[PATCH v3 16/24] dmaengine: edma: Use the edma_write_slot instead open coded memcpy_toio

Path	csiph.com!eternal-september.org!feeder.eternal-september.org!aioe.org!bofh.it!news.nic.it!robomod
From	Peter Ujfalusi <peter.ujfalusi@ti.com>
Newsgroups	linux.kernel
Subject	[PATCH v3 16/24] dmaengine: edma: Use the edma_write_slot instead open coded memcpy_toio
Date	Tue, 22 Sep 2015 12:00:01 +0200
Message-ID	<qbswF-1Ms-1@gated-at.bofh.it> (permalink)
References	<qbswF-1Ms-3@gated-at.bofh.it>
X-Original-To	<vinod.koul@intel.com>, <nsekhar@ti.com>, <linux@arm.linux.org.uk>
X-Mailer	git-send-email 2.5.2
MIME-Version	1.0
Content-Type	text/plain
Sender	robomod@news.nic.it
List-ID	<linux-kernel.vger.kernel.org>
X-Mailing-List	linux-kernel@vger.kernel.org
Approved	robomod@news.nic.it
Lines	29
Organization	linux.* mail to news gateway
X-Original-Cc	<olof@lixom.net>, <arnd@arndb.de>, <linux-arm-kernel@lists.infradead.org>, <linux-kernel@vger.kernel.org>, <linux-omap@vger.kernel.org>, <dmaengine@vger.kernel.org>
X-Original-Date	Tue, 22 Sep 2015 12:54:27 +0300
X-Original-Message-ID	<1442915675-7121-17-git-send-email-peter.ujfalusi@ti.com>
X-Original-References	<1442915675-7121-1-git-send-email-peter.ujfalusi@ti.com>
X-Original-Sender	linux-kernel-owner@vger.kernel.org
Xref	csiph.com linux.kernel:1230011

Show key headers only | View raw

edma_write_slot() is for writing an entire paRAM slot.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
---
 drivers/dma/edma.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c
index fe8cde21b497..d759abc80bef 100644
--- a/drivers/dma/edma.c
+++ b/drivers/dma/edma.c
@@ -949,8 +949,7 @@ static void edma_free_channel(struct edma_cc *ecc, unsigned channel)
 	edma_setup_interrupt(ecc, channel, NULL, NULL);
 	/* REVISIT should probably take out of shadow region 0 */
 
-	memcpy_toio(ecc->base + PARM_OFFSET(channel), &dummy_paramset,
-		    PARM_SIZE);
+	edma_write_slot(ecc, channel, &dummy_paramset);
 	clear_bit(channel, ecc->edma_inuse);
 }
 
-- 
2.5.2

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Back to linux.kernel | Previous | Next | Find similar | Unroll thread

Thread

[PATCH v3 16/24] dmaengine: edma: Use the edma_write_slot instead open coded memcpy_toio Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-09-22 12:00 +0200

csiph-web