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If the EHCI debug port is initialized and in use, the EHCI host controller driver must follow two rules. 1) If the EHCI host driver issues a controller reset, the debug controller driver re-initialization must get called after the reset is completed. 2) The EHCI host driver should ignore any requests to the physical EHCI debug port when the EHCI debug port is in use. The code to check for the debug port was moved from ehci_pci_reinit() to ehci_pci_setup because it must get called prior to ehci_reset() which will clear the debug port registers. Signed-off-by: Jason Wessel <jason.wessel@windriver.com> Cc: Alan Stern <stern@rowland.harvard.edu> Cc: dbrownell@users.sourceforge.net Cc: Ingo Molnar <mingo@elte.hu> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Yinghai Lu <yinghai@kernel.org> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> |
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| ehci-dbgp.c | ||
| Makefile | ||