This is a note to let you know that I've just added the patch titled
drivers: net: cpsw: don't ignore phy-mode if phy-handle is used
to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drivers-net-cpsw-don-t-ignore-phy-mode-if-phy-handle-is-used.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From ae092b5bded24d5dc7dae0e0aef4669c169ce874 Mon Sep 17 00:00:00 2001
From: David Rivshin <drivshin@xxxxxxxxxxx>
Date: Wed, 27 Apr 2016 21:38:26 -0400
Subject: drivers: net: cpsw: don't ignore phy-mode if phy-handle is used
From: David Rivshin <drivshin@xxxxxxxxxxx>
commit ae092b5bded24d5dc7dae0e0aef4669c169ce874 upstream.
The phy-mode emac property was only being processed in the phy_id
or fixed-link cases. However if phy-handle was specified instead,
an error message would complain about the lack of phy_id or
fixed-link, and then jump past the of_get_phy_mode(). This would
result in the PHY mode defaulting to MII, regardless of what the
devicetree specified.
Fixes: 9e42f715264f ("drivers: net: cpsw: add phy-handle parsing")
Signed-off-by: David Rivshin <drivshin@xxxxxxxxxxx>
Tested-by: Nicolas Chauvet <kwizart@xxxxxxxxx>
Tested-by: Andrew Goodbody <andrew.goodbody@xxxxxxxxxxxxxx>
Reviewed-by: Mugunthan V N <mugunthanvnm@xxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/ethernet/ti/cpsw.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -2060,7 +2060,11 @@ static int cpsw_probe_dt(struct cpsw_pla
slave_data->phy_node = of_parse_phandle(slave_node,
"phy-handle", 0);
parp = of_get_property(slave_node, "phy_id", &lenp);
- if (of_phy_is_fixed_link(slave_node)) {
+ if (slave_data->phy_node) {
+ dev_dbg(&pdev->dev,
+ "slave[%d] using phy-handle=\"%s\"\n",
+ i, slave_data->phy_node->full_name);
+ } else if (of_phy_is_fixed_link(slave_node)) {
struct device_node *phy_node;
struct phy_device *phy_dev;
@@ -2097,7 +2101,9 @@ static int cpsw_probe_dt(struct cpsw_pla
PHY_ID_FMT, mdio->name, phyid);
put_device(&mdio->dev);
} else {
- dev_err(&pdev->dev, "No slave[%d] phy_id or fixed-link property\n", i);
+ dev_err(&pdev->dev,
+ "No slave[%d] phy_id, phy-handle, or fixed-link property\n",
+ i);
goto no_phy_slave;
}
slave_data->phy_if = of_get_phy_mode(slave_node);
Patches currently in stable-queue which might be from drivshin@xxxxxxxxxxx are
queue-4.4/drivers-net-cpsw-don-t-ignore-phy-mode-if-phy-handle-is-used.patch
