diff options
Diffstat (limited to 'drivers/usb/early/ehci-dbgp.c')
| -rw-r--r-- | drivers/usb/early/ehci-dbgp.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/usb/early/ehci-dbgp.c b/drivers/usb/early/ehci-dbgp.c index ee0ebacf822..e426ad626d7 100644 --- a/drivers/usb/early/ehci-dbgp.c +++ b/drivers/usb/early/ehci-dbgp.c @@ -450,7 +450,7 @@ static int dbgp_ehci_startup(void) writel(FLAG_CF, &ehci_regs->configured_flag); /* Wait until the controller is no longer halted */ - loop = 10; + loop = 1000; do { status = readl(&ehci_regs->status); if (!(status & STS_HALT)) @@ -491,7 +491,7 @@ static int ehci_wait_for_port(int port); * Return -ENODEV for any general failure * Return -EIO if wait for port fails */ -int dbgp_external_startup(void) +static int _dbgp_external_startup(void) { int devnum; struct usb_debug_descriptor dbgp_desc; @@ -613,6 +613,11 @@ err: goto try_again; return -ENODEV; } + +int dbgp_external_startup(struct usb_hcd *hcd) +{ + return xen_dbgp_external_startup(hcd) ?: _dbgp_external_startup(); +} EXPORT_SYMBOL_GPL(dbgp_external_startup); static int ehci_reset_port(int port) @@ -804,7 +809,7 @@ try_next_port: dbgp_ehci_status("ehci skip - already configured"); } - ret = dbgp_external_startup(); + ret = _dbgp_external_startup(); if (ret == -EIO) goto next_debug_port; @@ -934,7 +939,7 @@ static void early_dbgp_write(struct console *con, const char *str, u32 n) ctrl = readl(&ehci_debug->control); if (!(ctrl & DBGP_ENABLED)) { dbgp_not_safe = 1; - dbgp_external_startup(); + _dbgp_external_startup(); } else { cmd |= CMD_RUN; writel(cmd, &ehci_regs->command); @@ -974,10 +979,14 @@ struct console early_dbgp_console = { .index = -1, }; -int dbgp_reset_prep(void) +int dbgp_reset_prep(struct usb_hcd *hcd) { + int ret = xen_dbgp_reset_prep(hcd); u32 ctrl; + if (ret) + return ret; + dbgp_not_safe = 1; if (!ehci_debug) return 0; |