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lib: devres: Add managed arch_io_reserve_memtype_wc()

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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
This commit is contained in:
Thomas Zimmermann
2021-09-16 20:15:58 +02:00
parent 3229b906fb
commit c822310725
2 changed files with 49 additions and 0 deletions
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3
include/linux/io.h
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@@ -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 */