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| author |   Thomas Zimmermann <tzimmermann@suse.de> | 2021-09-16 20:15:58 +0200 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2021-09-23 09:25:59 +0200 |
| commit | c822310725ee41af663de2448094155d442ff871 (patch) | |
| tree | f335ea75047366a1ad7d052e820da101466c71ad /include/linux/io.h | |
| parent | lib: devres: Add managed arch_phys_wc_add() (diff) | |
| download | linux-dev-c822310725ee41af663de2448094155d442ff871.tar.xz linux-dev-c822310725ee41af663de2448094155d442ff871.zip | |
lib: devres: Add managed arch_io_reserve_memtype_wc()
Add devm_arch_io_reserve_memtype_wc() as managed wrapper around
arch_io_reserve_memtype_wc(). Useful for several graphics drivers
that set framebuffer memory to write combining.
v2:
* fix typo in commit description
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210916181601.9146-3-tzimmermann@suse.de
Diffstat (limited to 'include/linux/io.h')
| -rw-r--r-- | include/linux/io.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/io.h b/include/linux/io.h index fcd8ea79c5df..5fc800390fe4 100644 --- a/include/linux/io.h +++ b/include/linux/io.h @@ -168,4 +168,7 @@ static inline void arch_io_free_memtype_wc(resource_size_t base, } #endif +int devm_arch_io_reserve_memtype_wc(struct device *dev, resource_size_t start, + resource_size_t size); + #endif /* _LINUX_IO_H */ |