diff options
| author | Zijun Hu <quic_zijuhu@quicinc.com> | 2024-09-18 22:48:14 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-10-14 08:21:09 +0200 |
| commit | 9bd133f05b1dca5ca4399a76d04d0f6f4d454e44 (patch) | |
| tree | fad9e87fb7644259a0a7cf413c5a485a75bbc12c /lib/devres.c | |
| parent | 0ee4dcafda9576910559f0471a3d6891daf9ab92 (diff) | |
lib: devres: Simplify API devm_ioport_unmap() implementation
Simplify devm_ioport_unmap() implementation by dedicated API
devres_release(), compared with current solution, namely
ioport_unmap() + devres_destroy(), devres_release() has below advantages:
- it is simpler if devm_ioport_unmap()'s parameter @addr was ever
returned by devm_ioport_map().
- it can avoid unnecessary ioport_unmap(@addr) if @addr was not
ever returned by devm_ioport_map().
Signed-off-by: Zijun Hu <quic_zijuhu@quicinc.com>
Link: https://lore.kernel.org/r/20240918-fix_lib_devres-v1-2-e696ab5486e6@quicinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'lib/devres.c')
| -rw-r--r-- | lib/devres.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/lib/devres.c b/lib/devres.c index 68ffcd5d9358..73901160197e 100644 --- a/lib/devres.c +++ b/lib/devres.c @@ -307,8 +307,7 @@ EXPORT_SYMBOL(devm_ioport_map); */ void devm_ioport_unmap(struct device *dev, void __iomem *addr) { - ioport_unmap(addr); - WARN_ON(devres_destroy(dev, devm_ioport_map_release, + WARN_ON(devres_release(dev, devm_ioport_map_release, devm_ioport_map_match, (__force void *)addr)); } EXPORT_SYMBOL(devm_ioport_unmap); |