From: Ivan Mikhaylov <ivan@ru.ibm.com>
To: netdev@vger.kernel.org
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
devicetree@vger.kernel.org,
"David S. Miller" <davem@davemloft.net>,
Alistair Popple <alistair@popple.id.au>,
Rob Herring <robh+dt@kernel.org>,
Grant Likely <grant.likely@linaro.org>
Subject: [PATCH 1/2] emac: add missing support of 10mbit in emac/rgmii
Date: Mon, 26 May 2014 22:24:17 +0400 [thread overview]
Message-ID: <1401128657.24099.17.camel@localhost.localdomain> (raw)
In chips of emac/rgmii b'000' for 0/1 channel isn't suitable which
resulted in non working network interface in this mode.
Signed-off-by: Ivan Mikhaylov <ivan@ru.ibm.com>
---
drivers/net/ethernet/ibm/emac/rgmii.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/net/ethernet/ibm/emac/rgmii.c b/drivers/net/ethernet/ibm/emac/rgmii.c
index 4fb2f96..a01182c 100644
--- a/drivers/net/ethernet/ibm/emac/rgmii.c
+++ b/drivers/net/ethernet/ibm/emac/rgmii.c
@@ -45,6 +45,7 @@
/* RGMIIx_SSR */
#define RGMII_SSR_MASK(idx) (0x7 << ((idx) * 8))
+#define RGMII_SSR_10(idx) (0x1 << ((idx) * 8))
#define RGMII_SSR_100(idx) (0x2 << ((idx) * 8))
#define RGMII_SSR_1000(idx) (0x4 << ((idx) * 8))
@@ -139,6 +140,8 @@ void rgmii_set_speed(struct platform_device *ofdev, int input, int speed)
ssr |= RGMII_SSR_1000(input);
else if (speed == SPEED_100)
ssr |= RGMII_SSR_100(input);
+ else if (speed == SPEED_10)
+ ssr |= RGMII_SSR_10(input);
out_be32(&p->ssr, ssr);
--
1.9.3
next reply other threads:[~2014-05-26 18:24 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-26 18:24 Ivan Mikhaylov [this message]
2014-05-30 23:31 ` David Miller
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