include <stdbool.h>
#include <string.h>
// Global flag to know if usb_init() has already been called or not
extern bool usb_initialized;
int usb_prepare(void);
#endif // __NFC_BUS_USB_H__