linux-kernel - [PATCH 2/2] pch_uart: revert Kconfig for non-DMA mode

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Message-Id: <1296205202-3799-2-git-send-email-tomoya-linux@dsn.okisemi.com>
Date:	Fri, 28 Jan 2011 18:00:02 +0900
From:	Tomoya MORINAGA <tomoya-linux@....okisemi.com>
To:	Greg Kroah-Hartman <gregkh@...e.de>,
	Alan Cox <alan@...ux.intel.com>,
	Ben Dooks <ben-linux@...ff.org>,
	Mike Frysinger <vapier@...too.org>,
	Feng Tang <feng.tang@...el.com>, linux-kernel@...r.kernel.org
Cc:	qi.wang@...el.com, yong.y.wang@...el.com, joel.clark@...el.com,
	kok.howg.ewe@...el.com, toshiharu-linux@....okisemi.com,
	Tomoya MORINAGA <tomoya-linux@....okisemi.com>
Subject: [PATCH 2/2] 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@....okisemi.com>
---
 drivers/serial/Kconfig |    5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index 3d836f0..58847e9 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -1587,10 +1587,9 @@ 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.
-- 
1.6.2.5

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