Re: [PATCH 01/10] ehci early_printk: split ehci debug driver fromearly_printk.c

[Yinghai Lu]

Jason Wessel wrote:
> Move the dbgp early printk driver in advance of refactoring and adding
> new code, so the changes to this code are tracked separately from the
> move of the code.
> 
> The drivers/usb/early directory will be the location of the current
> and future early usb code for driving usb devices prior initializing
> the standard interrupt driven USB drivers.
> 
> Signed-off-by: Jason Wessel <jason.wessel@xxxxxxxxxxxxx>
> Cc: Greg KH <gregkh@xxxxxxx>
> Cc: Ingo Molnar <mingo@xxxxxxx>
> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> Cc: Yinghai Lu <yinghai@xxxxxxxxxx>
> Cc: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
> ---
>  arch/x86/kernel/early_printk.c |  715 ---------------------------------------
>  drivers/usb/Makefile           |    1 +
>  drivers/usb/early/Makefile     |    5 +
>  drivers/usb/early/ehci-dbgp.c  |  723 ++++++++++++++++++++++++++++++++++++++++
>  include/linux/usb/ehci_def.h   |    6 +
>  5 files changed, 735 insertions(+), 715 deletions(-)
>  create mode 100644 drivers/usb/early/Makefile
>  create mode 100644 drivers/usb/early/ehci-dbgp.c

before this patch, we could use dbgp without compiling USB susbsystem in...

YH
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