Messages in this thread | | | Subject | Re: [PATCH] block: pmem: Add dependency on HAS_IOMEM | From | Ross Zwisler <> | Date | Mon, 04 May 2015 14:00:49 -0600 |
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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 ‘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> > --- > 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@linux.intel.com>
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