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Subject[PATCH -next 09/12] of: earlycon: Allow multiple OF_EARLYCON_DECLARE() with same name
Date
Since matching is performed only on the compatible string, allow
multiple declarations of OF_EARLYCON_DECLARE() with the same name.
For example,
OF_EARLYCON_DECLARE(omap8250, "ti,omap2-uart", early_omap8250_setup);
OF_EARLYCON_DECLARE(omap8250, "ti,omap3-uart", early_omap8250_setup);
OF_EARLYCON_DECLARE(omap8250, "ti,omap4-uart", early_omap8250_setup);

Generate a unique identifier for each declaration in the current
compilation unit.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
---
include/linux/serial_core.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index 675d36f..0a711a7 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -362,7 +362,7 @@ extern int of_setup_earlycon(const struct of_device_id *match,
#endif

#define OF_EARLYCON_DECLARE(_name, compat, fn) \
- static const struct of_device_id __of_table_##_name \
+ static const struct of_device_id __UNIQUE_ID(_name) \
EARLYCON_OF_TABLE_ATTR \
= { .name = __stringify(_name), \
.compatible = compat, \
--
2.3.1


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