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USB: usbserial: provide ezusb functions for an external module. 

When building an external module, the ezusb_* functions are not defined
if we haven't loaded any built'in module that use them (whiteheat,
keyspan, ...).

This patch allow to build those functions even if we only have selected
the usbserial generic driver.

Signed-off-by: Paul Chavent <paul.chavent@fnac.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Paul Chavent 2008-01-12 15:23:17 +01:00 committed by Greg Kroah-Hartman
parent cd930c9314
commit 7bd4b20c87
2 changed files with 12 additions and 7 deletions
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15
drivers/usb/serial/Kconfig
View File

@ -43,6 +43,12 @@ config USB_SERIAL_CONSOLE
If unsure, say N.
config USB_EZUSB
bool "Functions for loading firmware on EZUSB chips"
depends on USB_SERIAL
help
Say Y here if you need EZUSB device support.
config USB_SERIAL_GENERIC
bool "USB Generic Serial Driver"
depends on USB_SERIAL
@ -105,6 +111,7 @@ config USB_SERIAL_CH341
config USB_SERIAL_WHITEHEAT
tristate "USB ConnectTech WhiteHEAT Serial Driver"
depends on USB_SERIAL
select USB_EZUSB
help
Say Y here if you want to use a ConnectTech WhiteHEAT 4 port
USB to serial converter device.
@ -296,6 +303,7 @@ config USB_SERIAL_IUU
config USB_SERIAL_KEYSPAN_PDA
tristate "USB Keyspan PDA Single Port Serial Driver"
depends on USB_SERIAL
select USB_EZUSB
help
Say Y here if you want to use a Keyspan PDA single port USB to
serial converter device. This driver makes use of firmware
@ -307,6 +315,7 @@ config USB_SERIAL_KEYSPAN_PDA
config USB_SERIAL_KEYSPAN
tristate "USB Keyspan USA-xxx Serial Driver"
depends on USB_SERIAL
select USB_EZUSB
---help---
Say Y here if you want to use Keyspan USB to serial converter
devices. This driver makes use of Keyspan's official firmware
@ -549,6 +558,7 @@ config USB_SERIAL_CYBERJACK
config USB_SERIAL_XIRCOM
tristate "USB Xircom / Entregra Single Port Serial Driver"
depends on USB_SERIAL
select USB_EZUSB
help
Say Y here if you want to use a Xircom or Entregra single port USB to
serial converter device. This driver makes use of firmware
@ -596,11 +606,6 @@ config USB_SERIAL_DEBUG
To compile this driver as a module, choose M here: the
module will be called usb-debug.
config USB_EZUSB
bool
depends on USB_SERIAL_KEYSPAN_PDA || USB_SERIAL_XIRCOM || USB_SERIAL_KEYSPAN || USB_SERIAL_WHITEHEAT
default y
endmenu

4
drivers/usb/serial/ezusb.c
View File

@ -53,6 +53,6 @@ int ezusb_set_reset (struct usb_serial *serial, unsigned char reset_bit)
}
EXPORT_SYMBOL(ezusb_writememory);
EXPORT_SYMBOL(ezusb_set_reset);
EXPORT_SYMBOL_GPL(ezusb_writememory);
EXPORT_SYMBOL_GPL(ezusb_set_reset);