linux-kernel - Re: [PATCH] block: pmem: Add dependency on HAS

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Message-ID: <557A0346.2000003@nod.at>
Date:	Thu, 11 Jun 2015 23:53:10 +0200
From:	Richard Weinberger <richard@....at>
To:	Ross Zwisler <ross.zwisler@...ux.intel.com>
CC:	axboe@...nel.dk, dan.j.williams@...el.com, mingo@...nel.org,
	willy@...ux.intel.com, linux-kernel@...r.kernel.org,
	Jens Axboe <axboe@...com>,
	Christoph Hellwig <hch@...radead.org>,
	Borislav Petkov <bp@...e.de>, toshi.kani@...com
Subject: Re: [PATCH] block: pmem: Add dependency on HAS_IOMEM

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 ‘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@....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@...ux.intel.com>
> 
> Ping?

Can someone please pickup this trivial patch?

Thanks,
//richard
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