USB: ehci-dbgp: errata for EHCI debug controller initialization

[mirror_ubuntu-artful-kernel.git] / include / linux / usb / ehci_def.h

diff --git a/include/linux/usb/ehci_def.h b/include/linux/usb/ehci_def.h
index 4c4b701ff265a03ec1f3be27a9cfd65aa7736737..af4b86f3aca374febf7b97542feb8ac8868e4f7a 100644 (file)
--- a/include/linux/usb/ehci_def.h
+++ b/include/linux/usb/ehci_def.h
@@ -105,6 +105,7 @@ struct ehci_regs {
 #define PORT_WKDISC_E  (1<<21)         /* wake on disconnect (enable) */
 #define PORT_WKCONN_E  (1<<20)         /* wake on connect (enable) */
 /* 19:16 for port testing */
+#define PORT_TEST_PKT  (0x4<<16)       /* Port Test Control - packet test */
 #define PORT_LED_OFF   (0<<14)
 #define PORT_LED_AMBER (1<<14)
 #define PORT_LED_GREEN (2<<14)
@@ -170,4 +171,25 @@ struct ehci_dbg_port {
 #define DBGP_EPADDR(dev, ep)   (((dev)<<8)|(ep))
 } __attribute__ ((packed));
 
+#ifdef CONFIG_EARLY_PRINTK_DBGP
+#include <linux/init.h>
+extern int __init early_dbgp_init(char *s);
+extern struct console early_dbgp_console;
+#endif /* CONFIG_EARLY_PRINTK_DBGP */
+
+#ifdef CONFIG_EARLY_PRINTK_DBGP
+/* Call backs from ehci host driver to ehci debug driver */
+extern int dbgp_external_startup(void);
+extern int dbgp_reset_prep(void);
+#else
+static inline int dbgp_reset_prep(void)
+{
+       return 1;
+}
+static inline int dbgp_external_startup(void)
+{
+       return -1;
+}
+#endif
+
 #endif /* __LINUX_USB_EHCI_DEF_H */