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Message-Id: <1414436240-13879-41-git-send-email-kamal@canonical.com>
Date: Mon, 27 Oct 2014 11:56:15 -0700
From: Kamal Mostafa <kamal@...onical.com>
To: linux-kernel@...r.kernel.org, stable@...r.kernel.org,
kernel-team@...ts.ubuntu.com
Cc: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Mark Brown <broonie@...nel.org>,
Kamal Mostafa <kamal@...onical.com>
Subject: [PATCH 3.13 040/105] spi: dw-mid: terminate ongoing transfers at exit
3.13.11.10 -stable review patch. If anyone has any objections, please let me know.
------------------
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
commit 8e45ef682cb31fda62ed4eeede5d9745a0a1b1e2 upstream.
Do full clean up at exit, means terminate all ongoing DMA transfers.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Signed-off-by: Mark Brown <broonie@...nel.org>
Signed-off-by: Kamal Mostafa <kamal@...onical.com>
---
drivers/spi/spi-dw-mid.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/spi/spi-dw-mid.c b/drivers/spi/spi-dw-mid.c
index 48c170c..c8b5bbe 100644
--- a/drivers/spi/spi-dw-mid.c
+++ b/drivers/spi/spi-dw-mid.c
@@ -89,7 +89,10 @@ err_exit:
static void mid_spi_dma_exit(struct dw_spi *dws)
{
+ dmaengine_terminate_all(dws->txchan);
dma_release_channel(dws->txchan);
+
+ dmaengine_terminate_all(dws->rxchan);
dma_release_channel(dws->rxchan);
}
--
1.9.1
--
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