Merge branch 'master' of git://git.kernel.org/pub/scm/fs/xfs/xfs

[pandora-kernel.git] / arch / powerpc / platforms / 83xx / usb.c

diff --git a/arch/powerpc/platforms/83xx/usb.c b/arch/powerpc/platforms/83xx/usb.c
index 64bcf0a..11e1fac 100644 (file)
--- a/arch/powerpc/platforms/83xx/usb.c
+++ b/arch/powerpc/platforms/83xx/usb.c
@@ -14,6 +14,7 @@
 #include <linux/stddef.h>
 #include <linux/kernel.h>
 #include <linux/errno.h>
+#include <linux/of.h>
 
 #include <asm/io.h>
 #include <asm/prom.h>
@@ -137,15 +138,21 @@ int mpc831x_usb_cfg(void)
 
        /* Configure pin mux for ULPI.  There is no pin mux for UTMI */
        if (prop && !strcmp(prop, "ulpi")) {
-               temp = in_be32(immap + MPC83XX_SICRL_OFFS);
-               temp &= ~MPC831X_SICRL_USB_MASK;
-               temp |= MPC831X_SICRL_USB_ULPI;
-               out_be32(immap + MPC83XX_SICRL_OFFS, temp);
-
-               temp = in_be32(immap + MPC83XX_SICRH_OFFS);
-               temp &= ~MPC831X_SICRH_USB_MASK;
-               temp |= MPC831X_SICRH_USB_ULPI;
-               out_be32(immap + MPC83XX_SICRH_OFFS, temp);
+               if (of_device_is_compatible(immr_node, "fsl,mpc8315-immr")) {
+                       clrsetbits_be32(immap + MPC83XX_SICRL_OFFS,
+                                       MPC8315_SICRL_USB_MASK,
+                                       MPC8315_SICRL_USB_ULPI);
+                       clrsetbits_be32(immap + MPC83XX_SICRH_OFFS,
+                                       MPC8315_SICRH_USB_MASK,
+                                       MPC8315_SICRH_USB_ULPI);
+               } else {
+                       clrsetbits_be32(immap + MPC83XX_SICRL_OFFS,
+                                       MPC831X_SICRL_USB_MASK,
+                                       MPC831X_SICRL_USB_ULPI);
+                       clrsetbits_be32(immap + MPC83XX_SICRH_OFFS,
+                                       MPC831X_SICRH_USB_MASK,
+                                       MPC831X_SICRH_USB_ULPI);
+               }
        }
 
        iounmap(immap);
@@ -204,7 +211,7 @@ int mpc837x_usb_cfg(void)
        int ret = 0;
 
        np = of_find_compatible_node(NULL, NULL, "fsl-usb2-dr");
-       if (!np)
+       if (!np || !of_device_is_available(np))
                return -ENODEV;
        prop = of_get_property(np, "phy_type", NULL);