Linus Torvalds
1701f68040
Revert "ppdev: use new parport device model" ...
This reverts commit e7223f18603374d235d8bb0398532323e5f318b9.
It causes problems when a ppdev tries to register before the parport
driver has been registered with the device model. That will trigger the
BUG_ON(!drv->bus->p);
at drivers/base/driver.c:153. The call chain is
kernel_init ->
kernel_init_freeable ->
do_one_initcall ->
ppdev_init ->
__parport_register_driver ->
driver_register *BOOM*
Reported-by: kernel test robot <fengguang.wu@intel.com>
Reported-by: Ross Zwisler <zwisler@gmail.com>
Reported-by: Petr Mladek <pmladek@suse.com>
Cc: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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1701f68040