[POWERPC] 83xx: USB device tree cleanups

Remove device_type = "usb" for 83xx SoC USB controller

Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

9 files changed, 9 insertions, 23 deletions

diff --git a/Documentation/powerpc/booting-without-of.txt b/Documentation/powerpc/booting-without-of.txt
index 6d1d0856063e..e58fd31bee1a 100644
--- a/Documentation/powerpc/booting-without-of.txt
+++ b/Documentation/powerpc/booting-without-of.txt
@@ -1411,7 +1411,6 @@ platforms are moved over to use the flattened-device-tree model.
 
    Example multi port host USB controller device node :
         usb@22000 {
-                device_type = "usb";
                 compatible = "fsl-usb2-mph";
                 reg = <22000 1000>;
                 #address-cells = <1>;
@@ -1425,7 +1424,6 @@ platforms are moved over to use the flattened-device-tree model.
 
    Example dual role USB controller device node :
         usb@23000 {
-                device_type = "usb";
                 compatible = "fsl-usb2-dr";
                 reg = <23000 1000>;
                 #address-cells = <1>;
@@ -1589,7 +1587,6 @@ platforms are moved over to use the flattened-device-tree model.
    iii) USB (Universal Serial Bus Controller)
 
    Required properties:
-   - device_type : should be "usb".
    - compatible : could be "qe_udc" or "fhci-hcd".
    - mode : the could be "host" or "slave".
    - reg : Offset and length of the register set for the device
@@ -1603,7 +1600,6 @@ platforms are moved over to use the flattened-device-tree model.
 
    Example(slave):
         usb@6c0 {
-                device_type = "usb";
                 compatible = "qe_udc";
                 reg = <6c0 40>;
                 interrupts = <8b 0>;
diff --git a/arch/powerpc/boot/dts/mpc8313erdb.dts b/arch/powerpc/boot/dts/mpc8313erdb.dts
index c5b6665a8209..6e8c6066de50 100644
--- a/arch/powerpc/boot/dts/mpc8313erdb.dts
+++ b/arch/powerpc/boot/dts/mpc8313erdb.dts
@@ -92,7 +92,6 @@
 
                 /* phy type (ULPI, UTMI, UTMI_WIDE, SERIAL) */
                 usb@23000 {
-                        device_type = "usb";
                         compatible = "fsl-usb2-dr";
                         reg = <23000 1000>;
                         #address-cells = <1>;
diff --git a/arch/powerpc/boot/dts/mpc832x_mds.dts b/arch/powerpc/boot/dts/mpc832x_mds.dts
index 26ac467b10ea..5093ef304ff0 100644
--- a/arch/powerpc/boot/dts/mpc832x_mds.dts
+++ b/arch/powerpc/boot/dts/mpc832x_mds.dts
@@ -210,7 +210,6 @@
                 };
 
                 usb@6c0 {
-                        device_type = "usb";
                         compatible = "qe_udc";
                         reg = <6c0 40 8B00 100>;
                         interrupts = <b>;
diff --git a/arch/powerpc/boot/dts/mpc8349emitx.dts b/arch/powerpc/boot/dts/mpc8349emitx.dts
index e354f2634246..a4a9fafe217a 100644
--- a/arch/powerpc/boot/dts/mpc8349emitx.dts
+++ b/arch/powerpc/boot/dts/mpc8349emitx.dts
@@ -91,7 +91,6 @@
                 };
 
                 usb@22000 {
-                        device_type = "usb";
                         compatible = "fsl-usb2-mph";
                         reg = <22000 1000>;
                         #address-cells = <1>;
@@ -103,7 +102,6 @@
                 };
 
                 usb@23000 {
-                        device_type = "usb";
                         compatible = "fsl-usb2-dr";
                         reg = <23000 1000>;
                         #address-cells = <1>;
diff --git a/arch/powerpc/boot/dts/mpc8349emitxgp.dts b/arch/powerpc/boot/dts/mpc8349emitxgp.dts
index ebdf0b750086..a06ff92cf0b1 100644
--- a/arch/powerpc/boot/dts/mpc8349emitxgp.dts
+++ b/arch/powerpc/boot/dts/mpc8349emitxgp.dts
@@ -89,7 +89,6 @@
                 };
 
