On Thu, Apr 08, 2021 at 06:23:40PM +0000, Raphael Norwitz wrote: > Slot resets are bus resets with additional logic to prevent a device > from being removed during the reset. Currently slot and bus resets have > separate implementations in pci.c, complicating higher level logic. As > discussed on the mailing list, they should be combined into a generic > function which performs an SBR. This change adds a function, > pci_reset_bus_function(), which first attempts a slot reset and then > attempts a bus reset if -ENOTTY is returned, such that there is now a > single device agnostic function to perform an SBR. > > This new function is also needed to add SBR reset quirks and therefore > is exposed in pci.h. > > Link: https://lkml.org/lkml/2021/3/23/911 > > Suggested-by: Alex Williamson <alex.williamson@xxxxxxxxxx> > Signed-off-by: Amey Narkhede <ameynarkhede03@xxxxxxxxx> > Signed-off-by: Raphael Norwitz <raphael.norwitz@xxxxxxxxxxx> > --- > drivers/pci/pci.c | 19 +++++++++++-------- > include/linux/pci.h | 1 + > 2 files changed, 12 insertions(+), 8 deletions(-) > Thanks, Reviewed-by: Leon Romanovsky <leonro@xxxxxxxxxx>
