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Commit b6830f6d authored by Peter Hurley's avatar Peter Hurley Committed by Greg Kroah-Hartman
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serial: 8250: Split base port operations from universal driver 



Refactor base port operations into new file; 8250_port.c.

Legacy irq handling, RSA port support, port storage for universal
driver, driver definition, module parameters and linkage remain in
8250_core.c

The source file split and resulting modules is diagrammed below:

  8250_core.c ====>   8250_core.c __
              \                     \
               \                     +-- 8250.ko (alias 8250_core)
                \     8250_pnp.c  __/     (universal driver)
                 \
                  =>  8250_port.c __
                                    \
                                     +-- 8250_base.ko
                      8250_dma.c  __/     (port operations)

Signed-off-by: default avatarPeter Hurley <peter@hurleysoftware.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent e95044ba

drivers/tty/serial/8250/8250.h

+11 −0
Original line number Diff line number Diff line
@@ -211,3 +211,14 @@ static inline int ns16550a_goto_highspeed(struct uart_8250_port *up) 
	}

	return 1;

}



static inline int serial_index(struct uart_port *port)

{

	return port->minor - 64;

}



#if 0

#define DEBUG_INTR(fmt...)	printk(fmt)

#else

#define DEBUG_INTR(fmt...)	do { } while (0)

#endif

drivers/tty/serial/8250/8250_core.c

+199 −3061

File changed.

Preview size limit exceeded, changes collapsed.

drivers/tty/serial/8250/8250_port.c

0 → 100644
+2898 −0

File added.

Preview size limit exceeded, changes collapsed.

drivers/tty/serial/8250/Makefile

+3 −2
Original line number Diff line number Diff line
@@ -2,10 +2,11 @@ 
# Makefile for the 8250 serial device drivers.

#



obj-$(CONFIG_SERIAL_8250)		+= 8250.o

obj-$(CONFIG_SERIAL_8250)		+= 8250.o 8250_base.o

8250-y					:= 8250_core.o

8250-$(CONFIG_SERIAL_8250_PNP)		+= 8250_pnp.o

8250-$(CONFIG_SERIAL_8250_DMA)		+= 8250_dma.o

8250_base-y				:= 8250_port.o

8250_base-$(CONFIG_SERIAL_8250_DMA)	+= 8250_dma.o

obj-$(CONFIG_SERIAL_8250_GSC)		+= 8250_gsc.o

obj-$(CONFIG_SERIAL_8250_PCI)		+= 8250_pci.o

obj-$(CONFIG_SERIAL_8250_HP300)		+= 8250_hp300.o

include/linux/serial_8250.h

+5 −0
Original line number Diff line number Diff line
@@ -152,6 +152,11 @@ int serial8250_handle_irq(struct uart_port *port, unsigned int iir); 
unsigned char serial8250_rx_chars(struct uart_8250_port *up, unsigned char lsr);

void serial8250_tx_chars(struct uart_8250_port *up);

unsigned int serial8250_modem_status(struct uart_8250_port *up);

void serial8250_init_port(struct uart_8250_port *up);

void serial8250_set_defaults(struct uart_8250_port *up);

void serial8250_console_write(struct uart_8250_port *up, const char *s,

			      unsigned int count);

int serial8250_console_setup(struct uart_port *port, char *options, bool probe);



extern void serial8250_set_isa_configurator(void (*v)

					(int port, struct uart_port *up,