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net: mvmdio: allow up to four clocks to be specified for orion-mdio

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commit 4aabed699c400810981d3dda170f05fa4d782905 upstream.

Allow up to four clocks to be specified and enabled for the orion-mdio
interface, which are required by the Armada 8k and defined in
armada-cp110.dtsi.

Fixes a hang in probing the mvmdio driver that was encountered on the
Clearfog GT 8K with all drivers built as modules, but also affects other
boards such as the MacchiatoBIN.

Cc: stable@vger.kernel.org
Fixes: 96cb43423822 ("net: mvmdio: allow up to three clocks to be specified for orion-mdio")
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Josua Mayer <josua@solid-run.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Josua Mayer 2019-07-09 15:00:59 +02:00 committed by Greg Kroah-Hartman
parent 9faabe06dc
commit 83365bf015
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/marvell/mvmdio.c
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@ -64,7 +64,7 @@
struct orion_mdio_dev {
void __iomem *regs;
struct clk *clk[3];
struct clk *clk[4];
/*
* If we have access to the error interrupt pin (which is
* somewhat misnamed as it not only reflects internal errors