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authorRichard Weinberger <richard@nod.at>2015-05-04 20:58:57 +0200
committerJens Axboe <axboe@fb.com>2015-06-11 15:54:58 -0600
commitb6f2098fb708ce935a59763178c4e8cd942fcf88 (patch)
treee1e469c27674971d8820a656a1b866b0c577e73f /drivers/block/Kconfig
parent4d66e5e9b6d720d8463e11d027bd4ad91c8b1318 (diff)
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/Kconfig')
-rw-r--r--drivers/block/Kconfig1
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.