Re: [PATCH] block: pmem: Add dependency on HAS_IOMEM

From: Jens Axboe
Date: Thu Jun 11 2015 - 17:54:24 EST


On 06/11/2015 03:53 PM, Richard Weinberger wrote:
Am 31.05.2015 um 23:12 schrieb Richard Weinberger:
Am 04.05.2015 um 22:00 schrieb Ross Zwisler:
On Mon, 2015-05-04 at 20:58 +0200, Richard Weinberger wrote:
Not all architectures have io memory.

Fixes:
drivers/block/pmem.c: In function âpmem_allocâ:
drivers/block/pmem.c:146:2: error: implicit declaration of function âioremap_nocacheâ [-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 âiounmapâ [-Werror=implicit-function-declaration]
iounmap(pmem->virt_addr);
^

Signed-off-by: Richard Weinberger <richard@xxxxxx>
---
drivers/block/Kconfig | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig
index eb1fed5..3ccef9e 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.

Reviewed-by: Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx>

Ping?

Can someone please pickup this trivial patch?

I'll fold it in.

--
Jens Axboe

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