From: Valentine Barshak <valentine.barshak@cogentembedded.com>
To: linux-sh@vger.kernel.org
Subject: [PATCH RFC 2/2] ARM: shmobile: lager: Increase the size of ARM corehent DMA pool
Date: Tue, 28 Jan 2014 18:53:33 +0000 [thread overview]
Message-ID: <1390935213-12896-3-git-send-email-valentine.barshak@cogentembedded.com> (raw)
This increases the size of ARM coherent DMA pool to 4MB to
avoid issues with DMA bounce for PCI DMA transfers.
Signed-off-by: Valentine Barshak <valentine.barshak@cogentembedded.com>
---
arch/arm/boot/dts/r8a7790-lager.dts | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/r8a7790-lager.dts b/arch/arm/boot/dts/r8a7790-lager.dts
index 1081c5e..b2cac57 100644
--- a/arch/arm/boot/dts/r8a7790-lager.dts
+++ b/arch/arm/boot/dts/r8a7790-lager.dts
@@ -17,7 +17,7 @@
compatible = "renesas,lager", "renesas,r8a7790";
chosen {
- bootargs = "console=ttySC6,115200 ignore_loglevel rw root=/dev/nfs ip=dhcp";
+ bootargs = "console=ttySC6,115200 ignore_loglevel rw root=/dev/nfs ip=dhcp coherent_pool=4M";
};
memory@40000000 {
--
1.8.3.1
next reply other threads:[~2014-01-28 18:53 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-28 18:53 Valentine Barshak [this message]
2014-01-29 9:07 ` [PATCH RFC 2/2] ARM: shmobile: lager: Increase the size of ARM corehent DMA pool Ben Dooks
2014-01-29 9:52 ` Valentine
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