leandrof/u-boot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

USB: remove a cpu bug workaround for an unsupported architecture.

Browse Source 
Signed-off-by: Markus Klotzbuecher <mk@denx.de>
This commit is contained in:
Markus Klotzbücher 2008-04-23 10:57:33 +02:00 committed by Wolfgang Denk
parent f957576cb5
commit 83fe323343
1 changed files with 4 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
drivers/usb/usb_ohci.c
View File

@ -138,28 +138,14 @@ 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);