Revert "tty: serial8250: add helpers for the DesignWare 8250"

This reverts commit 6b1a98d. It causes a build error that needs to be resolved differently. Cc: Alan Cox <alan@linux.intel.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Jamie Iles <jamie@jamieiles.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
git-mirror · Aug 24, 2011 · 9a23434 · 9a23434
1 parent 0b37004
commit 9a23434
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diff --git a/drivers/tty/serial/8250_dw.c b/drivers/tty/serial/8250_dw.c
diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
@@ -267,13 +267,6 @@ config SERIAL_8250_RM9K
 	  port hardware found on MIPS RM9122 and similar processors.
 	  If unsure, say N.
 
-config SERIAL_8250_DW
-	bool "Support for Synopsys DesignWare 8250 quirks"
-	depends on SERIAL_8250
-	help
-	  Selecting this option will enable handling of the extra features
-	  present in the Synopsys DesignWare APB UART.
-
 comment "Non-8250 serial port support"
 
 config SERIAL_AMBA_PL010

diff --git a/drivers/tty/serial/Makefile b/drivers/tty/serial/Makefile
@@ -28,7 +28,6 @@ obj-$(CONFIG_SERIAL_8250_BOCA) += 8250_boca.o
 obj-$(CONFIG_SERIAL_8250_EXAR_ST16C554) += 8250_exar_st16c554.o
 obj-$(CONFIG_SERIAL_8250_HUB6) += 8250_hub6.o
 obj-$(CONFIG_SERIAL_8250_MCA) += 8250_mca.o
-obj-$(CONFIG_SERIAL_8250_DW) += 8250_dw.o
 obj-$(CONFIG_SERIAL_AMBA_PL010) += amba-pl010.o
 obj-$(CONFIG_SERIAL_AMBA_PL011) += amba-pl011.o
 obj-$(CONFIG_SERIAL_CLPS711X) += clps711x.o

diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h
@@ -86,13 +86,5 @@ int serial8250_handle_irq(struct uart_port *port, unsigned int iir);
 extern void serial8250_set_isa_configurator(void (*v)
 					(int port, struct uart_port *up,
 						unsigned short *capabilities));
-#ifndef SERIAL_8250_DW
-extern int serial8250_use_designware_io(struct uart_port *up);
-#else
-static inline int serial8250_use_designware_io(struct uart_port *up)
-{
-	return -EIO;
-}
-#endif
 
 #endif