serial: pch_uart: revert Kconfig for non-DMA mode

PCH_DMA is not always enabled when a user uses PCH_UART.
Since overhead of DMA is not small, in case of low frequent
communication, without DMA is better.
Thus, "select PCH_DMA" and DMADEVICES are unnecessary

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index 86e2c99..aaedbad 100644 (file)
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -1588,10 +1588,9 @@ config SERIAL_IFX6X60
          Support for the IFX6x60 modem devices on Intel MID platforms.
 
 config SERIAL_PCH_UART
-       tristate "Intel EG20T PCH UART"
-       depends on PCI && DMADEVICES
+       tristate "Intel EG20T PCH UART/OKI SEMICONDUCTOR ML7213 IOH"
+       depends on PCI
        select SERIAL_CORE
-       select PCH_DMA
        help
          This driver is for PCH(Platform controller Hub) UART of Intel EG20T
          which is an IOH(Input/Output Hub) for x86 embedded processor.