From: Tatyana Nikolova <Tatyana.E.Nikolova@intel.com>
Date: Wed, 7 Dec 2011 22:24:06 +0000 (-0600)
Subject: RDMA/nes: Change MDIO bus clock to 2.5MHz
X-Git-Tag: v4.14-rc1~13044^2^4~2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=30b7e117af450850b0fe813e1ee0780934bdcad3;p=platform%2Fkernel%2Flinux-rpi.git

RDMA/nes: Change MDIO bus clock to 2.5MHz

Change the PHY clock divisor to make the MDIO clock 2.5MHz, instead of
3.5MHz (which is out of spec).

Signed-off-by: Tatyana Nikolova <Tatyana.E.Nikolova@intel.com>
Signed-off-by: Faisal Latif <Faisal.Latif@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
---

diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c
index 7c0ff19ce382..6ee570baa60a 100644
--- a/drivers/infiniband/hw/nes/nes_hw.c
+++ b/drivers/infiniband/hw/nes/nes_hw.c
@@ -1529,7 +1529,7 @@ int nes_init_phy(struct nes_device *nesdev)
 	} else {
 		/* setup 10G MDIO operation */
 		tx_config &= 0xFFFFFFE3;
-		tx_config |= 0x15;
+		tx_config |= 0x1D;
 	}
 	nes_write_indexed(nesdev, NES_IDX_MAC_TX_CONFIG, tx_config);