                 usb@23000 {
-                        device_type = "usb";
                         compatible = "fsl-usb2-dr";
                         reg = <23000 1000>;
                         #address-cells = <1>;
diff --git a/arch/powerpc/boot/dts/mpc834x_mds.dts b/arch/powerpc/boot/dts/mpc834x_mds.dts
index 0ba13ebcea68..4120e92fcecf 100644
--- a/arch/powerpc/boot/dts/mpc834x_mds.dts
+++ b/arch/powerpc/boot/dts/mpc834x_mds.dts
@@ -104,7 +104,6 @@
                 /* phy type (ULPI or SERIAL) are only types supportted for MPH */
                 /* port = 0 or 1 */
                 usb@22000 {
-                        device_type = "usb";
                         compatible = "fsl-usb2-mph";
                         reg = <22000 1000>;
                         #address-cells = <1>;
@@ -116,7 +115,6 @@
                 };
                 /* phy type (ULPI, UTMI, UTMI_WIDE, SERIAL) */
                 usb@23000 {
-                        device_type = "usb";
                         compatible = "fsl-usb2-dr";
                         reg = <23000 1000>;
                         #address-cells = <1>;
diff --git a/arch/powerpc/boot/dts/mpc836x_mds.dts b/arch/powerpc/boot/dts/mpc836x_mds.dts
index fd841b2fddd0..2181d2cdbff2 100644
--- a/arch/powerpc/boot/dts/mpc836x_mds.dts
+++ b/arch/powerpc/boot/dts/mpc836x_mds.dts
@@ -241,7 +241,6 @@
                 };
 
                 usb@6c0 {
-                        device_type = "usb";
                         compatible = "qe_udc";
                         reg = <6c0 40 8B00 100>;
                         interrupts = <b>;
diff --git a/arch/powerpc/platforms/83xx/usb.c b/arch/powerpc/platforms/83xx/usb.c
index b1de453a8851..6a454a4087c8 100644
--- a/arch/powerpc/platforms/83xx/usb.c
+++ b/arch/powerpc/platforms/83xx/usb.c
@@ -41,7 +41,7 @@ int mpc834x_usb_cfg(void)
         sicrl = in_be32(immap + MPC83XX_SICRL_OFFS) & ~MPC834X_SICRL_USB_MASK;
         sicrh = in_be32(immap + MPC83XX_SICRH_OFFS) & ~MPC834X_SICRH_USB_UTMI;
 
-        np = of_find_compatible_node(NULL, "usb", "fsl-usb2-dr");
+        np = of_find_compatible_node(NULL, NULL, "fsl-usb2-dr");
         if (np) {
                 sccr |= MPC83XX_SCCR_USB_DRCM_11;  /* 1:3 */
 
@@ -67,7 +67,7 @@ int mpc834x_usb_cfg(void)
                 port0_is_dr = 1;
                 of_node_put(np);
         }
-        np = of_find_compatible_node(NULL, "usb", "fsl-usb2-mph");
+        np = of_find_compatible_node(NULL, NULL, "fsl-usb2-mph");
         if (np) {
                 sccr |= MPC83XX_SCCR_USB_MPHCM_11; /* 1:3 */
 
@@ -111,7 +111,7 @@ int mpc831x_usb_cfg(void)
         const void *dr_mode;
 #endif
 
-        np = of_find_compatible_node(NULL, "usb", "fsl-usb2-dr");
+        np = of_find_compatible_node(NULL, NULL, "fsl-usb2-dr");
         if (!np)
                 return -ENODEV;
         prop = of_get_property(np, "phy_type", NULL);
@@ -188,7 +188,7 @@ int mpc837x_usb_cfg(void)
         const void *prop;
         int ret = 0;
 
-        np = of_find_compatible_node(NULL, "usb", "fsl-usb2-dr");
+        np = of_find_compatible_node(NULL, NULL, "fsl-usb2-dr");
         if (!np)
                 return -ENODEV;
         prop = of_get_property(np, "phy_type", NULL);
diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c
index 217bcc2e8f86..f5c240242cfd 100644
--- a/arch/powerpc/sysdev/fsl_soc.c
+++ b/arch/powerpc/sysdev/fsl_soc.c
@@ -531,14 +531,12 @@ static enum fsl_usb2_phy_modes determine_usb_phy(const char *phy_type)
 static int __init fsl_usb_of_init(void)
 {
         struct device_node *np;
-        unsigned int i;
+        unsigned int i = 0;
         struct platform_device *usb_dev_mph = NULL, *usb_dev_dr_host = NULL,
                 *usb_dev_dr_client = NULL;
         int ret;
 
-        for (np = NULL, i = 0;
-             (np = of_find_compatible_node(np, "usb", "fsl-usb2-mph")) != NULL;
-             i++) {
+        for_each_compatible_node(np, NULL, "fsl-usb2-mph") {
                 struct resource r[2];
                 struct fsl_usb2_platform_data usb_data;
                 const unsigned char *prop = NULL;
@@ -581,11 +579,10 @@ static int __init fsl_usb_of_init(void)
                                                     fsl_usb2_platform_data));
                 if (ret)
                         goto unreg_mph;
+                i++;
         }
 
-        for (np = NULL;
-             (np = of_find_compatible_node(np, "usb", "fsl-usb2-dr")) != NULL;
-             i++) {
+        for_each_compatible_node(np, NULL, "fsl-usb2-dr") {
                 struct resource r[2];
                 struct fsl_usb2_platform_data usb_data;
                 const unsigned char *prop = NULL;
@@ -657,6 +654,7 @@ static int __init fsl_usb_of_init(void)
                                                 fsl_usb2_platform_data))))
                                 goto unreg_dr;
                 }
+                i++;
         }
         return 0;