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    USB: fix up EHCI startup synchronization · 1cb52658
    David Brownell 提交于
    A recent patch added software synchronization during EHCI startup,
    so ports aren't switched away from the companion controllers after
    resets have started.  This patch adds a short delay letting hardware
    finish that port switching before any new resets begin ... so both
    ends of that hardware race window are closed.
    Signed-off-by: NDavid Brownell <dbrownell@users.sourceforge.net>
    Cc: Dave Miller <davem@davemloft.net>
    Cc: Dely Sy <dely.l.sy@intel.com>
    Cc: stable <stable@kernel.org>
    Cc: Alan Stern <stern@rowland.harvard.edu>
    Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
    
    1cb52658
ehci-hcd.c 28.9 KB