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From: Robert Jarzmik <robert.jarzmik@free.fr>
To: Rob Herring <robh+dt@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Nicolas Pitre <nico@fluxnic.net>,
	Russell King - ARM Linux <linux@armlinux.org.uk>,
	Arnd Bergmann <arnd@arndb.de>
Cc: netdev@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Robert Jarzmik <robert.jarzmik@free.fr>
Subject: [PATCH 3/3] net: smsc911x: add u16 workaround for pxa platforms
Date: Mon,  3 Oct 2016 11:05:53 +0200	[thread overview]
Message-ID: <1475485553-18747-3-git-send-email-robert.jarzmik@free.fr> (raw)
In-Reply-To: <1475485553-18747-1-git-send-email-robert.jarzmik@free.fr>

Add a workaround for mainstone, idp and stargate2 boards, for u16 writes
which must be aligned on 32 bits addresses.

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
---
 Documentation/devicetree/bindings/net/smsc911x.txt | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/smsc911x.txt b/Documentation/devicetree/bindings/net/smsc911x.txt
index 3fed3c124411..224965b7453c 100644
--- a/Documentation/devicetree/bindings/net/smsc911x.txt
+++ b/Documentation/devicetree/bindings/net/smsc911x.txt
@@ -13,6 +13,8 @@ Optional properties:
 - reg-io-width : Specify the size (in bytes) of the IO accesses that
   should be performed on the device.  Valid value for SMSC LAN is
   2 or 4.  If it's omitted or invalid, the size would be 2.
+- reg-u16-align4 : Boolean, put in place the workaround the force all
+  		   u16 writes to be 32 bits aligned
 - smsc,irq-active-high : Indicates the IRQ polarity is active-high
 - smsc,irq-push-pull : Indicates the IRQ type is push-pull
 - smsc,force-internal-phy : Forces SMSC LAN controller to use
-- 
2.1.4

  parent reply	other threads:[~2016-10-03  9:06 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-03  9:05 [PATCH 1/3] net: smc91x: isolate u16 writes alignment workaround Robert Jarzmik
2016-10-03  9:05 ` [PATCH 2/3] net: smc91x: take into account half-word workaround Robert Jarzmik
2016-10-03  9:05 ` Robert Jarzmik [this message]
2016-10-03 15:21   ` [PATCH 3/3] net: smsc911x: add u16 workaround for pxa platforms Jeremy Linton
2016-10-03 16:14     ` Robert Jarzmik
2016-10-03 15:46   ` Mark Rutland
2016-10-03 16:09     ` Russell King - ARM Linux
2016-10-03 16:42       ` Mark Rutland
2016-10-09  1:28         ` Rob Herring
2016-10-03 16:11     ` Robert Jarzmik
2016-10-03 16:50       ` Mark Rutland
2016-10-03 19:12         ` Robert Jarzmik
2016-10-06  6:47           ` Robert Jarzmik
2016-10-09  1:28             ` Rob Herring

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