[PATCH 4.19 269/271] net: mvmdio: allow up to four clocks to be specified for orion-mdio

From: Greg Kroah-Hartman
Date: Thu Jul 25 2019 - 14:03:01 EST

From: Josua Mayer <josua@xxxxxxxxxxxxx>

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

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@xxxxxxxxxxxxxxx
Fixes: 96cb43423822 ("net: mvmdio: allow up to three clocks to be specified for orion-mdio")
Reviewed-by: Andrew Lunn <andrew@xxxxxxx>
Signed-off-by: Josua Mayer <josua@xxxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

drivers/net/ethernet/marvell/mvmdio.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/ethernet/marvell/mvmdio.c
+++ b/drivers/net/ethernet/marvell/mvmdio.c
@@ -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