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| author | Richard Weinberger <richard@nod.at> | 2015-05-04 21:58:57 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2015-06-12 00:54:58 +0300 |
| commit | b6f2098fb708ce935a59763178c4e8cd942fcf88 (patch) | |
| tree | e1e469c27674971d8820a656a1b866b0c577e73f /drivers/block | |
| parent | 4d66e5e9b6d720d8463e11d027bd4ad91c8b1318 (diff) | |
| download | linux-b6f2098fb708ce935a59763178c4e8cd942fcf88.tar.xz | |
block: pmem: Add dependency on HAS_IOMEM
Not all architectures have io memory.
Fixes:
drivers/block/pmem.c: In function ‘pmem_alloc’:
drivers/block/pmem.c:146:2: error: implicit declaration of function ‘ioremap_nocache’ [-Werror=implicit-function-declaration]
pmem->virt_addr = ioremap_nocache(pmem->phys_addr, pmem->size);
^
drivers/block/pmem.c:146:18: warning: assignment makes pointer from integer without a cast [enabled by default]
pmem->virt_addr = ioremap_nocache(pmem->phys_addr, pmem->size);
^
drivers/block/pmem.c:182:2: error: implicit declaration of function ‘iounmap’ [-Werror=implicit-function-declaration]
iounmap(pmem->virt_addr);
^
Signed-off-by: Richard Weinberger <richard@nod.at>
Reviewed-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig index eb1fed5bd516..3ccef9eba6f9 100644 --- a/drivers/block/Kconfig +++ b/drivers/block/Kconfig @@ -406,6 +406,7 @@ config BLK_DEV_RAM_DAX config BLK_DEV_PMEM tristate "Persistent memory block device support" + depends on HAS_IOMEM help Saying Y here will allow you to use a contiguous range of reserved memory as one or more persistent block devices. |