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From: wenyou.yang@atmel.com (Wenyou Yang)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v7 04/14] spi/spi-atmel: call unmapping on transfers buffers
Date: Tue, 19 Mar 2013 15:44:22 +0800	[thread overview]
Message-ID: <1363679062-3797-1-git-send-email-wenyou.yang@atmel.com> (raw)
In-Reply-To: <1363678866-3567-1-git-send-email-wenyou.yang@atmel.com>

From: Nicolas Ferre <nicolas.ferre@atmel.com>

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: spi-devel-general at lists.sourceforge.net
Cc: linux-kernel at vger.kernel.org
[wenyou.yang at atmel.com: submit the patch]
Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
---
 drivers/spi/spi-atmel.c |    8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c
index f3e1cd8..e3af244 100644
--- a/drivers/spi/spi-atmel.c
+++ b/drivers/spi/spi-atmel.c
@@ -1049,6 +1049,7 @@ static int atmel_spi_remove(struct platform_device *pdev)
 	struct spi_master	*master = platform_get_drvdata(pdev);
 	struct atmel_spi	*as = spi_master_get_devdata(master);
 	struct spi_message	*msg;
+	struct spi_transfer	*xfer;
 
 	/* reset the hardware and block queue progress */
 	spin_lock_irq(&as->lock);
@@ -1060,9 +1061,10 @@ static int atmel_spi_remove(struct platform_device *pdev)
 
 	/* Terminate remaining queued transfers */
 	list_for_each_entry(msg, &as->queue, queue) {
-		/* REVISIT unmapping the dma is a NOP on ARM and AVR32
-		 * but we shouldn't depend on that...
-		 */
+		list_for_each_entry(xfer, &msg->transfers, transfer_list) {
+			if (!msg->is_dma_mapped)
+				atmel_spi_dma_unmap_xfer(master, xfer);
+		}
 		msg->status = -ESHUTDOWN;
 		msg->complete(msg->context);
 	}
-- 
1.7.9.5

  parent reply	other threads:[~2013-03-19  7:44 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-19  7:41 [PATCH v7 00/14] spi/spi-atmel: add dmaengine support for atmel spi controller and to test the device tree support Wenyou Yang
2013-03-19  7:42 ` [PATCH v7 01/14] spi/spi-atmel: detect the capabilities of SPI core by reading the VERSION register Wenyou Yang
2013-04-01 13:38   ` Mark Brown
2013-03-19  7:43 ` [PATCH v7 02/14] spi/spi-atmel: add support transfer on CS1, 2, 3, not only on CS0 Wenyou Yang
2013-04-01 13:41   ` Mark Brown
2013-03-19  7:43 ` [PATCH v7 03/14] spi/spi-atmel: add physical base address Wenyou Yang
2013-04-01 13:41   ` Mark Brown
2013-04-02  5:49     ` Yang, Wenyou
2013-04-02  6:17     ` Yang, Wenyou
2013-03-19  7:44 ` Wenyou Yang [this message]
2013-04-01 13:43   ` [PATCH v7 04/14] spi/spi-atmel: call unmapping on transfers buffers Mark Brown
2013-03-19  7:45 ` [PATCH v7 05/14] spi/spi-atmel: status information passed through controller data Wenyou Yang
2013-04-01 13:43   ` Mark Brown
2013-03-19  7:46 ` [PATCH v7 06/14] spi/spi-atmel: add flag to controller data for lock operations Wenyou Yang
2013-04-01 13:46   ` Mark Brown
2013-04-03  5:09     ` Yang, Wenyou
2013-03-19  7:46 ` [PATCH v7 07/14] spi/spi-atmel: add dmaengine support Wenyou Yang
2013-03-19  7:47 ` [PATCH v7 08/14] spi/spi-atmel: fix spi-atmel driver to adapt to slave_config changes Wenyou Yang
2013-04-01 13:51   ` Mark Brown
2013-04-02  5:45     ` Yang, Wenyou
2013-03-19  7:47 ` [PATCH v7 09/14] spi/spi-atmel: correct 16 bits transfers using PIO Wenyou Yang
2013-04-01 13:53   ` Mark Brown
2013-03-19  7:49 ` [PATCH v7 10/14] spi/spi-atmel: correct 16 bits transfers with DMA Wenyou Yang
2013-04-01 13:53   ` Mark Brown
2013-04-02  5:46     ` Yang, Wenyou
2013-03-19  7:49 ` [PATCH v7 11/14] ARM: at91: add clocks for spi dt entries Wenyou Yang
2013-03-19  7:50 ` [PATCH v7 12/14] ARM: dts: add spi nodes for atmel SoC Wenyou Yang
2013-03-19  7:51 ` [PATCH v7 13/14] ARM: dts: add spi nodes for the atmel boards Wenyou Yang
2013-03-19  7:52 ` [PATCH v7 14/14] ARM: dts: add pinctrl property for spi node for atmel SoC Wenyou Yang
2013-03-21  9:32 ` [PATCH v7 00/14] spi/spi-atmel: add dmaengine support for atmel spi controller and to test the device tree support Nicolas Ferre
2013-03-22  9:26   ` Nicolas Ferre

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