linux-kernel - [PATCH 3/6] mmc: atmel-mci: remove the need for CONFIG_MMC_ATMELMCI

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Date:	Thu, 15 Mar 2012 16:57:19 +0100
From:	Nicolas Ferre <nicolas.ferre@...el.com>
To:	linux-arm-kernel@...ts.infradead.org, plagnioj@...osoft.com
Cc:	linux-kernel@...r.kernel.org, ludovic.desroches@...el.com,
	dmitry.torokhov@...il.com, mpm@...enic.com,
	herbert@...dor.hengli.com.au, vinod.koul@...el.com,
	a.zummo@...ertech.it, Nicolas Ferre <nicolas.ferre@...el.com>
Subject: [PATCH 3/6] mmc: atmel-mci: remove the need for CONFIG_MMC_ATMELMCI_DMA

This Kconfig option is not needed anymore, so remove it.

Signed-off-by: Nicolas Ferre <nicolas.ferre@...el.com>
---
 drivers/mmc/host/Kconfig     |   10 ----------
 drivers/mmc/host/atmel-mci.c |    2 --
 2 files changed, 0 insertions(+), 12 deletions(-)

diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
index 455a414..a6fc44a 100644
--- a/drivers/mmc/host/Kconfig
+++ b/drivers/mmc/host/Kconfig
@@ -288,16 +288,6 @@ config MMC_ATMELMCI
 
 	  If unsure, say N.
 
-config MMC_ATMELMCI_DMA
-	bool "Atmel MCI DMA support"
-	depends on MMC_ATMELMCI && (AVR32 || ARCH_AT91SAM9G45) && DMA_ENGINE
-	help
-	  Say Y here to have the Atmel MCI driver use a DMA engine to
-	  do data transfers and thus increase the throughput and
-	  reduce the CPU utilization.
-
-	  If unsure, say N.
-
 config MMC_IMX
 	tristate "Motorola i.MX Multimedia Card Interface support"
 	depends on ARCH_MX1
diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
index e4449a5..b5693fd 100644
--- a/drivers/mmc/host/atmel-mci.c
+++ b/drivers/mmc/host/atmel-mci.c
@@ -2164,10 +2164,8 @@ static int __exit atmci_remove(struct platform_device *pdev)
 	atmci_readl(host, ATMCI_SR);
 	clk_disable(host->mck);
 
-#ifdef CONFIG_MMC_ATMELMCI_DMA
 	if (host->dma.chan)
 		dma_release_channel(host->dma.chan);
-#endif
 
 	free_irq(platform_get_irq(pdev, 0), host);
 	iounmap(host->regs);
-- 
1.7.9

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