Fix endianess conversion in usb_ohci.c

[karo-tx-uboot.git] / drivers / usb / usb_ohci.c

diff --git a/drivers/usb/usb_ohci.c b/drivers/usb/usb_ohci.c
index 5c201b3b453d11d5043dfb301f763885263ad424..fd60edbb3d446f32cf6bbc3d18d23b15fcca701e 100644 (file)
--- a/drivers/usb/usb_ohci.c
+++ b/drivers/usb/usb_ohci.c
@@ -53,6 +53,9 @@
 
 #if defined(CONFIG_PCI_OHCI)
 # include <pci.h>
+#if !defined(CONFIG_PCI_OHCI_DEVNO)
+#define CONFIG_PCI_OHCI_DEVNO  0
+#endif
 #endif
 
 #include <malloc.h>
@@ -86,11 +89,11 @@
  * e.g. PCI controllers need this
  */
 #ifdef CFG_OHCI_SWAP_REG_ACCESS
-# define readl(a) __swap_32(*((vu_long *)(a)))
-# define writel(a, b) (*((vu_long *)(b)) = __swap_32((vu_long)a))
+# define readl(a) __swap_32(*((volatile u32 *)(a)))
+# define writel(a, b) (*((volatile u32 *)(b)) = __swap_32((volatile u32)a))
 #else
-# define readl(a) (*((vu_long *)(a)))
-# define writel(a, b) (*((vu_long *)(b)) = ((vu_long)a))
+# define readl(a) (*((volatile u32 *)(a)))
+# define writel(a, b) (*((volatile u32 *)(b)) = ((volatile u32)a))
 #endif /* CFG_OHCI_SWAP_REG_ACCESS */
 
 #define min_t(type,x,y) ({ type __x = (x); type __y = (y); __x < __y ? __x: __y; })
@@ -138,28 +141,14 @@ int got_rhsc;
 /* device which was disconnected */
 struct usb_device *devgone;
 
-/*-------------------------------------------------------------------------*/
-
-/* AMD-756 (D2 rev) reports corrupt register contents in some cases.
- * The erratum (#4) description is incorrect.  AMD's workaround waits
- * till some bits (mostly reserved) are clear; ok for all revs.
- */
-#define OHCI_QUIRK_AMD756 0xabcd
-#define read_roothub(hc, register, mask) ({ \
-       u32 temp = readl (&hc->regs->roothub.register); \
-       if (hc->flags & OHCI_QUIRK_AMD756) \
-               while (temp & mask) \
-                       temp = readl (&hc->regs->roothub.register); \
-       temp; })
-
-static u32 roothub_a (struct ohci *hc)
-       { return read_roothub (hc, a, 0xfc0fe000); }
+static inline u32 roothub_a (struct ohci *hc)
+       { return readl (&hc->regs->roothub.a); }
 static inline u32 roothub_b (struct ohci *hc)
        { return readl (&hc->regs->roothub.b); }
 static inline u32 roothub_status (struct ohci *hc)
        { return readl (&hc->regs->roothub.status); }
-static u32 roothub_portstatus (struct ohci *hc, int i)
-       { return read_roothub (hc, portstatus [i], 0xffe0fce0); }
+static inline u32 roothub_portstatus (struct ohci *hc, int i)
+       { return readl (&hc->regs->roothub.portstatus[i]); }
 
 /* forward declaration */
 static int hc_interrupt (void);
@@ -1232,9 +1221,9 @@ pkt_print(NULL, dev, pipe, buffer, transfer_len, cmd, "SUB(rh)", usb_pipein(pipe
        }
 
        bmRType_bReq  = cmd->requesttype | (cmd->request << 8);
-       wValue        = cpu_to_le16 (cmd->value);
-       wIndex        = cpu_to_le16 (cmd->index);
-       wLength       = cpu_to_le16 (cmd->length);
+       wValue        = le16_to_cpu (cmd->value);
+       wIndex        = le16_to_cpu (cmd->index);
+       wLength       = le16_to_cpu (cmd->length);
 
        info("Root-Hub: adr: %2x cmd(%1x): %08x %04x %04x %04x",
                dev->devnum, 8, bmRType_bReq, wValue, wIndex, wLength);
@@ -1832,7 +1821,7 @@ int usb_lowlevel_init(void)
        gohci.sleeping = 0;
        gohci.irq = -1;
 #ifdef CONFIG_PCI_OHCI
-       pdev = pci_find_devices(ohci_pci_ids, 0);
+       pdev = pci_find_devices(ohci_pci_ids, CONFIG_PCI_OHCI_DEVNO);
 
        if (pdev != -1) {
                u16 vid, did;