This is a change for the EISA bus support to permit drivers to call
un/registration functions even if EISA support has not been enabled. This
is similar to what PCI (and now TC) does and reduces the need for #ifdef
clutter.
Signed-off-by: Maciej W. Rozycki <[email protected]>
---
This is required by the updated defxx driver.
Please apply.
Maciej
patch-mips-2.6.18-20060920-eisa-register-0
diff -up --recursive --new-file linux-mips-2.6.18-20060920.macro/include/linux/eisa.h linux-mips-2.6.18-20060920/include/linux/eisa.h
--- linux-mips-2.6.18-20060920.macro/include/linux/eisa.h 2003-10-10 04:00:31.000000000 +0000
+++ linux-mips-2.6.18-20060920/include/linux/eisa.h 2006-12-14 22:43:31.000000000 +0000
@@ -67,10 +67,20 @@ struct eisa_driver {
#define to_eisa_driver(drv) container_of(drv,struct eisa_driver, driver)
+/* These external functions are only available when EISA support is enabled. */
+#ifdef CONFIG_EISA
+
extern struct bus_type eisa_bus_type;
int eisa_driver_register (struct eisa_driver *edrv);
void eisa_driver_unregister (struct eisa_driver *edrv);
+#else /* !CONFIG_EISA */
+
+static inline int eisa_driver_register (struct eisa_driver *edrv) { return 0; }
+static inline void eisa_driver_unregister (struct eisa_driver *edrv) { }
+
+#endif /* !CONFIG_EISA */
+
/* Mimics pci.h... */
static inline void *eisa_get_drvdata (struct eisa_device *edev)
{
-
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