PCI: dwc: Don't assume the ops in dw_pcie always exist

Browse source

Some dwc-based device drivers, especially host-only drivers, may work well
with the default read_dbi/write_dbi/link_up implementations in
pcie-designware.c, so remove the assumption that every driver implements
them to simplify those drivers.

Link: https://lore.kernel.org/r/20210128144258.10329aa4@xhacker.debian
Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

...

This commit is contained in:

Jisheng Zhang 2021-01-28 14:42:58 +08:00 • committed by Bjorn Helgaas

parent 5b4cf0f653

commit a2f882d844

3 changed files with 11 additions and 13 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

8

drivers/pci/controller/dwc/pcie-designware-ep.c

View file

2

drivers/pci/controller/dwc/pcie-designware-host.c

View file

14

drivers/pci/controller/dwc/pcie-designware.c

View file