On Wed, 7 Apr 2021 12:09:22 +0000 Max Gurtovoy <mgurtovoy@xxxxxxxxxx> wrote: > The reset device operation, usually is an operation that might fail from > various reasons. For example, the controller might be in a bad state and > can't answer to any request. Usually, the paravirt SW based virtio > devices always succeed in reset operation but this is not the case for > HW based virtio devices. > > This commit is also a preparation for adding a timeout mechanism for > resetting virtio devices. > > Signed-off-by: Max Gurtovoy <mgurtovoy@xxxxxxxxxx> > --- > drivers/remoteproc/remoteproc_virtio.c | 3 ++- > drivers/virtio/virtio.c | 22 +++++++++++++++------- > drivers/virtio/virtio_mmio.c | 3 ++- > drivers/virtio/virtio_pci_legacy.c | 3 ++- > drivers/virtio/virtio_pci_modern.c | 3 ++- > drivers/virtio/virtio_vdpa.c | 3 ++- > include/linux/virtio_config.h | 5 +++-- > 7 files changed, 28 insertions(+), 14 deletions(-) You missed drivers/s390/virtio/virtio_ccw.c. virtio_ccw_reset() should probably return -ENOMEM on allocation failure and forward the return code of ccw_io_helper().
