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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-07-27 12:39:54 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-07-27 12:39:54 +0200 |
| commit | eea2c51f81df9df5123c042f07c7c6c33bf5fabb (patch) | |
| tree | 03fbe44c178809b9b5174b599528068ca91f35ce /include/linux/io-mapping.h | |
| parent | 280c7f95f858b103e62d84cae2d5ed9f5cf54d41 (diff) | |
| parent | 92ed301919932f777713b9172e525674157e983d (diff) | |
Merge 5.8-rc7 into driver-core-next
We want the driver core fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/io-mapping.h')
| -rw-r--r-- | include/linux/io-mapping.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/io-mapping.h b/include/linux/io-mapping.h index 0beaa3eba155..c75e4d3d8833 100644 --- a/include/linux/io-mapping.h +++ b/include/linux/io-mapping.h @@ -107,9 +107,12 @@ io_mapping_init_wc(struct io_mapping *iomap, resource_size_t base, unsigned long size) { + iomap->iomem = ioremap_wc(base, size); + if (!iomap->iomem) + return NULL; + iomap->base = base; iomap->size = size; - iomap->iomem = ioremap_wc(base, size); #if defined(pgprot_noncached_wc) /* archs can't agree on a name ... */ iomap->prot = pgprot_noncached_wc(PAGE_KERNEL); #elif defined(pgprot_writecombine) |