stmmac: unify MAC and PHY configuration parameters (V2)

Prior to this change, most PHY configuration parameters were passed
into the STMMAC device as a separate PHY device. As well as being
unusual, this made it difficult to make changes to the MAC/PHY
relationship.

This patch moves all the PHY parameters into the MAC configuration
structure, mainly as a separate structure. This allows us to completely
ignore the MDIO bus attached to a stmmac if desired, and not create
the PHY bus. It also allows the stmmac driver to use a different PHY
from the one it is connected to, for example a fixed PHY or bit banging
PHY.

Also derive the stmmac/PHY connection type (MII/RMII etc) from the
mode can be passed into <platf>_configure_ethernet.
STLinux kernel at git://git.stlinux.com/stm/linux-sh4-2.6.32.y.git
provides several examples how to use this new infrastructure (that
actually is easier to maintain and clearer).

Signed-off-by: Stuart Menefy <stuart.menefy@st.com>
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 12 insertions, 12 deletions

diff --git a/include/linux/stmmac.h b/include/linux/stmmac.h
index 05d775690b72..0dddc9e42b6b 100644
--- a/include/linux/stmmac.h
+++ b/include/linux/stmmac.h
@@ -28,11 +28,21 @@
 
 #include <linux/platform_device.h>
 
-/* platform data for platform device structure's platform_data field */
+/* Platfrom data for platform device structure's platform_data field */
+
+struct stmmac_mdio_bus_data {
+        int bus_id;
+        int (*phy_reset)(void *priv);
+        unsigned int phy_mask;
+        int *irqs;
+        int probed_phy_irq;
+};
 
-/* Private data for the STM on-board ethernet driver */
 struct plat_stmmacenet_data {
         int bus_id;
+        int phy_addr;
+        int interface;
+        struct stmmac_mdio_bus_data *mdio_bus_data;
         int pbl;
         int clk_csr;
         int has_gmac;
@@ -48,14 +58,4 @@ struct plat_stmmacenet_data {
         void *custom_cfg;
         void *bsp_priv;
 };
-
-struct plat_stmmacphy_data {
-        int bus_id;
-        int phy_addr;
-        unsigned int phy_mask;
-        int interface;
-        int (*phy_reset)(void *priv);
-        void *priv;
-};
 #endif
-