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0607616d93
Calling sa1100_register_uart_fns() leaves the port structure
unused when CONFIG_SERIAL_SA1100 is disabled, and we get a
compiler warning about that:
arch/arm/mach-sa1100/badge4.c:317:31: warning: 'badge4_port_fns' defined but not used [-Wunused-variable]
static struct sa1100_port_fns badge4_port_fns __initdata = {
This turns the two empty macros into empty inline functions,
which has the same effect, but lets the compiler know that the
variables are intentionally unused.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
38 lines
835 B
C
38 lines
835 B
C
/*
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* Author: Nicolas Pitre
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*
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* Moved and changed lots, Russell King
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*
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* Low level machine dependent UART functions.
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*/
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#ifndef SA11X0_SERIAL_H
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#define SA11X0_SERIAL_H
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struct uart_port;
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struct uart_info;
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/*
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* This is a temporary structure for registering these
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* functions; it is intended to be discarded after boot.
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*/
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struct sa1100_port_fns {
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void (*set_mctrl)(struct uart_port *, u_int);
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u_int (*get_mctrl)(struct uart_port *);
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void (*pm)(struct uart_port *, u_int, u_int);
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int (*set_wake)(struct uart_port *, u_int);
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};
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#ifdef CONFIG_SERIAL_SA1100
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void sa1100_register_uart_fns(struct sa1100_port_fns *fns);
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void sa1100_register_uart(int idx, int port);
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#else
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static inline void sa1100_register_uart_fns(struct sa1100_port_fns *fns)
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{
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}
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static inline void sa1100_register_uart(int idx, int port)
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{
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}
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#endif
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#endif
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