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Blackfin: bfin_serial.h: turn default port wrappers into stubs
Any consumer that needs to access the MMRs has to provide these helpers, so make the default into useless stubs. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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@ -184,7 +184,7 @@ struct bfin_uart_regs {
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#undef __BFP
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#ifndef port_membase
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# define port_membase(p) (((struct bfin_serial_port *)(p))->port.membase)
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# define port_membase(p) 0
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#endif
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#define UART_GET_CHAR(p) bfin_read16(port_membase(p) + OFFSET_RBR)
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@ -235,10 +235,10 @@ struct bfin_uart_regs {
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#define UART_SET_DLAB(p) do { UART_PUT_LCR(p, UART_GET_LCR(p) | DLAB); SSYNC(); } while (0)
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#ifndef put_lsr_cache
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# define put_lsr_cache(p, v) (((struct bfin_serial_port *)(p))->lsr = (v))
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# define put_lsr_cache(p, v)
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#endif
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#ifndef get_lsr_cache
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# define get_lsr_cache(p) (((struct bfin_serial_port *)(p))->lsr)
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# define get_lsr_cache(p) 0
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#endif
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/* The hardware clears the LSR bits upon read, so we need to cache
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