On Wed, 2015-04-29 at 12:29 +0300, Igal.Liberman wrote:
> From: Igal Liberman <igal.liber...@freescale.com>
>
> This patch adds the Ethernet MAC driver support.
>
> Signed-off-by: Igal Liberman <igal.liber...@freescale.com>
> ---
> drivers/net/ethernet/freescale/fman/inc/mac.h | 125 +++++
> drivers/net/ethernet/freescale/fman/mac/Makefile | 3 +-
> drivers/net/ethernet/freescale/fman/mac/mac-api.c | 605
> +++++++++++++++++++++
> drivers/net/ethernet/freescale/fman/mac/mac.c | 527 ++++++++++++++++++
> 4 files changed, 1259 insertions(+), 1 deletion(-)
> create mode 100644 drivers/net/ethernet/freescale/fman/inc/mac.h
> create mode 100644 drivers/net/ethernet/freescale/fman/mac/mac-api.c
> create mode 100644 drivers/net/ethernet/freescale/fman/mac/mac.c
>
> diff --git a/drivers/net/ethernet/freescale/fman/inc/mac.h
> b/drivers/net/ethernet/freescale/fman/inc/mac.h
> new file mode 100644
> index 0000000..2d27331
> --- /dev/null
> +++ b/drivers/net/ethernet/freescale/fman/inc/mac.h
.....
> + /* Get the rest of the PHY information */
> + mac_dev->phy_node = of_parse_phandle(mac_node, "phy-handle", 0);
> + if (!mac_dev->phy_node) {
> + int sz;
> + const u32 *phy_id = of_get_property(mac_node, "fixed-link",
> + &sz);
> + if (!phy_id || sz < sizeof(*phy_id)) {
> + dev_err(dev, "No PHY (or fixed link) found\n");
> + _errno = -EINVAL;
> + goto _return_dev_set_drvdata;
> + }
> +
> + sprintf(mac_dev->fixed_bus_id, PHY_ID_FMT, "fixed-0",
> + phy_id[0]);
> + }
The above for fixed PHY does not work for me, changing it to does:
diff --git a/drivers/net/ethernet/freescale/fman/mac/mac.c
b/drivers/net/ethernet/freescale/fman/mac/mac.c
index 4eb8f7c..a8be96a 100644
--- a/drivers/net/ethernet/freescale/fman/mac/mac.c
+++ b/drivers/net/ethernet/freescale/fman/mac/mac.c
@@ -42,6 +42,7 @@
#include <linux/module.h>
#include <linux/of_address.h>
#include <linux/of_platform.h>
+#include <linux/of_mdio.h>
#include <linux/of_net.h>
#include <linux/device.h>
#include <linux/phy.h>
@@ -399,7 +400,7 @@ static int __cold mac_probe(struct platform_device *_of_dev)
/* Get the rest of the PHY information */
mac_dev->phy_node = of_parse_phandle(mac_node, "phy-handle", 0);
- if (!mac_dev->phy_node) {
+ if (0 && !mac_dev->phy_node) {
int sz;
const u32 *phy_id = of_get_property(mac_node, "fixed-link",
&sz);
@@ -412,6 +413,16 @@ static int __cold mac_probe(struct platform_device
*_of_dev)
sprintf(mac_dev->fixed_bus_id, PHY_ID_FMT, "fixed-0",
phy_id[0]);
}
+ if (!mac_dev->phy_node && of_phy_is_fixed_link(mac_node)) {
+ /*
+ * In the case of a fixed PHY, the DT node associated
+ * to the PHY is the Ethernet MAC DT node.
+ */
+ _errno = of_phy_register_fixed_link(mac_node);
+ if (_errno)
+ return _errno;
+ mac_dev->phy_node = of_node_get(mac_node);
+ }--
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