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path: root/drivers/usb/host/xhci.h
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Diffstat (limited to 'drivers/usb/host/xhci.h')
-rw-r--r--drivers/usb/host/xhci.h16
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 5a75fe563123..473a33ce299e 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -229,6 +229,9 @@ struct xhci_op_regs {
#define CMD_ETE (1 << 14)
/* bits 15:31 are reserved (and should be preserved on writes). */
+#define XHCI_RESET_LONG_USEC (10 * 1000 * 1000)
+#define XHCI_RESET_SHORT_USEC (250 * 1000)
+
/* IMAN - Interrupt Management Register */
#define IMAN_IE (1 << 1)
#define IMAN_IP (1 << 0)
@@ -1812,8 +1815,6 @@ struct xhci_hcd {
/* slot enabling and address device helpers */
/* these are not thread safe so use mutex */
struct mutex mutex;
- /* For USB 3.0 LPM enable/disable. */
- struct xhci_command *lpm_command;
/* Internal mirror of the HW's dcbaa */
struct xhci_virt_device *devs[MAX_HC_SLOTS];
/* For keeping track of bandwidth domains per roothub. */
@@ -2083,11 +2084,11 @@ void xhci_free_container_ctx(struct xhci_hcd *xhci,
/* xHCI host controller glue */
typedef void (*xhci_get_quirks_t)(struct device *, struct xhci_hcd *);
-int xhci_handshake(void __iomem *ptr, u32 mask, u32 done, int usec);
+int xhci_handshake(void __iomem *ptr, u32 mask, u32 done, u64 timeout_us);
void xhci_quiesce(struct xhci_hcd *xhci);
int xhci_halt(struct xhci_hcd *xhci);
int xhci_start(struct xhci_hcd *xhci);
-int xhci_reset(struct xhci_hcd *xhci);
+int xhci_reset(struct xhci_hcd *xhci, u64 timeout_us);
int xhci_run(struct usb_hcd *hcd);
int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks);
void xhci_shutdown(struct usb_hcd *hcd);
@@ -2467,6 +2468,8 @@ static inline const char *xhci_decode_ctrl_ctx(char *str,
unsigned int bit;
int ret = 0;
+ str[0] = '\0';
+
if (drop) {
ret = sprintf(str, "Drop:");
for_each_set_bit(bit, &drop, 32)
@@ -2624,8 +2627,11 @@ static inline const char *xhci_decode_usbsts(char *str, u32 usbsts)
{
int ret = 0;
+ ret = sprintf(str, " 0x%08x", usbsts);
+
if (usbsts == ~(u32)0)
- return " 0xffffffff";
+ return str;
+
if (usbsts & STS_HALT)
ret += sprintf(str + ret, " HCHalted");
if (usbsts & STS_FATAL)