Re: [PATCH 07/21] nd: dimm devices (nfit "memory-devices")

[Dan Williams]

On Sat, Apr 18, 2015 at 1:06 AM, Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
> On Fri, Apr 17, 2015 at 09:35:52PM -0400, Dan Williams wrote:
>> Register the dimms described in the nfit as devices on a nd_bus, named
>> "dimmN" where N is a global ida index.  The dimm numbering per-bus may
>> appear contiguous, since we only allow a single nd_bus to be registered
>> at at a time.  However, eventually, dimm-hotplug invalidates this
>> property and dimms should be addressed via NFIT-handle.
>>
>> Cc: Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx>
>> Cc: Neil Brown <neilb@xxxxxxx>
>> Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx>
>> ---
>>  drivers/block/nd/Makefile     |    1
>>  drivers/block/nd/bus.c        |   62 +++++++++-
>>  drivers/block/nd/core.c       |   55 +++++++++
>>  drivers/block/nd/dimm_devs.c  |  243 +++++++++++++++++++++++++++++++++++++++++
>>  drivers/block/nd/nd-private.h |   19 +++
>>  5 files changed, 373 insertions(+), 7 deletions(-)
>>  create mode 100644 drivers/block/nd/dimm_devs.c
>>
>> diff --git a/drivers/block/nd/Makefile b/drivers/block/nd/Makefile
>> index 7772fb599809..6b34dd4d4df8 100644
>> --- a/drivers/block/nd/Makefile
>> +++ b/drivers/block/nd/Makefile
>> @@ -21,3 +21,4 @@ nd_acpi-y := acpi.o
>>
>>  nd-y := core.o
>>  nd-y += bus.o
>> +nd-y += dimm_devs.o
>> diff --git a/drivers/block/nd/bus.c b/drivers/block/nd/bus.c
>> index c27db50511f2..e24db67001d0 100644
>> --- a/drivers/block/nd/bus.c
>> +++ b/drivers/block/nd/bus.c
>> @@ -13,18 +13,59 @@
>>  #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
>>  #include <linux/uaccess.h>
>>  #include <linux/fcntl.h>
>> +#include <linux/async.h>
>>  #include <linux/slab.h>
>>  #include <linux/fs.h>
>>  #include <linux/io.h>
>>  #include "nd-private.h"
>>  #include "nfit.h"
>>
>> -static int nd_major;
>> +static int nd_bus_major;
>
> Call it nd_bus_major in the previous patch, and avoid the unneeded churn
> in this patch.

Ok, will do when re-flowing this series for merging.
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